commit 0c926a684d81fab1c262751fa57c4ffe1a61269d
author Kevin Moore <kevmoo@google.com> Fri Feb 05 11:30:57 2021 -0800
committer Kevin Moore <kevmoo@google.com> Fri Feb 05 11:30:57 2021 -0800
tree 2fad3600bb2a53407dd9aa86487fc684648036d3
parent c4930f267af90f7a4a8fb673e6880123674eb653

Cleanup generation of url argument

generated/googleapis/lib/abusiveexperiencereport/v1.dart

diff --git a/generated/googleapis/lib/abusiveexperiencereport/v1.dart b/generated/googleapis/lib/abusiveexperiencereport/v1.dart
index af556df..4f46b69 100644
--- a/generated/googleapis/lib/abusiveexperiencereport/v1.dart
+++ b/generated/googleapis/lib/abusiveexperiencereport/v1.dart
@@ -83,8 +83,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -93,7 +91,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -127,14 +125,12 @@
   async.Future<ViolatingSitesResponse> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/violatingSites';
+    const _url = 'v1/violatingSites';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/acceleratedmobilepageurl/v1.dart

diff --git a/generated/googleapis/lib/acceleratedmobilepageurl/v1.dart b/generated/googleapis/lib/acceleratedmobilepageurl/v1.dart
index c894138..58e0150 100644
--- a/generated/googleapis/lib/acceleratedmobilepageurl/v1.dart
+++ b/generated/googleapis/lib/acceleratedmobilepageurl/v1.dart
@@ -79,8 +79,6 @@
     BatchGetAmpUrlsRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -90,7 +88,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/ampUrls:batchGet';
+    const _url = 'v1/ampUrls:batchGet';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/accessapproval/v1.dart

diff --git a/generated/googleapis/lib/accessapproval/v1.dart b/generated/googleapis/lib/accessapproval/v1.dart
index 6176d9d..b688707 100644
--- a/generated/googleapis/lib/accessapproval/v1.dart
+++ b/generated/googleapis/lib/accessapproval/v1.dart
@@ -96,8 +96,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -106,7 +104,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -137,8 +135,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -147,7 +143,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -197,8 +193,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -214,7 +208,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -260,8 +254,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -274,7 +266,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':approve';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':approve';
 
     final _response = await _requester.request(
       _url,
@@ -316,8 +309,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -330,7 +321,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':dismiss';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':dismiss';
 
     final _response = await _requester.request(
       _url,
@@ -365,8 +357,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -375,7 +365,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -428,8 +418,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -447,7 +435,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/approvalRequests';
 
@@ -496,8 +484,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -506,7 +492,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -537,8 +523,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -547,7 +531,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -597,8 +581,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -614,7 +596,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -661,8 +643,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -675,7 +655,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':approve';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':approve';
 
     final _response = await _requester.request(
       _url,
@@ -718,8 +699,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -732,7 +711,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':dismiss';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':dismiss';
 
     final _response = await _requester.request(
       _url,
@@ -768,8 +748,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -778,7 +756,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -831,8 +809,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -850,7 +826,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/approvalRequests';
 
@@ -899,8 +875,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -909,7 +883,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -940,8 +914,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -950,7 +922,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1000,8 +972,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1017,7 +987,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1063,8 +1033,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1077,7 +1045,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':approve';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':approve';
 
     final _response = await _requester.request(
       _url,
@@ -1119,8 +1088,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1133,7 +1100,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':dismiss';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':dismiss';
 
     final _response = await _requester.request(
       _url,
@@ -1168,8 +1136,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1178,7 +1144,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1231,8 +1197,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1250,7 +1214,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/approvalRequests';
 

generated/googleapis/lib/accesscontextmanager/v1.dart

diff --git a/generated/googleapis/lib/accesscontextmanager/v1.dart b/generated/googleapis/lib/accesscontextmanager/v1.dart
index 8d36e6e..a09eb19 100644
--- a/generated/googleapis/lib/accesscontextmanager/v1.dart
+++ b/generated/googleapis/lib/accesscontextmanager/v1.dart
@@ -100,8 +100,6 @@
     AccessPolicy request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -111,7 +109,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/accessPolicies';
+    const _url = 'v1/accessPolicies';
 
     final _response = await _requester.request(
       _url,
@@ -147,8 +145,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -157,7 +153,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -189,8 +185,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -199,7 +193,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -239,8 +233,6 @@
     core.String parent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -255,7 +247,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/accessPolicies';
+    const _url = 'v1/accessPolicies';
 
     final _response = await _requester.request(
       _url,
@@ -300,8 +292,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -317,7 +307,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -365,8 +355,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -379,7 +367,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/accessLevels';
 
@@ -417,8 +405,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -427,7 +413,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -473,8 +459,6 @@
     core.String accessLevelFormat,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -486,7 +470,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -537,8 +521,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -556,7 +538,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/accessLevels';
 
@@ -605,8 +587,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -622,7 +602,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -667,8 +647,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -681,7 +659,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/accessLevels:replaceAll';
 
@@ -739,8 +717,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -753,7 +729,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/servicePerimeters:commit';
 
@@ -796,8 +772,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -810,7 +784,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/servicePerimeters';
 
@@ -849,8 +823,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -859,7 +831,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -892,8 +864,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -902,7 +872,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -943,8 +913,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -959,7 +927,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/servicePerimeters';
 
@@ -1009,8 +977,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1026,7 +992,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1070,8 +1036,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1084,7 +1048,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/servicePerimeters:replaceAll';
 
@@ -1136,8 +1100,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1150,7 +1112,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -1186,8 +1149,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1196,7 +1157,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1230,8 +1191,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1240,7 +1199,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1289,8 +1248,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1308,7 +1265,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1364,8 +1321,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1378,7 +1333,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/gcpUserAccessBindings';
 
@@ -1418,8 +1373,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1428,7 +1381,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1461,8 +1414,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1471,7 +1422,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1513,8 +1464,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1529,7 +1478,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/gcpUserAccessBindings';
 
@@ -1581,8 +1530,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1598,7 +1545,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/adexchangebuyer/v1_3.dart

diff --git a/generated/googleapis/lib/adexchangebuyer/v1_3.dart b/generated/googleapis/lib/adexchangebuyer/v1_3.dart
index f10df0c..81eb710 100644
--- a/generated/googleapis/lib/adexchangebuyer/v1_3.dart
+++ b/generated/googleapis/lib/adexchangebuyer/v1_3.dart
@@ -96,8 +96,6 @@
     core.int id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
     }
@@ -106,7 +104,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'accounts/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -133,14 +131,12 @@
   async.Future<AccountsList> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts';
+    const _url = 'accounts';
 
     final _response = await _requester.request(
       _url,
@@ -176,8 +172,6 @@
     core.int id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -190,7 +184,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'accounts/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -224,8 +218,6 @@
     core.int id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -238,7 +230,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'accounts/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -275,8 +267,6 @@
     core.int accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -285,7 +275,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'billinginfo/' + commons.Escaper.ecapeVariable('$accountId');
+    final _url = 'billinginfo/' + commons.Escaper.ecapeVariable('$accountId');
 
     final _response = await _requester.request(
       _url,
@@ -314,14 +304,12 @@
   async.Future<BillingInfoList> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'billinginfo';
+    const _url = 'billinginfo';
 
     final _response = await _requester.request(
       _url,
@@ -362,8 +350,6 @@
     core.String billingId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -375,7 +361,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'billinginfo/' +
+    final _url = 'billinginfo/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$billingId');
@@ -417,8 +403,6 @@
     core.String billingId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -434,7 +418,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'billinginfo/' +
+    final _url = 'billinginfo/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$billingId');
@@ -475,8 +459,6 @@
     core.String billingId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -492,7 +474,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'billinginfo/' +
+    final _url = 'billinginfo/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$billingId');
@@ -537,8 +519,6 @@
     core.String buyerCreativeId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -550,7 +530,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'creatives/' +
+    final _url = 'creatives/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$buyerCreativeId');
@@ -583,8 +563,6 @@
     Creative request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -594,7 +572,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'creatives';
+    const _url = 'creatives';
 
     final _response = await _requester.request(
       _url,
@@ -650,8 +628,6 @@
     core.String statusFilter,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (accountId != null) {
       _queryParams['accountId'] = accountId.map((item) => '${item}').toList();
@@ -672,7 +648,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'creatives';
+    const _url = 'creatives';
 
     final _response = await _requester.request(
       _url,
@@ -709,8 +685,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
     }
@@ -719,7 +693,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'directdeals/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'directdeals/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -747,14 +721,12 @@
   async.Future<DirectDealsList> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'directdeals';
+    const _url = 'directdeals';
 
     final _response = await _requester.request(
       _url,
@@ -809,8 +781,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
@@ -834,7 +804,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'performancereport';
+    const _url = 'performancereport';
 
     final _response = await _requester.request(
       _url,
@@ -872,8 +842,6 @@
     core.String configId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -885,7 +853,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'pretargetingconfigs/' +
+    final _url = 'pretargetingconfigs/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$configId');
@@ -921,8 +889,6 @@
     core.String configId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -934,7 +900,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'pretargetingconfigs/' +
+    final _url = 'pretargetingconfigs/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$configId');
@@ -971,8 +937,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -985,7 +949,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'pretargetingconfigs/' + commons.Escaper.ecapeVariable('$accountId');
+    final _url =
+        'pretargetingconfigs/' + commons.Escaper.ecapeVariable('$accountId');
 
     final _response = await _requester.request(
       _url,
@@ -1017,8 +982,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1027,7 +990,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'pretargetingconfigs/' + commons.Escaper.ecapeVariable('$accountId');
+    final _url =
+        'pretargetingconfigs/' + commons.Escaper.ecapeVariable('$accountId');
 
     final _response = await _requester.request(
       _url,
@@ -1066,8 +1030,6 @@
     core.String configId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1083,7 +1045,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'pretargetingconfigs/' +
+    final _url = 'pretargetingconfigs/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$configId');
@@ -1124,8 +1086,6 @@
     core.String configId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1141,7 +1101,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'pretargetingconfigs/' +
+    final _url = 'pretargetingconfigs/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$configId');

generated/googleapis/lib/adexchangebuyer/v1_4.dart

diff --git a/generated/googleapis/lib/adexchangebuyer/v1_4.dart b/generated/googleapis/lib/adexchangebuyer/v1_4.dart
index 7b5fdcb..47f00f6 100644
--- a/generated/googleapis/lib/adexchangebuyer/v1_4.dart
+++ b/generated/googleapis/lib/adexchangebuyer/v1_4.dart
@@ -109,8 +109,6 @@
     core.int id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
     }
@@ -119,7 +117,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'accounts/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -146,14 +144,12 @@
   async.Future<AccountsList> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts';
+    const _url = 'accounts';
 
     final _response = await _requester.request(
       _url,
@@ -193,8 +189,6 @@
     core.bool confirmUnsafeAccountChange,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -212,7 +206,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'accounts/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -250,8 +244,6 @@
     core.bool confirmUnsafeAccountChange,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -269,7 +261,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'accounts/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -306,8 +298,6 @@
     core.int accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -316,7 +306,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'billinginfo/' + commons.Escaper.ecapeVariable('$accountId');
+    final _url = 'billinginfo/' + commons.Escaper.ecapeVariable('$accountId');
 
     final _response = await _requester.request(
       _url,
@@ -345,14 +335,12 @@
   async.Future<BillingInfoList> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'billinginfo';
+    const _url = 'billinginfo';
 
     final _response = await _requester.request(
       _url,
@@ -393,8 +381,6 @@
     core.String billingId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -406,7 +392,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'billinginfo/' +
+    final _url = 'billinginfo/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$billingId');
@@ -448,8 +434,6 @@
     core.String billingId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -465,7 +449,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'billinginfo/' +
+    final _url = 'billinginfo/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$billingId');
@@ -506,8 +490,6 @@
     core.String billingId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -523,7 +505,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'billinginfo/' +
+    final _url = 'billinginfo/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$billingId');
@@ -567,8 +549,6 @@
     core.String dealId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -583,7 +563,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'creatives/' +
+    final _url = 'creatives/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$buyerCreativeId') +
@@ -623,8 +603,6 @@
     core.String buyerCreativeId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -636,7 +614,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'creatives/' +
+    final _url = 'creatives/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$buyerCreativeId');
@@ -669,8 +647,6 @@
     Creative request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -680,7 +656,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'creatives';
+    const _url = 'creatives';
 
     final _response = await _requester.request(
       _url,
@@ -751,8 +727,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (accountId != null) {
       _queryParams['accountId'] = accountId.map((item) => '${item}').toList();
@@ -776,7 +750,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'creatives';
+    const _url = 'creatives';
 
     final _response = await _requester.request(
       _url,
@@ -810,8 +784,6 @@
     core.String buyerCreativeId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -823,7 +795,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'creatives/' +
+    final _url = 'creatives/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$buyerCreativeId') +
@@ -862,8 +834,6 @@
     core.String dealId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -878,7 +848,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'creatives/' +
+    final _url = 'creatives/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$buyerCreativeId') +
@@ -922,8 +892,6 @@
     core.String proposalId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -936,7 +904,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'proposals/' +
+    final _url = 'proposals/' +
         commons.Escaper.ecapeVariable('$proposalId') +
         '/deals/delete';
 
@@ -973,8 +941,6 @@
     core.String proposalId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -987,7 +953,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'proposals/' +
+    final _url = 'proposals/' +
         commons.Escaper.ecapeVariable('$proposalId') +
         '/deals/insert';
 
@@ -1025,8 +991,6 @@
     core.String pqlQuery,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (proposalId == null) {
       throw core.ArgumentError('Parameter proposalId is required.');
     }
@@ -1038,7 +1002,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'proposals/' + commons.Escaper.ecapeVariable('$proposalId') + '/deals';
 
     final _response = await _requester.request(
@@ -1073,8 +1037,6 @@
     core.String proposalId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1087,7 +1049,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'proposals/' +
+    final _url = 'proposals/' +
         commons.Escaper.ecapeVariable('$proposalId') +
         '/deals/update';
 
@@ -1130,8 +1092,6 @@
     core.String proposalId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1144,7 +1104,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'proposals/' +
+    final _url = 'proposals/' +
         commons.Escaper.ecapeVariable('$proposalId') +
         '/notes/insert';
 
@@ -1184,8 +1144,6 @@
     core.String pqlQuery,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (proposalId == null) {
       throw core.ArgumentError('Parameter proposalId is required.');
     }
@@ -1197,7 +1155,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'proposals/' + commons.Escaper.ecapeVariable('$proposalId') + '/notes';
 
     final _response = await _requester.request(
@@ -1237,8 +1195,6 @@
     core.String privateAuctionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1251,7 +1207,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'privateauction/' +
+    final _url = 'privateauction/' +
         commons.Escaper.ecapeVariable('$privateAuctionId') +
         '/updateproposal';
 
@@ -1308,8 +1264,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
@@ -1333,7 +1287,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'performancereport';
+    const _url = 'performancereport';
 
     final _response = await _requester.request(
       _url,
@@ -1371,8 +1325,6 @@
     core.String configId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1384,7 +1336,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'pretargetingconfigs/' +
+    final _url = 'pretargetingconfigs/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$configId');
@@ -1420,8 +1372,6 @@
     core.String configId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1433,7 +1383,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'pretargetingconfigs/' +
+    final _url = 'pretargetingconfigs/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$configId');
@@ -1470,8 +1420,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1484,7 +1432,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'pretargetingconfigs/' + commons.Escaper.ecapeVariable('$accountId');
+    final _url =
+        'pretargetingconfigs/' + commons.Escaper.ecapeVariable('$accountId');
 
     final _response = await _requester.request(
       _url,
@@ -1516,8 +1465,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1526,7 +1473,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'pretargetingconfigs/' + commons.Escaper.ecapeVariable('$accountId');
+    final _url =
+        'pretargetingconfigs/' + commons.Escaper.ecapeVariable('$accountId');
 
     final _response = await _requester.request(
       _url,
@@ -1565,8 +1513,6 @@
     core.String configId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1582,7 +1528,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'pretargetingconfigs/' +
+    final _url = 'pretargetingconfigs/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$configId');
@@ -1623,8 +1569,6 @@
     core.String configId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1640,7 +1584,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'pretargetingconfigs/' +
+    final _url = 'pretargetingconfigs/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/' +
         commons.Escaper.ecapeVariable('$configId');
@@ -1681,8 +1625,6 @@
     core.String productId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (productId == null) {
       throw core.ArgumentError('Parameter productId is required.');
     }
@@ -1691,7 +1633,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'products/' + commons.Escaper.ecapeVariable('$productId');
+    final _url = 'products/' + commons.Escaper.ecapeVariable('$productId');
 
     final _response = await _requester.request(
       _url,
@@ -1721,8 +1663,6 @@
     core.String pqlQuery,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pqlQuery != null) {
       _queryParams['pqlQuery'] = [pqlQuery];
@@ -1731,7 +1671,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'products/search';
+    const _url = 'products/search';
 
     final _response = await _requester.request(
       _url,
@@ -1768,8 +1708,6 @@
     core.String proposalId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (proposalId == null) {
       throw core.ArgumentError('Parameter proposalId is required.');
     }
@@ -1778,7 +1716,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'proposals/' + commons.Escaper.ecapeVariable('$proposalId');
+    final _url = 'proposals/' + commons.Escaper.ecapeVariable('$proposalId');
 
     final _response = await _requester.request(
       _url,
@@ -1808,8 +1746,6 @@
     CreateOrdersRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1819,7 +1755,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'proposals/insert';
+    const _url = 'proposals/insert';
 
     final _response = await _requester.request(
       _url,
@@ -1873,8 +1809,6 @@
     core.String updateAction, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1893,7 +1827,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'proposals/' +
+    final _url = 'proposals/' +
         commons.Escaper.ecapeVariable('$proposalId') +
         '/' +
         commons.Escaper.ecapeVariable('$revisionNumber') +
@@ -1929,8 +1863,6 @@
     core.String pqlQuery,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pqlQuery != null) {
       _queryParams['pqlQuery'] = [pqlQuery];
@@ -1939,7 +1871,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'proposals/search';
+    const _url = 'proposals/search';
 
     final _response = await _requester.request(
       _url,
@@ -1968,8 +1900,6 @@
     core.String proposalId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (proposalId == null) {
       throw core.ArgumentError('Parameter proposalId is required.');
     }
@@ -1978,7 +1908,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'proposals/' +
+    final _url = 'proposals/' +
         commons.Escaper.ecapeVariable('$proposalId') +
         '/setupcomplete';
 
@@ -2030,8 +1960,6 @@
     core.String updateAction, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2050,7 +1978,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'proposals/' +
+    final _url = 'proposals/' +
         commons.Escaper.ecapeVariable('$proposalId') +
         '/' +
         commons.Escaper.ecapeVariable('$revisionNumber') +
@@ -2092,8 +2020,6 @@
     core.int accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2102,7 +2028,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'publisher/' +
+    final _url = 'publisher/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/profiles';
 

generated/googleapis/lib/adexperiencereport/v1.dart

diff --git a/generated/googleapis/lib/adexperiencereport/v1.dart b/generated/googleapis/lib/adexperiencereport/v1.dart
index 0a4241f..608cd25 100644
--- a/generated/googleapis/lib/adexperiencereport/v1.dart
+++ b/generated/googleapis/lib/adexperiencereport/v1.dart
@@ -82,8 +82,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -92,7 +90,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -127,14 +125,12 @@
   async.Future<ViolatingSitesResponse> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/violatingSites';
+    const _url = 'v1/violatingSites';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/admin/datatransfer_v1.dart

diff --git a/generated/googleapis/lib/admin/datatransfer_v1.dart b/generated/googleapis/lib/admin/datatransfer_v1.dart
index 5dd8a27..d9db3bf 100644
--- a/generated/googleapis/lib/admin/datatransfer_v1.dart
+++ b/generated/googleapis/lib/admin/datatransfer_v1.dart
@@ -90,8 +90,6 @@
     core.String applicationId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (applicationId == null) {
       throw core.ArgumentError('Parameter applicationId is required.');
     }
@@ -100,7 +98,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/datatransfer/v1/applications/' +
+    final _url = 'admin/datatransfer/v1/applications/' +
         commons.Escaper.ecapeVariable('$applicationId');
 
     final _response = await _requester.request(
@@ -139,8 +137,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (customerId != null) {
       _queryParams['customerId'] = [customerId];
@@ -155,7 +151,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/datatransfer/v1/applications';
+    const _url = 'admin/datatransfer/v1/applications';
 
     final _response = await _requester.request(
       _url,
@@ -193,8 +189,6 @@
     core.String dataTransferId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (dataTransferId == null) {
       throw core.ArgumentError('Parameter dataTransferId is required.');
     }
@@ -203,7 +197,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/datatransfer/v1/transfers/' +
+    final _url = 'admin/datatransfer/v1/transfers/' +
         commons.Escaper.ecapeVariable('$dataTransferId');
 
     final _response = await _requester.request(
@@ -235,8 +229,6 @@
     DataTransfer request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -246,7 +238,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/datatransfer/v1/transfers';
+    const _url = 'admin/datatransfer/v1/transfers';
 
     final _response = await _requester.request(
       _url,
@@ -295,8 +287,6 @@
     core.String status,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (customerId != null) {
       _queryParams['customerId'] = [customerId];
@@ -320,7 +310,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/datatransfer/v1/transfers';
+    const _url = 'admin/datatransfer/v1/transfers';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/admin/directory_v1.dart

diff --git a/generated/googleapis/lib/admin/directory_v1.dart b/generated/googleapis/lib/admin/directory_v1.dart
index 798ae8c..fb223cd 100644
--- a/generated/googleapis/lib/admin/directory_v1.dart
+++ b/generated/googleapis/lib/admin/directory_v1.dart
@@ -242,8 +242,6 @@
     core.int codeId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -255,7 +253,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/asps/' +
         commons.Escaper.ecapeVariable('$codeId');
@@ -292,8 +290,6 @@
     core.int codeId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -305,7 +301,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/asps/' +
         commons.Escaper.ecapeVariable('$codeId');
@@ -339,8 +335,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -349,7 +343,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/asps';
 
@@ -385,8 +379,6 @@
     Channel request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -396,7 +388,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory_v1/channels/stop';
+    const _url = 'admin/directory_v1/channels/stop';
 
     await _requester.request(
       _url,
@@ -454,8 +446,6 @@
     core.String resourceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -471,7 +461,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/devices/chromeos/' +
         commons.Escaper.ecapeVariable('$resourceId') +
@@ -525,8 +515,6 @@
     core.String projection,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -541,7 +529,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/devices/chromeos/' +
         commons.Escaper.ecapeVariable('$deviceId');
@@ -627,8 +615,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -658,7 +644,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/devices/chromeos';
 
@@ -697,8 +683,6 @@
     core.String orgUnitPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -715,7 +699,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/devices/chromeos/moveDevicesToOu';
 
@@ -773,8 +757,6 @@
     core.String projection,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -793,7 +775,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/devices/chromeos/' +
         commons.Escaper.ecapeVariable('$deviceId');
@@ -850,8 +832,6 @@
     core.String projection,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -870,7 +850,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/devices/chromeos/' +
         commons.Escaper.ecapeVariable('$deviceId');
@@ -938,8 +918,6 @@
     core.String deviceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -955,7 +933,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/devices/chromeos/' +
         commons.Escaper.ecapeVariable('$deviceId') +
@@ -1004,8 +982,6 @@
     core.String commandId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -1020,7 +996,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/devices/chromeos/' +
         commons.Escaper.ecapeVariable('$deviceId') +
@@ -1062,8 +1038,6 @@
     core.String customerKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerKey == null) {
       throw core.ArgumentError('Parameter customerKey is required.');
     }
@@ -1072,7 +1046,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customers/' +
+    final _url = 'admin/directory/v1/customers/' +
         commons.Escaper.ecapeVariable('$customerKey');
 
     final _response = await _requester.request(
@@ -1106,8 +1080,6 @@
     core.String customerKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1120,7 +1092,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customers/' +
+    final _url = 'admin/directory/v1/customers/' +
         commons.Escaper.ecapeVariable('$customerKey');
 
     final _response = await _requester.request(
@@ -1155,8 +1127,6 @@
     core.String customerKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1169,7 +1139,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customers/' +
+    final _url = 'admin/directory/v1/customers/' +
         commons.Escaper.ecapeVariable('$customerKey');
 
     final _response = await _requester.request(
@@ -1208,8 +1178,6 @@
     core.String domainAliasName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -1221,7 +1189,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/domainaliases/' +
         commons.Escaper.ecapeVariable('$domainAliasName');
@@ -1257,8 +1225,6 @@
     core.String domainAliasName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -1270,7 +1236,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/domainaliases/' +
         commons.Escaper.ecapeVariable('$domainAliasName');
@@ -1307,8 +1273,6 @@
     core.String customer, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1321,7 +1285,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/domainaliases';
 
@@ -1359,8 +1323,6 @@
     core.String parentDomainName,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -1372,7 +1334,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/domainaliases';
 
@@ -1412,8 +1374,6 @@
     core.String domainName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -1425,7 +1385,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/domains/' +
         commons.Escaper.ecapeVariable('$domainName');
@@ -1461,8 +1421,6 @@
     core.String domainName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -1474,7 +1432,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/domains/' +
         commons.Escaper.ecapeVariable('$domainName');
@@ -1510,8 +1468,6 @@
     core.String customer, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1524,7 +1480,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/domains';
 
@@ -1557,8 +1513,6 @@
     core.String customer, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -1567,7 +1521,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/domains';
 
@@ -1606,8 +1560,6 @@
     core.String groupKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (groupKey == null) {
       throw core.ArgumentError('Parameter groupKey is required.');
     }
@@ -1616,7 +1568,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups/' +
+    final _url = 'admin/directory/v1/groups/' +
         commons.Escaper.ecapeVariable('$groupKey');
 
     await _requester.request(
@@ -1648,8 +1600,6 @@
     core.String groupKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (groupKey == null) {
       throw core.ArgumentError('Parameter groupKey is required.');
     }
@@ -1658,7 +1608,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups/' +
+    final _url = 'admin/directory/v1/groups/' +
         commons.Escaper.ecapeVariable('$groupKey');
 
     final _response = await _requester.request(
@@ -1689,8 +1639,6 @@
     Group request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1700,7 +1648,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups';
+    const _url = 'admin/directory/v1/groups';
 
     final _response = await _requester.request(
       _url,
@@ -1772,8 +1720,6 @@
     core.String userKey,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (customer != null) {
       _queryParams['customer'] = [customer];
@@ -1803,7 +1749,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups';
+    const _url = 'admin/directory/v1/groups';
 
     final _response = await _requester.request(
       _url,
@@ -1840,8 +1786,6 @@
     core.String groupKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1854,7 +1798,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups/' +
+    final _url = 'admin/directory/v1/groups/' +
         commons.Escaper.ecapeVariable('$groupKey');
 
     final _response = await _requester.request(
@@ -1890,8 +1834,6 @@
     core.String groupKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1904,7 +1846,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups/' +
+    final _url = 'admin/directory/v1/groups/' +
         commons.Escaper.ecapeVariable('$groupKey');
 
     final _response = await _requester.request(
@@ -1944,8 +1886,6 @@
     core.String alias, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (groupKey == null) {
       throw core.ArgumentError('Parameter groupKey is required.');
     }
@@ -1957,7 +1897,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups/' +
+    final _url = 'admin/directory/v1/groups/' +
         commons.Escaper.ecapeVariable('$groupKey') +
         '/aliases/' +
         commons.Escaper.ecapeVariable('$alias');
@@ -1994,8 +1934,6 @@
     core.String groupKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2008,7 +1946,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups/' +
+    final _url = 'admin/directory/v1/groups/' +
         commons.Escaper.ecapeVariable('$groupKey') +
         '/aliases';
 
@@ -2042,8 +1980,6 @@
     core.String groupKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (groupKey == null) {
       throw core.ArgumentError('Parameter groupKey is required.');
     }
@@ -2052,7 +1988,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups/' +
+    final _url = 'admin/directory/v1/groups/' +
         commons.Escaper.ecapeVariable('$groupKey') +
         '/aliases';
 
@@ -2094,8 +2030,6 @@
     core.String memberKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (groupKey == null) {
       throw core.ArgumentError('Parameter groupKey is required.');
     }
@@ -2107,7 +2041,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups/' +
+    final _url = 'admin/directory/v1/groups/' +
         commons.Escaper.ecapeVariable('$groupKey') +
         '/members/' +
         commons.Escaper.ecapeVariable('$memberKey');
@@ -2146,8 +2080,6 @@
     core.String memberKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (groupKey == null) {
       throw core.ArgumentError('Parameter groupKey is required.');
     }
@@ -2159,7 +2091,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups/' +
+    final _url = 'admin/directory/v1/groups/' +
         commons.Escaper.ecapeVariable('$groupKey') +
         '/members/' +
         commons.Escaper.ecapeVariable('$memberKey');
@@ -2199,8 +2131,6 @@
     core.String memberKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (groupKey == null) {
       throw core.ArgumentError('Parameter groupKey is required.');
     }
@@ -2212,7 +2142,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups/' +
+    final _url = 'admin/directory/v1/groups/' +
         commons.Escaper.ecapeVariable('$groupKey') +
         '/hasMember/' +
         commons.Escaper.ecapeVariable('$memberKey');
@@ -2250,8 +2180,6 @@
     core.String groupKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2264,7 +2192,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups/' +
+    final _url = 'admin/directory/v1/groups/' +
         commons.Escaper.ecapeVariable('$groupKey') +
         '/members';
 
@@ -2313,8 +2241,6 @@
     core.String roles,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (groupKey == null) {
       throw core.ArgumentError('Parameter groupKey is required.');
     }
@@ -2337,7 +2263,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups/' +
+    final _url = 'admin/directory/v1/groups/' +
         commons.Escaper.ecapeVariable('$groupKey') +
         '/members';
 
@@ -2381,8 +2307,6 @@
     core.String memberKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2398,7 +2322,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups/' +
+    final _url = 'admin/directory/v1/groups/' +
         commons.Escaper.ecapeVariable('$groupKey') +
         '/members/' +
         commons.Escaper.ecapeVariable('$memberKey');
@@ -2441,8 +2365,6 @@
     core.String memberKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2458,7 +2380,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/groups/' +
+    final _url = 'admin/directory/v1/groups/' +
         commons.Escaper.ecapeVariable('$groupKey') +
         '/members/' +
         commons.Escaper.ecapeVariable('$memberKey');
@@ -2509,8 +2431,6 @@
     core.String resourceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2526,7 +2446,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/devices/mobile/' +
         commons.Escaper.ecapeVariable('$resourceId') +
@@ -2567,8 +2487,6 @@
     core.String resourceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -2580,7 +2498,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/devices/mobile/' +
         commons.Escaper.ecapeVariable('$resourceId');
@@ -2629,8 +2547,6 @@
     core.String projection,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -2645,7 +2561,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/devices/mobile/' +
         commons.Escaper.ecapeVariable('$resourceId');
@@ -2725,8 +2641,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -2753,7 +2667,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/devices/mobile';
 
@@ -2798,8 +2712,6 @@
     core.String orgUnitPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -2811,7 +2723,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/orgunits/' +
         commons.Escaper.ecapeVariableReserved('$orgUnitPath');
@@ -2852,8 +2764,6 @@
     core.String orgUnitPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -2865,7 +2775,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/orgunits/' +
         commons.Escaper.ecapeVariableReserved('$orgUnitPath');
@@ -2905,8 +2815,6 @@
     core.String customerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2919,7 +2827,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/orgunits';
 
@@ -2968,8 +2876,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -2984,7 +2890,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/orgunits';
 
@@ -3030,8 +2936,6 @@
     core.String orgUnitPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3047,7 +2951,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/orgunits/' +
         commons.Escaper.ecapeVariableReserved('$orgUnitPath');
@@ -3092,8 +2996,6 @@
     core.String orgUnitPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3109,7 +3011,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/orgunits/' +
         commons.Escaper.ecapeVariableReserved('$orgUnitPath');
@@ -3149,8 +3051,6 @@
     core.String customer, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -3159,7 +3059,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/roles/ALL/privileges';
 
@@ -3214,8 +3114,6 @@
     core.String buildingId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -3227,7 +3125,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/buildings/' +
         commons.Escaper.ecapeVariable('$buildingId');
@@ -3265,8 +3163,6 @@
     core.String buildingId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -3278,7 +3174,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/buildings/' +
         commons.Escaper.ecapeVariable('$buildingId');
@@ -3328,8 +3224,6 @@
     core.String coordinatesSource,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3345,7 +3239,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/buildings';
 
@@ -3387,8 +3281,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -3403,7 +3295,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/buildings';
 
@@ -3455,8 +3347,6 @@
     core.String coordinatesSource,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3475,7 +3365,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/buildings/' +
         commons.Escaper.ecapeVariable('$buildingId');
@@ -3529,8 +3419,6 @@
     core.String coordinatesSource,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3549,7 +3437,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/buildings/' +
         commons.Escaper.ecapeVariable('$buildingId');
@@ -3592,8 +3480,6 @@
     core.String calendarResourceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -3605,7 +3491,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/calendars/' +
         commons.Escaper.ecapeVariable('$calendarResourceId');
@@ -3643,8 +3529,6 @@
     core.String calendarResourceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -3656,7 +3540,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/calendars/' +
         commons.Escaper.ecapeVariable('$calendarResourceId');
@@ -3695,8 +3579,6 @@
     core.String customer, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3709,7 +3591,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/calendars';
 
@@ -3773,8 +3655,6 @@
     core.String query,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -3795,7 +3675,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/calendars';
 
@@ -3836,8 +3716,6 @@
     core.String calendarResourceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3853,7 +3731,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/calendars/' +
         commons.Escaper.ecapeVariable('$calendarResourceId');
@@ -3900,8 +3778,6 @@
     core.String calendarResourceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3917,7 +3793,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/calendars/' +
         commons.Escaper.ecapeVariable('$calendarResourceId');
@@ -3961,8 +3837,6 @@
     core.String featureKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -3974,7 +3848,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/features/' +
         commons.Escaper.ecapeVariable('$featureKey');
@@ -4012,8 +3886,6 @@
     core.String featureKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -4025,7 +3897,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/features/' +
         commons.Escaper.ecapeVariable('$featureKey');
@@ -4063,8 +3935,6 @@
     core.String customer, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4077,7 +3947,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/features';
 
@@ -4119,8 +3989,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -4135,7 +4003,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/features';
 
@@ -4175,8 +4043,6 @@
     core.String featureKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4192,7 +4058,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/features/' +
         commons.Escaper.ecapeVariable('$featureKey');
@@ -4232,8 +4098,6 @@
     core.String oldName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4249,7 +4113,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/features/' +
         commons.Escaper.ecapeVariable('$oldName') +
@@ -4292,8 +4156,6 @@
     core.String featureKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4309,7 +4171,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/resources/features/' +
         commons.Escaper.ecapeVariable('$featureKey');
@@ -4350,8 +4212,6 @@
     core.String roleAssignmentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -4363,7 +4223,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/roleassignments/' +
         commons.Escaper.ecapeVariable('$roleAssignmentId');
@@ -4399,8 +4259,6 @@
     core.String roleAssignmentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -4412,7 +4270,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/roleassignments/' +
         commons.Escaper.ecapeVariable('$roleAssignmentId');
@@ -4449,8 +4307,6 @@
     core.String customer, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4463,7 +4319,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/roleassignments';
 
@@ -4513,8 +4369,6 @@
     core.String userKey,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -4535,7 +4389,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/roleassignments';
 
@@ -4575,8 +4429,6 @@
     core.String roleId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -4588,7 +4440,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/roles/' +
         commons.Escaper.ecapeVariable('$roleId');
@@ -4624,8 +4476,6 @@
     core.String roleId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -4637,7 +4487,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/roles/' +
         commons.Escaper.ecapeVariable('$roleId');
@@ -4673,8 +4523,6 @@
     core.String customer, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4687,7 +4535,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/roles';
 
@@ -4727,8 +4575,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customer == null) {
       throw core.ArgumentError('Parameter customer is required.');
     }
@@ -4743,7 +4589,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/roles';
 
@@ -4781,8 +4627,6 @@
     core.String roleId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4798,7 +4642,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/roles/' +
         commons.Escaper.ecapeVariable('$roleId');
@@ -4838,8 +4682,6 @@
     core.String roleId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4855,7 +4697,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customer') +
         '/roles/' +
         commons.Escaper.ecapeVariable('$roleId');
@@ -4896,8 +4738,6 @@
     core.String schemaKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -4909,7 +4749,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/schemas/' +
         commons.Escaper.ecapeVariable('$schemaKey');
@@ -4945,8 +4785,6 @@
     core.String schemaKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -4958,7 +4796,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/schemas/' +
         commons.Escaper.ecapeVariable('$schemaKey');
@@ -4994,8 +4832,6 @@
     core.String customerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5008,7 +4844,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/schemas';
 
@@ -5041,8 +4877,6 @@
     core.String customerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -5051,7 +4885,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/schemas';
 
@@ -5089,8 +4923,6 @@
     core.String schemaKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5106,7 +4938,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/schemas/' +
         commons.Escaper.ecapeVariable('$schemaKey');
@@ -5146,8 +4978,6 @@
     core.String schemaKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5163,7 +4993,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/customer/' +
+    final _url = 'admin/directory/v1/customer/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/schemas/' +
         commons.Escaper.ecapeVariable('$schemaKey');
@@ -5205,8 +5035,6 @@
     core.String clientId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -5218,7 +5046,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/tokens/' +
         commons.Escaper.ecapeVariable('$clientId');
@@ -5255,8 +5083,6 @@
     core.String clientId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -5268,7 +5094,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/tokens/' +
         commons.Escaper.ecapeVariable('$clientId');
@@ -5303,8 +5129,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -5313,7 +5137,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/tokens';
 
@@ -5351,8 +5175,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -5361,7 +5183,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/twoStepVerification/turnOff';
 
@@ -5401,8 +5223,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -5411,7 +5231,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'admin/directory/v1/users/' + commons.Escaper.ecapeVariable('$userKey');
 
     await _requester.request(
@@ -5468,8 +5288,6 @@
     core.String viewType,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -5487,7 +5305,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'admin/directory/v1/users/' + commons.Escaper.ecapeVariable('$userKey');
 
     final _response = await _requester.request(
@@ -5518,8 +5336,6 @@
     User request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5529,7 +5345,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users';
+    const _url = 'admin/directory/v1/users';
 
     final _response = await _requester.request(
       _url,
@@ -5629,8 +5445,6 @@
     core.String viewType,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (customFieldMask != null) {
       _queryParams['customFieldMask'] = [customFieldMask];
@@ -5669,7 +5483,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users';
+    const _url = 'admin/directory/v1/users';
 
     final _response = await _requester.request(
       _url,
@@ -5701,8 +5515,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5715,7 +5527,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/makeAdmin';
 
@@ -5757,8 +5569,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5771,7 +5581,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'admin/directory/v1/users/' + commons.Escaper.ecapeVariable('$userKey');
 
     final _response = await _requester.request(
@@ -5806,8 +5616,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -5816,7 +5624,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/signOut';
 
@@ -5849,8 +5657,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5863,7 +5669,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/undelete';
 
@@ -5904,8 +5710,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5918,7 +5722,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'admin/directory/v1/users/' + commons.Escaper.ecapeVariable('$userKey');
 
     final _response = await _requester.request(
@@ -6024,8 +5828,6 @@
     core.String viewType,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6071,7 +5873,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/watch';
+    const _url = 'admin/directory/v1/users/watch';
 
     final _response = await _requester.request(
       _url,
@@ -6110,8 +5912,6 @@
     core.String alias, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -6123,7 +5923,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/aliases/' +
         commons.Escaper.ecapeVariable('$alias');
@@ -6160,8 +5960,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6174,7 +5972,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/aliases';
 
@@ -6208,8 +6006,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -6218,7 +6014,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/aliases';
 
@@ -6260,8 +6056,6 @@
     core.String event,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6277,7 +6071,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/aliases/watch';
 
@@ -6315,8 +6109,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -6325,7 +6117,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/photos/thumbnail';
 
@@ -6358,8 +6150,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -6368,7 +6158,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/photos/thumbnail';
 
@@ -6407,8 +6197,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6421,7 +6209,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/photos/thumbnail';
 
@@ -6458,8 +6246,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6472,7 +6258,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/photos/thumbnail';
 
@@ -6509,8 +6295,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -6519,7 +6303,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/verificationCodes/generate';
 
@@ -6549,8 +6333,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -6559,7 +6341,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/verificationCodes/invalidate';
 
@@ -6593,8 +6375,6 @@
     core.String userKey, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -6603,7 +6383,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/directory/v1/users/' +
+    final _url = 'admin/directory/v1/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/verificationCodes';
 

generated/googleapis/lib/admin/reports_v1.dart

diff --git a/generated/googleapis/lib/admin/reports_v1.dart b/generated/googleapis/lib/admin/reports_v1.dart
index 729b2b7..e2d7675 100644
--- a/generated/googleapis/lib/admin/reports_v1.dart
+++ b/generated/googleapis/lib/admin/reports_v1.dart
@@ -275,8 +275,6 @@
     core.String startTime,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -318,7 +316,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/reports/v1/activity/users/' +
+    final _url = 'admin/reports/v1/activity/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/applications/' +
         commons.Escaper.ecapeVariable('$applicationName');
@@ -527,8 +525,6 @@
     core.String startTime,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -574,7 +570,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/reports/v1/activity/users/' +
+    final _url = 'admin/reports/v1/activity/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/applications/' +
         commons.Escaper.ecapeVariable('$applicationName') +
@@ -613,8 +609,6 @@
     Channel request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -624,7 +618,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/reports_v1/channels/stop';
+    const _url = 'admin/reports_v1/channels/stop';
 
     await _requester.request(
       _url,
@@ -699,8 +693,6 @@
     core.String parameters,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (date == null) {
       throw core.ArgumentError('Parameter date is required.');
     }
@@ -718,7 +710,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/reports/v1/usage/dates/' +
+    final _url = 'admin/reports/v1/usage/dates/' +
         commons.Escaper.ecapeVariable('$date');
 
     final _response = await _requester.request(
@@ -833,8 +825,6 @@
     core.String parameters,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (entityType == null) {
       throw core.ArgumentError('Parameter entityType is required.');
     }
@@ -864,7 +854,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/reports/v1/usage/' +
+    final _url = 'admin/reports/v1/usage/' +
         commons.Escaper.ecapeVariable('$entityType') +
         '/' +
         commons.Escaper.ecapeVariable('$entityKey') +
@@ -989,8 +979,6 @@
     core.String parameters,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userKey == null) {
       throw core.ArgumentError('Parameter userKey is required.');
     }
@@ -1023,7 +1011,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'admin/reports/v1/usage/users/' +
+    final _url = 'admin/reports/v1/usage/users/' +
         commons.Escaper.ecapeVariable('$userKey') +
         '/dates/' +
         commons.Escaper.ecapeVariable('$date');

generated/googleapis/lib/admob/v1.dart

diff --git a/generated/googleapis/lib/admob/v1.dart b/generated/googleapis/lib/admob/v1.dart
index 7f3a143..47dc4ec 100644
--- a/generated/googleapis/lib/admob/v1.dart
+++ b/generated/googleapis/lib/admob/v1.dart
@@ -94,8 +94,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -104,7 +102,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -143,8 +141,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -156,7 +152,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/accounts';
+    const _url = 'v1/accounts';
 
     final _response = await _requester.request(
       _url,
@@ -203,8 +199,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -217,7 +211,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/mediationReport:generate';
 
@@ -267,8 +261,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -281,7 +273,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/networkReport:generate';
 

generated/googleapis/lib/adsense/v1_4.dart

diff --git a/generated/googleapis/lib/adsense/v1_4.dart b/generated/googleapis/lib/adsense/v1_4.dart
index 73330a3..216da59 100644
--- a/generated/googleapis/lib/adsense/v1_4.dart
+++ b/generated/googleapis/lib/adsense/v1_4.dart
@@ -141,8 +141,6 @@
     core.bool tree,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -154,7 +152,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' + commons.Escaper.ecapeVariable('$accountId');
+    final _url = 'accounts/' + commons.Escaper.ecapeVariable('$accountId');
 
     final _response = await _requester.request(
       _url,
@@ -191,8 +189,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (maxResults != null) {
       _queryParams['maxResults'] = ['${maxResults}'];
@@ -204,7 +200,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts';
+    const _url = 'accounts';
 
     final _response = await _requester.request(
       _url,
@@ -246,8 +242,6 @@
     core.String tagPartner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -262,7 +256,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -306,8 +300,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -322,7 +314,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients';
 
@@ -370,8 +362,6 @@
     core.String adUnitId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -386,7 +376,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -427,8 +417,6 @@
     core.String adUnitId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -443,7 +431,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -495,8 +483,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -517,7 +503,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -574,8 +560,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -596,7 +580,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -641,8 +625,6 @@
     core.String alertId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -654,7 +636,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/alerts/' +
         commons.Escaper.ecapeVariable('$alertId');
@@ -692,8 +674,6 @@
     core.String locale,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -705,7 +685,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'accounts/' + commons.Escaper.ecapeVariable('$accountId') + '/alerts';
 
     final _response = await _requester.request(
@@ -753,8 +733,6 @@
     core.String customChannelId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -769,7 +747,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -819,8 +797,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -838,7 +814,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -899,8 +875,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -924,7 +898,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -966,8 +940,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -976,7 +948,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'accounts/' + commons.Escaper.ecapeVariable('$accountId') + '/payments';
 
     final _response = await _requester.request(
@@ -1083,8 +1055,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1128,7 +1098,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'accounts/' + commons.Escaper.ecapeVariable('$accountId') + '/reports';
 
     final _response = await _requester.request(
@@ -1190,8 +1160,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1212,7 +1180,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/reports/' +
         commons.Escaper.ecapeVariable('$savedReportId');
@@ -1256,8 +1224,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1272,7 +1238,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/reports/saved';
 
@@ -1315,8 +1281,6 @@
     core.String savedAdStyleId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1328,7 +1292,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/savedadstyles/' +
         commons.Escaper.ecapeVariable('$savedAdStyleId');
@@ -1372,8 +1336,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1388,7 +1350,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/savedadstyles';
 
@@ -1442,8 +1404,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1461,7 +1421,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -1509,8 +1469,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (maxResults != null) {
       _queryParams['maxResults'] = ['${maxResults}'];
@@ -1522,7 +1480,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients';
+    const _url = 'adclients';
 
     final _response = await _requester.request(
       _url,
@@ -1564,8 +1522,6 @@
     core.String adUnitId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (adClientId == null) {
       throw core.ArgumentError('Parameter adClientId is required.');
     }
@@ -1577,7 +1533,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/adunits/' +
         commons.Escaper.ecapeVariable('$adUnitId');
@@ -1613,8 +1569,6 @@
     core.String adUnitId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (adClientId == null) {
       throw core.ArgumentError('Parameter adClientId is required.');
     }
@@ -1626,7 +1580,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/adunits/' +
         commons.Escaper.ecapeVariable('$adUnitId') +
@@ -1673,8 +1627,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (adClientId == null) {
       throw core.ArgumentError('Parameter adClientId is required.');
     }
@@ -1692,7 +1644,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/adunits';
 
@@ -1744,8 +1696,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (adClientId == null) {
       throw core.ArgumentError('Parameter adClientId is required.');
     }
@@ -1763,7 +1713,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/adunits/' +
         commons.Escaper.ecapeVariable('$adUnitId') +
@@ -1802,8 +1752,6 @@
     core.String alertId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (alertId == null) {
       throw core.ArgumentError('Parameter alertId is required.');
     }
@@ -1812,7 +1760,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'alerts/' + commons.Escaper.ecapeVariable('$alertId');
+    final _url = 'alerts/' + commons.Escaper.ecapeVariable('$alertId');
 
     await _requester.request(
       _url,
@@ -1844,8 +1792,6 @@
     core.String locale,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (locale != null) {
       _queryParams['locale'] = [locale];
@@ -1854,7 +1800,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'alerts';
+    const _url = 'alerts';
 
     final _response = await _requester.request(
       _url,
@@ -1896,8 +1842,6 @@
     core.String customChannelId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (adClientId == null) {
       throw core.ArgumentError('Parameter adClientId is required.');
     }
@@ -1909,7 +1853,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/customchannels/' +
         commons.Escaper.ecapeVariable('$customChannelId');
@@ -1954,8 +1898,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (adClientId == null) {
       throw core.ArgumentError('Parameter adClientId is required.');
     }
@@ -1970,7 +1912,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/customchannels';
 
@@ -2026,8 +1968,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (adClientId == null) {
       throw core.ArgumentError('Parameter adClientId is required.');
     }
@@ -2048,7 +1988,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/customchannels/' +
         commons.Escaper.ecapeVariable('$customChannelId') +
@@ -2095,14 +2035,12 @@
   async.Future<Metadata> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'metadata/dimensions';
+    const _url = 'metadata/dimensions';
 
     final _response = await _requester.request(
       _url,
@@ -2135,14 +2073,12 @@
   async.Future<Metadata> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'metadata/metrics';
+    const _url = 'metadata/metrics';
 
     final _response = await _requester.request(
       _url,
@@ -2175,14 +2111,12 @@
   async.Future<Payments> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'payments';
+    const _url = 'payments';
 
     final _response = await _requester.request(
       _url,
@@ -2287,8 +2221,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (startDate == null) {
       throw core.ArgumentError('Parameter startDate is required.');
@@ -2332,7 +2264,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'reports';
+    const _url = 'reports';
 
     final _response = await _requester.request(
       _url,
@@ -2389,8 +2321,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (savedReportId == null) {
       throw core.ArgumentError('Parameter savedReportId is required.');
     }
@@ -2408,7 +2338,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'reports/' + commons.Escaper.ecapeVariable('$savedReportId');
+    final _url = 'reports/' + commons.Escaper.ecapeVariable('$savedReportId');
 
     final _response = await _requester.request(
       _url,
@@ -2446,8 +2376,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (maxResults != null) {
       _queryParams['maxResults'] = ['${maxResults}'];
@@ -2459,7 +2387,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'reports/saved';
+    const _url = 'reports/saved';
 
     final _response = await _requester.request(
       _url,
@@ -2496,8 +2424,6 @@
     core.String savedAdStyleId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (savedAdStyleId == null) {
       throw core.ArgumentError('Parameter savedAdStyleId is required.');
     }
@@ -2506,7 +2432,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'savedadstyles/' + commons.Escaper.ecapeVariable('$savedAdStyleId');
+    final _url =
+        'savedadstyles/' + commons.Escaper.ecapeVariable('$savedAdStyleId');
 
     final _response = await _requester.request(
       _url,
@@ -2544,8 +2471,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (maxResults != null) {
       _queryParams['maxResults'] = ['${maxResults}'];
@@ -2557,7 +2482,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'savedadstyles';
+    const _url = 'savedadstyles';
 
     final _response = await _requester.request(
       _url,
@@ -2604,8 +2529,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (adClientId == null) {
       throw core.ArgumentError('Parameter adClientId is required.');
     }
@@ -2620,7 +2543,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/urlchannels';
 

generated/googleapis/lib/adsensehost/v4_1.dart

diff --git a/generated/googleapis/lib/adsensehost/v4_1.dart b/generated/googleapis/lib/adsensehost/v4_1.dart
index 0ee25cc..71f07d9 100644
--- a/generated/googleapis/lib/adsensehost/v4_1.dart
+++ b/generated/googleapis/lib/adsensehost/v4_1.dart
@@ -100,8 +100,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -110,7 +108,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' + commons.Escaper.ecapeVariable('$accountId');
+    final _url = 'accounts/' + commons.Escaper.ecapeVariable('$accountId');
 
     final _response = await _requester.request(
       _url,
@@ -140,8 +138,6 @@
     core.List<core.String> filterAdClientId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filterAdClientId == null || filterAdClientId.isEmpty) {
       throw core.ArgumentError('Parameter filterAdClientId is required.');
@@ -151,7 +147,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts';
+    const _url = 'accounts';
 
     final _response = await _requester.request(
       _url,
@@ -191,8 +187,6 @@
     core.String adClientId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -204,7 +198,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId');
@@ -247,8 +241,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -263,7 +255,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients';
 
@@ -307,8 +299,6 @@
     core.String adUnitId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -323,7 +313,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -364,8 +354,6 @@
     core.String adUnitId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -380,7 +368,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -425,8 +413,6 @@
     core.List<core.String> hostCustomChannelId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -444,7 +430,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -486,8 +472,6 @@
     core.String adClientId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -503,7 +487,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -554,8 +538,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -576,7 +558,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -621,8 +603,6 @@
     core.String adUnitId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -642,7 +622,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -683,8 +663,6 @@
     core.String adClientId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -700,7 +678,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'accounts/' +
+    final _url = 'accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
@@ -788,8 +766,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -827,7 +803,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'accounts/' + commons.Escaper.ecapeVariable('$accountId') + '/reports';
 
     final _response = await _requester.request(
@@ -864,8 +840,6 @@
     core.String adClientId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (adClientId == null) {
       throw core.ArgumentError('Parameter adClientId is required.');
     }
@@ -874,7 +848,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' + commons.Escaper.ecapeVariable('$adClientId');
+    final _url = 'adclients/' + commons.Escaper.ecapeVariable('$adClientId');
 
     final _response = await _requester.request(
       _url,
@@ -911,8 +885,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (maxResults != null) {
       _queryParams['maxResults'] = ['${maxResults}'];
@@ -924,7 +896,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients';
+    const _url = 'adclients';
 
     final _response = await _requester.request(
       _url,
@@ -976,8 +948,6 @@
     core.String websiteLocale,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (productCode == null || productCode.isEmpty) {
       throw core.ArgumentError('Parameter productCode is required.');
@@ -1000,7 +970,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'associationsessions/start';
+    const _url = 'associationsessions/start';
 
     final _response = await _requester.request(
       _url,
@@ -1032,8 +1002,6 @@
     core.String token, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (token == null) {
       throw core.ArgumentError('Parameter token is required.');
@@ -1043,7 +1011,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'associationsessions/verify';
+    const _url = 'associationsessions/verify';
 
     final _response = await _requester.request(
       _url,
@@ -1083,8 +1051,6 @@
     core.String customChannelId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (adClientId == null) {
       throw core.ArgumentError('Parameter adClientId is required.');
     }
@@ -1096,7 +1062,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/customchannels/' +
         commons.Escaper.ecapeVariable('$customChannelId');
@@ -1133,8 +1099,6 @@
     core.String customChannelId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (adClientId == null) {
       throw core.ArgumentError('Parameter adClientId is required.');
     }
@@ -1146,7 +1110,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/customchannels/' +
         commons.Escaper.ecapeVariable('$customChannelId');
@@ -1183,8 +1147,6 @@
     core.String adClientId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1197,7 +1159,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/customchannels';
 
@@ -1241,8 +1203,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (adClientId == null) {
       throw core.ArgumentError('Parameter adClientId is required.');
     }
@@ -1257,7 +1217,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/customchannels';
 
@@ -1298,8 +1258,6 @@
     core.String customChannelId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1316,7 +1274,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/customchannels';
 
@@ -1353,8 +1311,6 @@
     core.String adClientId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1367,7 +1323,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/customchannels';
 
@@ -1451,8 +1407,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (startDate == null) {
       throw core.ArgumentError('Parameter startDate is required.');
@@ -1487,7 +1441,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'reports';
+    const _url = 'reports';
 
     final _response = await _requester.request(
       _url,
@@ -1526,8 +1480,6 @@
     core.String urlChannelId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (adClientId == null) {
       throw core.ArgumentError('Parameter adClientId is required.');
     }
@@ -1539,7 +1491,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/urlchannels/' +
         commons.Escaper.ecapeVariable('$urlChannelId');
@@ -1576,8 +1528,6 @@
     core.String adClientId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1590,7 +1540,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/urlchannels';
 
@@ -1634,8 +1584,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (adClientId == null) {
       throw core.ArgumentError('Parameter adClientId is required.');
     }
@@ -1650,7 +1598,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'adclients/' +
+    final _url = 'adclients/' +
         commons.Escaper.ecapeVariable('$adClientId') +
         '/urlchannels';
 

generated/googleapis/lib/analytics/v3.dart

diff --git a/generated/googleapis/lib/analytics/v3.dart b/generated/googleapis/lib/analytics/v3.dart
index a4e363b..37fce23 100644
--- a/generated/googleapis/lib/analytics/v3.dart
+++ b/generated/googleapis/lib/analytics/v3.dart
@@ -220,8 +220,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (ids == null) {
       throw core.ArgumentError('Parameter ids is required.');
@@ -270,7 +268,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'data/ga';
+    const _url = 'data/ga';
 
     final _response = await _requester.request(
       _url,
@@ -359,8 +357,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (ids == null) {
       throw core.ArgumentError('Parameter ids is required.');
@@ -400,7 +396,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'data/mcf';
+    const _url = 'data/mcf';
 
     final _response = await _requester.request(
       _url,
@@ -461,8 +457,6 @@
     core.String sort,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (ids == null) {
       throw core.ArgumentError('Parameter ids is required.');
@@ -488,7 +482,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'data/realtime';
+    const _url = 'data/realtime';
 
     final _response = await _requester.request(
       _url,
@@ -578,8 +572,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (maxResults != null) {
       _queryParams['max-results'] = ['${maxResults}'];
@@ -591,7 +583,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accountSummaries';
+    const _url = 'management/accountSummaries';
 
     final _response = await _requester.request(
       _url,
@@ -630,8 +622,6 @@
     core.String linkId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -643,7 +633,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/entityUserLinks/' +
         commons.Escaper.ecapeVariable('$linkId');
@@ -679,8 +669,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -693,7 +681,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/entityUserLinks';
 
@@ -736,8 +724,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -752,7 +738,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/entityUserLinks';
 
@@ -791,8 +777,6 @@
     core.String linkId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -808,7 +792,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/entityUserLinks/' +
         commons.Escaper.ecapeVariable('$linkId');
@@ -853,8 +837,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (maxResults != null) {
       _queryParams['max-results'] = ['${maxResults}'];
@@ -866,7 +848,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts';
+    const _url = 'management/accounts';
 
     final _response = await _requester.request(
       _url,
@@ -902,8 +884,6 @@
     HashClientIdRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -913,7 +893,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/clientId:hashClientId';
+    const _url = 'management/clientId:hashClientId';
 
     final _response = await _requester.request(
       _url,
@@ -966,8 +946,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -985,7 +963,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -1033,8 +1011,6 @@
     core.String customDimensionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1049,7 +1025,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -1091,8 +1067,6 @@
     core.String webPropertyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1108,7 +1082,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -1155,8 +1129,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1174,7 +1146,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -1226,8 +1198,6 @@
     core.bool ignoreCustomDataSourceLinks,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1251,7 +1221,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -1303,8 +1273,6 @@
     core.bool ignoreCustomDataSourceLinks,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1328,7 +1296,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -1378,8 +1346,6 @@
     core.String customMetricId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1394,7 +1360,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -1436,8 +1402,6 @@
     core.String webPropertyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1453,7 +1417,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -1500,8 +1464,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1519,7 +1481,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -1570,8 +1532,6 @@
     core.bool ignoreCustomDataSourceLinks,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1595,7 +1555,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -1646,8 +1606,6 @@
     core.bool ignoreCustomDataSourceLinks,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1671,7 +1629,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -1722,8 +1680,6 @@
     core.String experimentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1741,7 +1697,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -1787,8 +1743,6 @@
     core.String experimentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1806,7 +1760,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -1853,8 +1807,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1873,7 +1825,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -1928,8 +1880,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1950,7 +1900,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -2001,8 +1951,6 @@
     core.String experimentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2024,7 +1972,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -2075,8 +2023,6 @@
     core.String experimentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2098,7 +2044,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -2146,8 +2092,6 @@
     core.String filterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2159,7 +2103,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/filters/' +
         commons.Escaper.ecapeVariable('$filterId');
@@ -2195,8 +2139,6 @@
     core.String filterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2208,7 +2150,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/filters/' +
         commons.Escaper.ecapeVariable('$filterId');
@@ -2244,8 +2186,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2258,7 +2198,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/filters';
 
@@ -2299,8 +2239,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2315,7 +2253,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/filters';
 
@@ -2355,8 +2293,6 @@
     core.String filterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2372,7 +2308,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/filters/' +
         commons.Escaper.ecapeVariable('$filterId');
@@ -2412,8 +2348,6 @@
     core.String filterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2429,7 +2363,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/filters/' +
         commons.Escaper.ecapeVariable('$filterId');
@@ -2478,8 +2412,6 @@
     core.String goalId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2497,7 +2429,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -2543,8 +2475,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2563,7 +2493,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -2619,8 +2549,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2641,7 +2569,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -2691,8 +2619,6 @@
     core.String goalId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2714,7 +2640,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -2764,8 +2690,6 @@
     core.String goalId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2787,7 +2711,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -2844,8 +2768,6 @@
     core.String linkId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2863,7 +2785,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -2913,8 +2835,6 @@
     core.String linkId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2932,7 +2852,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -2982,8 +2902,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3002,7 +2920,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -3059,8 +2977,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -3081,7 +2997,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -3136,8 +3052,6 @@
     core.String linkId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3159,7 +3073,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -3214,8 +3128,6 @@
     core.String linkId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3237,7 +3149,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -3290,8 +3202,6 @@
     core.String linkId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -3309,7 +3219,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -3355,8 +3265,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3375,7 +3283,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -3432,8 +3340,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -3454,7 +3360,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -3503,8 +3409,6 @@
     core.String linkId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3526,7 +3430,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -3575,8 +3479,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -3591,7 +3493,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -3635,8 +3537,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -3651,7 +3551,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -3692,8 +3592,6 @@
     core.String webPropertyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3709,7 +3607,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -3759,8 +3657,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -3778,7 +3674,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -3823,8 +3719,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3843,7 +3737,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -3888,8 +3782,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3908,7 +3800,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -3956,8 +3848,6 @@
     core.String remarketingAudienceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -3972,7 +3862,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -4014,8 +3904,6 @@
     core.String remarketingAudienceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -4030,7 +3918,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -4073,8 +3961,6 @@
     core.String webPropertyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4090,7 +3976,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -4141,8 +4027,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -4163,7 +4047,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -4210,8 +4094,6 @@
     core.String remarketingAudienceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4230,7 +4112,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -4277,8 +4159,6 @@
     core.String remarketingAudienceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4297,7 +4177,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -4344,8 +4224,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (maxResults != null) {
       _queryParams['max-results'] = ['${maxResults}'];
@@ -4357,7 +4235,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/segments';
+    const _url = 'management/segments';
 
     final _response = await _requester.request(
       _url,
@@ -4401,8 +4279,6 @@
     core.String unsampledReportId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -4420,7 +4296,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -4466,8 +4342,6 @@
     core.String unsampledReportId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -4485,7 +4359,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -4532,8 +4406,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4552,7 +4424,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -4608,8 +4480,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -4630,7 +4500,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -4684,8 +4554,6 @@
     core.String customDataSourceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4704,7 +4572,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -4754,8 +4622,6 @@
     core.String uploadId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -4773,7 +4639,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -4826,8 +4692,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -4848,7 +4712,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -4901,8 +4765,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -4917,6 +4779,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'management/accounts/' +
           commons.Escaper.ecapeVariable('$accountId') +
@@ -4984,8 +4847,6 @@
     core.String webPropertyAdWordsLinkId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -5001,7 +4862,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -5042,8 +4903,6 @@
     core.String webPropertyAdWordsLinkId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -5059,7 +4918,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -5101,8 +4960,6 @@
     core.String webPropertyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5118,7 +4975,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -5167,8 +5024,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -5186,7 +5041,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -5232,8 +5087,6 @@
     core.String webPropertyAdWordsLinkId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5253,7 +5106,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -5299,8 +5152,6 @@
     core.String webPropertyAdWordsLinkId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5320,7 +5171,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -5369,8 +5220,6 @@
     core.String webPropertyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -5382,7 +5231,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId');
@@ -5422,8 +5271,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5436,7 +5283,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties';
 
@@ -5480,8 +5327,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -5496,7 +5341,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties';
 
@@ -5537,8 +5382,6 @@
     core.String webPropertyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5554,7 +5397,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId');
@@ -5595,8 +5438,6 @@
     core.String webPropertyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5612,7 +5453,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId');
@@ -5658,8 +5499,6 @@
     core.String linkId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -5674,7 +5513,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -5715,8 +5554,6 @@
     core.String webPropertyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5732,7 +5569,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -5782,8 +5619,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -5801,7 +5636,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -5845,8 +5680,6 @@
     core.String linkId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5865,7 +5698,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'management/accounts/' +
+    final _url = 'management/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/webproperties/' +
         commons.Escaper.ecapeVariable('$webPropertyId') +
@@ -5918,8 +5751,6 @@
     core.String reportType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (reportType == null) {
       throw core.ArgumentError('Parameter reportType is required.');
     }
@@ -5928,7 +5759,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'metadata/' + commons.Escaper.ecapeVariable('$reportType') + '/columns';
 
     final _response = await _requester.request(
@@ -5965,8 +5796,6 @@
     AccountTicket request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5976,7 +5805,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'provisioning/createAccountTicket';
+    const _url = 'provisioning/createAccountTicket';
 
     final _response = await _requester.request(
       _url,
@@ -6008,8 +5837,6 @@
     AccountTreeRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6019,7 +5846,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'provisioning/createAccountTree';
+    const _url = 'provisioning/createAccountTree';
 
     final _response = await _requester.request(
       _url,
@@ -6067,8 +5894,6 @@
     UserDeletionRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6078,7 +5903,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userDeletion/userDeletionRequests:upsert';
+    const _url = 'userDeletion/userDeletionRequests:upsert';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/analyticsreporting/v4.dart

diff --git a/generated/googleapis/lib/analyticsreporting/v4.dart b/generated/googleapis/lib/analyticsreporting/v4.dart
index ca7ca6c..de5e923 100644
--- a/generated/googleapis/lib/analyticsreporting/v4.dart
+++ b/generated/googleapis/lib/analyticsreporting/v4.dart
@@ -85,8 +85,6 @@
     GetReportsRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -96,7 +94,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/reports:batchGet';
+    const _url = 'v4/reports:batchGet';
 
     final _response = await _requester.request(
       _url,
@@ -134,8 +132,6 @@
     SearchUserActivityRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -145,7 +141,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/userActivity:search';
+    const _url = 'v4/userActivity:search';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/androiddeviceprovisioning/v1.dart

diff --git a/generated/googleapis/lib/androiddeviceprovisioning/v1.dart b/generated/googleapis/lib/androiddeviceprovisioning/v1.dart
index ff1a978..c53c1ee 100644
--- a/generated/googleapis/lib/androiddeviceprovisioning/v1.dart
+++ b/generated/googleapis/lib/androiddeviceprovisioning/v1.dart
@@ -99,8 +99,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -112,7 +110,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/customers';
+    const _url = 'v1/customers';
 
     final _response = await _requester.request(
       _url,
@@ -157,8 +155,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -171,7 +167,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/configurations';
 
@@ -211,8 +207,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -221,7 +215,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -253,8 +247,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -263,7 +255,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -296,8 +288,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -306,7 +296,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/configurations';
 
@@ -352,8 +342,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -369,7 +357,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -416,8 +404,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -430,7 +416,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/devices:applyConfiguration';
 
@@ -465,8 +451,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -475,7 +459,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -514,8 +498,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -530,7 +512,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/devices';
 
     final _response = await _requester.request(
@@ -567,8 +549,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -581,7 +561,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/devices:removeConfiguration';
 
@@ -623,8 +603,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -637,7 +615,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/devices:unclaim';
 
@@ -679,8 +657,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -689,7 +665,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/dpcs';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/dpcs';
 
     final _response = await _requester.request(
       _url,
@@ -730,8 +707,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -740,7 +715,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -797,8 +772,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -811,7 +784,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/customers';
 
     final _response = await _requester.request(
@@ -856,8 +829,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (partnerId == null) {
       throw core.ArgumentError('Parameter partnerId is required.');
     }
@@ -872,7 +843,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/customers';
 
@@ -918,8 +889,6 @@
     core.String partnerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -932,7 +901,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/devices:claim';
 
@@ -974,8 +943,6 @@
     core.String partnerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -988,7 +955,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/devices:claimAsync';
 
@@ -1025,8 +992,6 @@
     core.String partnerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1039,7 +1004,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/devices:findByIdentifier';
 
@@ -1081,8 +1046,6 @@
     core.String partnerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1095,7 +1058,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/devices:findByOwner';
 
@@ -1131,8 +1094,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1141,7 +1102,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1180,8 +1141,6 @@
     core.String deviceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1197,7 +1156,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$metadataOwnerId') +
         '/devices/' +
         commons.Escaper.ecapeVariableReserved('$deviceId') +
@@ -1238,8 +1197,6 @@
     core.String partnerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1252,7 +1209,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/devices:unclaim';
 
@@ -1293,8 +1250,6 @@
     core.String partnerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1307,7 +1262,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/devices:unclaimAsync';
 
@@ -1348,8 +1303,6 @@
     core.String partnerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1362,7 +1315,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/devices:updateMetadataAsync';
 
@@ -1413,8 +1366,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1429,7 +1380,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/vendors';
 
     final _response = await _requester.request(
@@ -1477,8 +1428,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1493,7 +1442,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/customers';
 
     final _response = await _requester.request(

generated/googleapis/lib/androidenterprise/v1.dart

diff --git a/generated/googleapis/lib/androidenterprise/v1.dart b/generated/googleapis/lib/androidenterprise/v1.dart
index e45fac2..d90204d 100644
--- a/generated/googleapis/lib/androidenterprise/v1.dart
+++ b/generated/googleapis/lib/androidenterprise/v1.dart
@@ -126,8 +126,6 @@
     core.String deviceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -142,7 +140,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -184,8 +182,6 @@
     core.String deviceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -200,7 +196,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -247,8 +243,6 @@
     core.String deviceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -263,7 +257,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -303,8 +297,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -316,7 +308,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -365,8 +357,6 @@
     core.String deviceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -385,7 +375,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -442,8 +432,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -465,7 +453,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -508,8 +496,6 @@
     core.String notificationSetId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (notificationSetId != null) {
       _queryParams['notificationSetId'] = [notificationSetId];
@@ -518,7 +504,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/acknowledgeNotificationSet';
+    const _url = 'androidenterprise/v1/enterprises/acknowledgeNotificationSet';
 
     await _requester.request(
       _url,
@@ -556,8 +542,6 @@
     core.String enterpriseToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (completionToken != null) {
       _queryParams['completionToken'] = [completionToken];
@@ -569,7 +553,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/completeSignup';
+    const _url = 'androidenterprise/v1/enterprises/completeSignup';
 
     final _response = await _requester.request(
       _url,
@@ -607,8 +591,6 @@
     core.String enterpriseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -621,7 +603,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/createWebToken';
 
@@ -659,8 +641,6 @@
     core.String token, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -674,7 +654,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/enroll';
+    const _url = 'androidenterprise/v1/enterprises/enroll';
 
     final _response = await _requester.request(
       _url,
@@ -713,8 +693,6 @@
     core.String callbackUrl,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (callbackUrl != null) {
       _queryParams['callbackUrl'] = [callbackUrl];
@@ -723,7 +701,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/signupUrl';
+    const _url = 'androidenterprise/v1/enterprises/signupUrl';
 
     final _response = await _requester.request(
       _url,
@@ -754,8 +732,6 @@
     core.String enterpriseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -764,7 +740,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId');
 
     final _response = await _requester.request(
@@ -818,8 +794,6 @@
     core.String keyType,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -831,7 +805,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/serviceAccount';
 
@@ -867,8 +841,6 @@
     core.String enterpriseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -877,7 +849,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/storeLayout';
 
@@ -916,8 +888,6 @@
     core.String domain, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (domain == null) {
       throw core.ArgumentError('Parameter domain is required.');
@@ -927,7 +897,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises';
+    const _url = 'androidenterprise/v1/enterprises';
 
     final _response = await _requester.request(
       _url,
@@ -983,8 +953,6 @@
     core.String requestMode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (requestMode != null) {
       _queryParams['requestMode'] = [requestMode];
@@ -993,7 +961,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/pullNotificationSet';
+    const _url = 'androidenterprise/v1/enterprises/pullNotificationSet';
 
     final _response = await _requester.request(
       _url,
@@ -1026,8 +994,6 @@
     core.String enterpriseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -1036,7 +1002,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/sendTestPushNotification';
 
@@ -1073,8 +1039,6 @@
     core.String enterpriseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1087,7 +1051,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/account';
 
@@ -1132,8 +1096,6 @@
     core.String enterpriseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1146,7 +1108,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/storeLayout';
 
@@ -1178,8 +1140,6 @@
     core.String enterpriseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -1188,7 +1148,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/unenroll';
 
@@ -1231,8 +1191,6 @@
     core.String entitlementId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -1247,7 +1205,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -1289,8 +1247,6 @@
     core.String entitlementId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -1305,7 +1261,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -1346,8 +1302,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -1359,7 +1313,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -1410,8 +1364,6 @@
     core.bool install,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1433,7 +1385,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -1480,8 +1432,6 @@
     core.String groupLicenseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -1493,7 +1443,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/groupLicenses/' +
         commons.Escaper.ecapeVariable('$groupLicenseId');
@@ -1528,8 +1478,6 @@
     core.String enterpriseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -1538,7 +1486,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/groupLicenses';
 
@@ -1582,8 +1530,6 @@
     core.String groupLicenseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -1595,7 +1541,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/groupLicenses/' +
         commons.Escaper.ecapeVariable('$groupLicenseId') +
@@ -1647,8 +1593,6 @@
     core.String installId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -1666,7 +1610,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -1713,8 +1657,6 @@
     core.String installId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -1732,7 +1674,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -1775,8 +1717,6 @@
     core.String deviceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -1791,7 +1731,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -1844,8 +1784,6 @@
     core.String installId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1867,7 +1805,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -1921,8 +1859,6 @@
     core.String managedConfigurationForDeviceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -1941,7 +1877,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -1988,8 +1924,6 @@
     core.String managedConfigurationForDeviceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -2008,7 +1942,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -2054,8 +1988,6 @@
     core.String deviceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -2070,7 +2002,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -2121,8 +2053,6 @@
     core.String managedConfigurationForDeviceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2145,7 +2075,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -2197,8 +2127,6 @@
     core.String managedConfigurationForUserId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -2214,7 +2142,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -2257,8 +2185,6 @@
     core.String managedConfigurationForUserId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -2274,7 +2200,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -2315,8 +2241,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -2328,7 +2252,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -2379,8 +2303,6 @@
     core.String managedConfigurationForUserId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2400,7 +2322,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -2448,8 +2370,6 @@
     core.String productId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -2461,7 +2381,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/products/' +
         commons.Escaper.ecapeVariable('$productId') +
@@ -2507,8 +2427,6 @@
     core.String language,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (permissionId == null) {
       throw core.ArgumentError('Parameter permissionId is required.');
     }
@@ -2520,7 +2438,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/permissions/' +
+    final _url = 'androidenterprise/v1/permissions/' +
         commons.Escaper.ecapeVariable('$permissionId');
 
     final _response = await _requester.request(
@@ -2567,8 +2485,6 @@
     core.String productId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2584,7 +2500,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/products/' +
         commons.Escaper.ecapeVariable('$productId') +
@@ -2635,8 +2551,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -2651,7 +2565,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/products/' +
         commons.Escaper.ecapeVariable('$productId') +
@@ -2693,8 +2607,6 @@
     core.String language,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -2709,7 +2621,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/products/' +
         commons.Escaper.ecapeVariable('$productId');
@@ -2756,8 +2668,6 @@
     core.String language,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -2772,7 +2682,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/products/' +
         commons.Escaper.ecapeVariable('$productId') +
@@ -2810,8 +2720,6 @@
     core.String productId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -2823,7 +2731,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/products/' +
         commons.Escaper.ecapeVariable('$productId') +
@@ -2883,8 +2791,6 @@
     core.String token,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -2908,7 +2814,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/products';
 
@@ -2943,8 +2849,6 @@
     core.String productId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -2956,7 +2860,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/products/' +
         commons.Escaper.ecapeVariable('$productId') +
@@ -3002,8 +2906,6 @@
     core.String keyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -3015,7 +2917,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/serviceAccountKeys/' +
         commons.Escaper.ecapeVariable('$keyId');
@@ -3057,8 +2959,6 @@
     core.String enterpriseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3071,7 +2971,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/serviceAccountKeys';
 
@@ -3111,8 +3011,6 @@
     core.String enterpriseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -3121,7 +3019,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/serviceAccountKeys';
 
@@ -3165,8 +3063,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -3181,7 +3077,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/storeLayout/pages/' +
         commons.Escaper.ecapeVariable('$pageId') +
@@ -3222,8 +3118,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -3238,7 +3132,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/storeLayout/pages/' +
         commons.Escaper.ecapeVariable('$pageId') +
@@ -3280,8 +3174,6 @@
     core.String pageId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3297,7 +3189,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/storeLayout/pages/' +
         commons.Escaper.ecapeVariable('$pageId') +
@@ -3336,8 +3228,6 @@
     core.String pageId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -3349,7 +3239,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/storeLayout/pages/' +
         commons.Escaper.ecapeVariable('$pageId') +
@@ -3393,8 +3283,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3413,7 +3301,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/storeLayout/pages/' +
         commons.Escaper.ecapeVariable('$pageId') +
@@ -3457,8 +3345,6 @@
     core.String pageId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -3470,7 +3356,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/storeLayout/pages/' +
         commons.Escaper.ecapeVariable('$pageId');
@@ -3506,8 +3392,6 @@
     core.String pageId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -3519,7 +3403,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/storeLayout/pages/' +
         commons.Escaper.ecapeVariable('$pageId');
@@ -3555,8 +3439,6 @@
     core.String enterpriseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3569,7 +3451,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/storeLayout/pages';
 
@@ -3602,8 +3484,6 @@
     core.String enterpriseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -3612,7 +3492,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/storeLayout/pages';
 
@@ -3651,8 +3531,6 @@
     core.String pageId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3668,7 +3546,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/storeLayout/pages/' +
         commons.Escaper.ecapeVariable('$pageId');
@@ -3709,8 +3587,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -3722,7 +3598,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId');
@@ -3763,8 +3639,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -3776,7 +3650,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -3814,8 +3688,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -3827,7 +3699,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId');
@@ -3863,8 +3735,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -3876,7 +3746,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -3919,8 +3789,6 @@
     core.String enterpriseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3933,7 +3801,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users';
 
@@ -3974,8 +3842,6 @@
     core.String email, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -3988,7 +3854,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users';
 
@@ -4025,8 +3891,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -4038,7 +3902,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -4082,8 +3946,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4099,7 +3961,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId') +
@@ -4146,8 +4008,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4163,7 +4023,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/users/' +
         commons.Escaper.ecapeVariable('$userId');
@@ -4204,8 +4064,6 @@
     core.String webAppId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -4217,7 +4075,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/webApps/' +
         commons.Escaper.ecapeVariable('$webAppId');
@@ -4253,8 +4111,6 @@
     core.String webAppId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -4266,7 +4122,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/webApps/' +
         commons.Escaper.ecapeVariable('$webAppId');
@@ -4302,8 +4158,6 @@
     core.String enterpriseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4316,7 +4170,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/webApps';
 
@@ -4349,8 +4203,6 @@
     core.String enterpriseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (enterpriseId == null) {
       throw core.ArgumentError('Parameter enterpriseId is required.');
     }
@@ -4359,7 +4211,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/webApps';
 
@@ -4398,8 +4250,6 @@
     core.String webAppId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4415,7 +4265,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidenterprise/v1/enterprises/' +
+    final _url = 'androidenterprise/v1/enterprises/' +
         commons.Escaper.ecapeVariable('$enterpriseId') +
         '/webApps/' +
         commons.Escaper.ecapeVariable('$webAppId');

generated/googleapis/lib/androidmanagement/v1.dart

diff --git a/generated/googleapis/lib/androidmanagement/v1.dart b/generated/googleapis/lib/androidmanagement/v1.dart
index 4fe7d9e..b8d88fb 100644
--- a/generated/googleapis/lib/androidmanagement/v1.dart
+++ b/generated/googleapis/lib/androidmanagement/v1.dart
@@ -120,8 +120,6 @@
     core.String signupUrlName,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -143,7 +141,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/enterprises';
+    const _url = 'v1/enterprises';
 
     final _response = await _requester.request(
       _url,
@@ -179,8 +177,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -189,7 +185,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -221,8 +217,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -231,7 +225,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -283,8 +277,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -302,7 +294,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/enterprises';
+    const _url = 'v1/enterprises';
 
     final _response = await _requester.request(
       _url,
@@ -342,8 +334,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -359,7 +349,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -405,8 +395,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -418,7 +406,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -470,8 +458,6 @@
     core.String wipeReasonMessage,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -486,7 +472,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -518,8 +504,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -528,7 +512,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -566,8 +550,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -580,7 +562,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':issueCommand';
 
@@ -623,8 +605,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -639,7 +619,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/devices';
 
     final _response = await _requester.request(
@@ -680,8 +660,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -697,7 +675,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -746,8 +724,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -756,7 +732,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -792,8 +769,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -802,7 +777,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -837,8 +812,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -847,7 +820,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -897,8 +870,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -916,7 +887,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -959,8 +930,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -973,7 +942,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/enrollmentTokens';
 
@@ -1011,8 +980,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1021,7 +988,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1063,8 +1030,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1073,7 +1038,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1105,8 +1070,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1115,7 +1078,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1155,8 +1118,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1171,7 +1132,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/policies';
 
     final _response = await _requester.request(
@@ -1212,8 +1173,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1229,7 +1188,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1271,8 +1230,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1285,7 +1242,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/webApps';
 
     final _response = await _requester.request(
@@ -1319,8 +1276,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1329,7 +1284,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1361,8 +1316,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1371,7 +1324,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1411,8 +1364,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1427,7 +1378,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/webApps';
 
     final _response = await _requester.request(
@@ -1468,8 +1419,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1485,7 +1434,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1529,8 +1478,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1543,7 +1490,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/webTokens';
 
     final _response = await _requester.request(
@@ -1590,8 +1537,6 @@
     core.String projectId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (callbackUrl != null) {
       _queryParams['callbackUrl'] = [callbackUrl];
@@ -1603,7 +1548,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/signupUrls';
+    const _url = 'v1/signupUrls';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/androidpublisher/v3.dart

diff --git a/generated/googleapis/lib/androidpublisher/v3.dart b/generated/googleapis/lib/androidpublisher/v3.dart
index bd475b4..56eae3d 100644
--- a/generated/googleapis/lib/androidpublisher/v3.dart
+++ b/generated/googleapis/lib/androidpublisher/v3.dart
@@ -128,8 +128,6 @@
     core.String editId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -141,7 +139,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -176,8 +174,6 @@
     core.String editId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -189,7 +185,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId');
@@ -225,8 +221,6 @@
     core.String editId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -238,7 +232,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId');
@@ -274,8 +268,6 @@
     core.String packageName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -288,7 +280,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits';
 
@@ -324,8 +316,6 @@
     core.String editId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -337,7 +327,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -387,8 +377,6 @@
     core.String editId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -404,7 +392,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -443,8 +431,6 @@
     core.String editId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -456,7 +442,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -502,8 +488,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -515,6 +499,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'androidpublisher/v3/applications/' +
           commons.Escaper.ecapeVariable('$packageName') +
@@ -574,8 +559,6 @@
     core.String editId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -587,7 +570,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -644,8 +627,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -662,6 +643,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'androidpublisher/v3/applications/' +
           commons.Escaper.ecapeVariable('$packageName') +
@@ -742,8 +724,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -761,6 +741,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'androidpublisher/v3/applications/' +
           commons.Escaper.ecapeVariable('$packageName') +
@@ -830,8 +811,6 @@
     core.String editId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -843,7 +822,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -884,8 +863,6 @@
     core.String editId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -901,7 +878,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -943,8 +920,6 @@
     core.String editId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -960,7 +935,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -1018,8 +993,6 @@
     core.String expansionFileType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -1037,7 +1010,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -1096,8 +1069,6 @@
     core.String expansionFileType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1119,7 +1090,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -1179,8 +1150,6 @@
     core.String expansionFileType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1202,7 +1171,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -1264,8 +1233,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -1283,6 +1250,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'androidpublisher/v3/applications/' +
           commons.Escaper.ecapeVariable('$packageName') +
@@ -1371,8 +1339,6 @@
     core.String imageId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -1393,7 +1359,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -1456,8 +1422,6 @@
     core.String imageType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -1475,7 +1439,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -1537,8 +1501,6 @@
     core.String imageType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -1556,7 +1518,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -1624,8 +1586,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -1643,6 +1603,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'androidpublisher/v3/applications/' +
           commons.Escaper.ecapeVariable('$packageName') +
@@ -1714,8 +1675,6 @@
     core.String language, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -1730,7 +1689,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -1766,8 +1725,6 @@
     core.String editId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -1779,7 +1736,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -1820,8 +1777,6 @@
     core.String language, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -1836,7 +1791,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -1874,8 +1829,6 @@
     core.String editId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -1887,7 +1840,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -1932,8 +1885,6 @@
     core.String language, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1952,7 +1903,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -1998,8 +1949,6 @@
     core.String language, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2018,7 +1967,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -2066,8 +2015,6 @@
     core.String track, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -2082,7 +2029,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -2126,8 +2073,6 @@
     core.String track, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2146,7 +2091,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -2191,8 +2136,6 @@
     core.String track, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2211,7 +2154,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -2259,8 +2202,6 @@
     core.String track, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -2275,7 +2216,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -2313,8 +2254,6 @@
     core.String editId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -2326,7 +2265,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -2370,8 +2309,6 @@
     core.String track, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2390,7 +2327,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -2435,8 +2372,6 @@
     core.String track, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2455,7 +2390,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/edits/' +
         commons.Escaper.ecapeVariable('$editId') +
@@ -2498,8 +2433,6 @@
     core.String sku, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -2511,7 +2444,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/inappproducts/' +
         commons.Escaper.ecapeVariable('$sku');
@@ -2547,8 +2480,6 @@
     core.String sku, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -2560,7 +2491,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/inappproducts/' +
         commons.Escaper.ecapeVariable('$sku');
@@ -2603,8 +2534,6 @@
     core.bool autoConvertMissingPrices,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2622,7 +2551,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/inappproducts';
 
@@ -2665,8 +2594,6 @@
     core.String token,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -2684,7 +2611,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/inappproducts';
 
@@ -2729,8 +2656,6 @@
     core.bool autoConvertMissingPrices,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2751,7 +2676,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/inappproducts/' +
         commons.Escaper.ecapeVariable('$sku');
@@ -2798,8 +2723,6 @@
     core.bool autoConvertMissingPrices,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2820,7 +2743,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/inappproducts/' +
         commons.Escaper.ecapeVariable('$sku');
@@ -2876,8 +2799,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -2886,6 +2807,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'androidpublisher/v3/applications/internalappsharing/' +
           commons.Escaper.ecapeVariable('$packageName') +
@@ -2946,8 +2868,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -2956,6 +2876,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'androidpublisher/v3/applications/internalappsharing/' +
           commons.Escaper.ecapeVariable('$packageName') +
@@ -3018,8 +2939,6 @@
     core.bool revoke,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -3034,7 +2953,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -3097,8 +3016,6 @@
     core.String token, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3117,7 +3034,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/purchases/products/' +
         commons.Escaper.ecapeVariable('$productId') +
@@ -3163,8 +3080,6 @@
     core.String token, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -3179,7 +3094,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/purchases/products/' +
         commons.Escaper.ecapeVariable('$productId') +
@@ -3232,8 +3147,6 @@
     core.String token, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3252,7 +3165,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/purchases/subscriptions/' +
         commons.Escaper.ecapeVariable('$subscriptionId') +
@@ -3298,8 +3211,6 @@
     core.String token, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -3314,7 +3225,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/purchases/subscriptions/' +
         commons.Escaper.ecapeVariable('$subscriptionId') +
@@ -3363,8 +3274,6 @@
     core.String token, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3383,7 +3292,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/purchases/subscriptions/' +
         commons.Escaper.ecapeVariable('$subscriptionId') +
@@ -3431,8 +3340,6 @@
     core.String token, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -3447,7 +3354,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/purchases/subscriptions/' +
         commons.Escaper.ecapeVariable('$subscriptionId') +
@@ -3491,8 +3398,6 @@
     core.String token, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -3507,7 +3412,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/purchases/subscriptions/' +
         commons.Escaper.ecapeVariable('$subscriptionId') +
@@ -3553,8 +3458,6 @@
     core.String token, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -3569,7 +3472,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/purchases/subscriptions/' +
         commons.Escaper.ecapeVariable('$subscriptionId') +
@@ -3652,8 +3555,6 @@
     core.int type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -3680,7 +3581,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/purchases/voidedpurchases';
 
@@ -3725,8 +3626,6 @@
     core.String translationLanguage,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -3741,7 +3640,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/reviews/' +
         commons.Escaper.ecapeVariable('$reviewId');
@@ -3786,8 +3685,6 @@
     core.String translationLanguage,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -3808,7 +3705,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/reviews';
 
@@ -3847,8 +3744,6 @@
     core.String reviewId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3864,7 +3759,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/reviews/' +
         commons.Escaper.ecapeVariable('$reviewId') +
@@ -3922,8 +3817,6 @@
     core.String versionCode, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3939,7 +3832,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/systemApks/' +
         commons.Escaper.ecapeVariable('$versionCode') +
@@ -3984,8 +3877,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -4000,7 +3891,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/systemApks/' +
         commons.Escaper.ecapeVariable('$versionCode') +
@@ -4048,8 +3939,6 @@
     core.int variantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -4064,7 +3953,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/systemApks/' +
         commons.Escaper.ecapeVariable('$versionCode') +
@@ -4102,8 +3991,6 @@
     core.String versionCode, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (packageName == null) {
       throw core.ArgumentError('Parameter packageName is required.');
     }
@@ -4115,7 +4002,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'androidpublisher/v3/applications/' +
+    final _url = 'androidpublisher/v3/applications/' +
         commons.Escaper.ecapeVariable('$packageName') +
         '/systemApks/' +
         commons.Escaper.ecapeVariable('$versionCode') +

generated/googleapis/lib/apigateway/v1.dart

diff --git a/generated/googleapis/lib/apigateway/v1.dart b/generated/googleapis/lib/apigateway/v1.dart
index df7a925..b2e6a04 100644
--- a/generated/googleapis/lib/apigateway/v1.dart
+++ b/generated/googleapis/lib/apigateway/v1.dart
@@ -98,8 +98,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -108,7 +106,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -149,8 +147,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -168,7 +164,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -219,8 +215,6 @@
     core.String apiId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -236,7 +230,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/apis';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/apis';
 
     final _response = await _requester.request(
       _url,
@@ -271,8 +266,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -281,7 +274,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -315,8 +308,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -325,7 +316,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -372,8 +363,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -387,7 +376,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -434,8 +423,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -456,7 +443,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/apis';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/apis';
 
     final _response = await _requester.request(
       _url,
@@ -500,8 +488,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -517,7 +503,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -559,8 +545,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -573,7 +557,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -619,8 +603,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -633,7 +615,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -684,8 +666,6 @@
     core.String apiConfigId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -701,7 +681,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/configs';
 
     final _response = await _requester.request(
@@ -737,8 +717,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -747,7 +725,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -789,8 +767,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -802,7 +778,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -849,8 +825,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -864,7 +838,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -912,8 +886,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -934,7 +906,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/configs';
 
     final _response = await _requester.request(
@@ -979,8 +951,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -996,7 +966,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1038,8 +1008,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1052,7 +1020,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1098,8 +1066,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1112,7 +1078,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -1162,8 +1128,6 @@
     core.String gatewayId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1179,7 +1143,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/gateways';
 
     final _response = await _requester.request(
@@ -1215,8 +1179,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1225,7 +1187,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1259,8 +1221,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1269,7 +1229,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1316,8 +1276,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -1331,7 +1289,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -1378,8 +1336,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1400,7 +1356,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/gateways';
 
     final _response = await _requester.request(
@@ -1445,8 +1401,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1462,7 +1416,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1504,8 +1458,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1518,7 +1470,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1564,8 +1516,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1578,7 +1528,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -1633,8 +1583,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1647,7 +1595,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -1684,8 +1633,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1694,7 +1641,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1729,8 +1676,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1739,7 +1684,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1789,8 +1734,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1808,7 +1751,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(

generated/googleapis/lib/apigee/v1.dart

diff --git a/generated/googleapis/lib/apigee/v1.dart b/generated/googleapis/lib/apigee/v1.dart
index 0a0bc89..8791788 100644
--- a/generated/googleapis/lib/apigee/v1.dart
+++ b/generated/googleapis/lib/apigee/v1.dart
@@ -169,8 +169,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -179,7 +177,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -259,8 +257,6 @@
     core.String parent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -273,7 +269,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/organizations';
+    const _url = 'v1/organizations';
 
     final _response = await _requester.request(
       _url,
@@ -309,8 +305,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -319,7 +313,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -355,8 +349,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -365,7 +357,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -412,8 +404,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -425,7 +415,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -470,8 +460,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -484,7 +472,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':getSyncAuthorization';
 
@@ -524,8 +512,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -534,7 +520,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent');
 
     final _response = await _requester.request(
       _url,
@@ -580,8 +566,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -594,7 +578,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':setSyncAuthorization';
 
@@ -635,8 +619,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -649,7 +631,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -703,8 +685,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -717,7 +697,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/analytics/datastores';
 
@@ -754,8 +734,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -764,7 +742,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -798,8 +776,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -808,7 +784,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -845,8 +821,6 @@
     core.String targetType,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -858,7 +832,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/analytics/datastores';
 
@@ -899,8 +873,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -913,7 +885,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/analytics/datastores:test';
 
@@ -953,8 +925,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -967,7 +937,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1025,8 +995,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1039,7 +1007,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/attributes';
 
     final _response = await _requester.request(
@@ -1096,8 +1064,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1110,7 +1076,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/apiproducts';
 
@@ -1155,8 +1121,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1165,7 +1129,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1203,8 +1167,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1213,7 +1175,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1272,8 +1234,6 @@
     core.String startKey,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1297,7 +1257,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/apiproducts';
 
@@ -1342,8 +1302,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1356,7 +1314,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1399,8 +1357,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1409,7 +1365,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1444,8 +1400,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1454,7 +1408,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1487,8 +1441,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1497,7 +1449,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/attributes';
 
@@ -1543,8 +1495,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1557,7 +1507,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1637,8 +1587,6 @@
     core.bool validate,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1660,7 +1608,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/apis';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/apis';
 
     final _response = await _requester.request(
       _url,
@@ -1697,8 +1646,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1707,7 +1654,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1740,8 +1687,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1750,7 +1695,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1794,8 +1739,6 @@
     core.bool includeRevisions,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1810,7 +1753,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/apis';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/apis';
 
     final _response = await _requester.request(
       _url,
@@ -1850,8 +1794,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1860,7 +1802,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deployments';
 
@@ -1906,8 +1848,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1920,7 +1860,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/keyvaluemaps';
 
@@ -1957,8 +1897,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1967,7 +1905,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2014,8 +1952,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2024,7 +1960,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2071,8 +2007,6 @@
     core.String format,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2084,7 +2018,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2131,8 +2065,6 @@
     core.bool validate,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2148,7 +2080,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2191,8 +2123,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2201,7 +2131,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deployments';
 
@@ -2242,8 +2172,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2252,7 +2180,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2319,8 +2247,6 @@
     core.String status,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2356,7 +2282,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/apps';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/apps';
 
     final _response = await _requester.request(
       _url,
@@ -2403,8 +2330,6 @@
     core.String dataCollectorId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2420,7 +2345,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/datacollectors';
 
@@ -2456,8 +2381,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2466,7 +2389,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2499,8 +2422,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2509,7 +2430,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2550,8 +2471,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2566,7 +2485,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/datacollectors';
 
@@ -2607,8 +2526,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2624,7 +2541,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2671,8 +2588,6 @@
     core.bool sharedFlows,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2684,7 +2599,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deployments';
 
@@ -2745,8 +2660,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2759,7 +2672,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/attributes';
 
@@ -2803,8 +2716,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2817,7 +2728,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/developers';
 
@@ -2862,8 +2773,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2872,7 +2781,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2913,8 +2822,6 @@
     core.String action,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2926,7 +2833,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2994,8 +2901,6 @@
     core.String startKey,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3022,7 +2927,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/developers';
 
@@ -3070,8 +2975,6 @@
     core.String action,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3083,7 +2986,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3130,8 +3033,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3144,7 +3045,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3198,8 +3099,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3212,7 +3111,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/attributes';
 
     final _response = await _requester.request(
@@ -3257,8 +3156,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3271,7 +3168,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/apps';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/apps';
 
     final _response = await _requester.request(
       _url,
@@ -3312,8 +3210,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3322,7 +3218,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3388,8 +3284,6 @@
     core.String action,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3405,7 +3299,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3453,8 +3347,6 @@
     core.String query,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3469,7 +3361,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3529,8 +3421,6 @@
     core.String startKey,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3551,7 +3441,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/apps';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/apps';
 
     final _response = await _requester.request(
       _url,
@@ -3600,8 +3491,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3614,7 +3503,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3657,8 +3546,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3667,7 +3554,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3702,8 +3589,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3712,7 +3597,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3747,8 +3632,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3757,7 +3640,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/attributes';
 
@@ -3804,8 +3687,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3818,7 +3699,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3880,8 +3761,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3894,7 +3773,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/keys';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/keys';
 
     final _response = await _requester.request(
       _url,
@@ -3938,8 +3818,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3948,7 +3826,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3984,8 +3862,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3994,7 +3870,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4038,8 +3914,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4052,7 +3926,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4102,8 +3976,6 @@
     core.String action,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4119,7 +3991,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4167,8 +4039,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4177,7 +4047,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4222,8 +4092,6 @@
     core.String action,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4235,7 +4103,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4291,8 +4159,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4305,7 +4171,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/keys/create';
 
@@ -4350,8 +4216,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4360,7 +4224,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4395,8 +4259,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4405,7 +4267,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4439,8 +4301,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -4449,7 +4309,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/attributes';
 
@@ -4496,8 +4356,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4510,7 +4368,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4561,8 +4419,6 @@
     core.String name,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4578,7 +4434,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/envgroups';
 
     final _response = await _requester.request(
@@ -4613,8 +4469,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4623,7 +4477,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4656,8 +4510,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4666,7 +4518,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4707,8 +4559,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -4723,7 +4573,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/envgroups';
 
     final _response = await _requester.request(
@@ -4763,8 +4613,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4780,7 +4628,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4824,8 +4672,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4838,7 +4684,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/attachments';
 
@@ -4876,8 +4722,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4886,7 +4730,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4921,8 +4765,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4931,7 +4773,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4974,8 +4816,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -4990,7 +4830,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/attachments';
 
@@ -5069,8 +4909,6 @@
     core.String name,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5086,7 +4924,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/environments';
 
@@ -5122,8 +4960,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5132,7 +4968,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5165,8 +5001,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5175,7 +5009,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5209,8 +5043,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5219,7 +5051,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5254,8 +5086,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5264,7 +5094,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5312,8 +5142,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -5327,7 +5155,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -5372,8 +5200,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5386,7 +5212,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -5425,8 +5251,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -5435,7 +5259,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + ':subscribe';
 
     final _response = await _requester.request(
@@ -5477,8 +5301,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5491,7 +5313,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -5530,8 +5352,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5544,7 +5364,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':unsubscribe';
 
@@ -5588,8 +5408,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5602,7 +5420,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5648,8 +5466,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5668,7 +5484,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5710,8 +5526,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5724,7 +5538,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5787,8 +5601,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5800,7 +5612,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5847,8 +5659,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5861,7 +5671,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/analytics/exports';
 
@@ -5901,8 +5711,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5911,7 +5719,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5945,8 +5753,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -5955,7 +5761,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/analytics/exports';
 
@@ -6010,8 +5816,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -6020,7 +5824,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deployments';
 
@@ -6103,8 +5907,6 @@
     core.bool sequencedRollout,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6119,7 +5921,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/deployments';
 
     final _response = await _requester.request(
@@ -6156,8 +5958,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6166,7 +5966,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/deployments';
 
     final _response = await _requester.request(
@@ -6220,8 +6020,6 @@
     core.bool sequencedRollout,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6233,7 +6031,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/deployments';
 
     final _response = await _requester.request(
@@ -6288,8 +6086,6 @@
     core.String timeout,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6305,7 +6101,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/debugsessions';
 
@@ -6346,8 +6142,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6356,7 +6150,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/data';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/data';
 
     final _response = await _requester.request(
       _url,
@@ -6391,8 +6186,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6401,7 +6194,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6445,8 +6238,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -6461,7 +6252,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/debugsessions';
 
@@ -6506,8 +6297,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6516,7 +6305,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6578,8 +6367,6 @@
     core.bool override,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6591,7 +6378,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/deployments:generateDeployChangeReport';
 
@@ -6642,8 +6429,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6652,7 +6437,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/deployments:generateUndeployChangeReport';
 
@@ -6695,8 +6480,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6705,7 +6488,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6752,8 +6535,6 @@
     core.bool sharedFlows,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -6765,7 +6546,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deployments';
 
@@ -6812,8 +6593,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6826,7 +6605,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6861,8 +6640,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6871,7 +6648,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6908,8 +6685,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6918,7 +6693,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6973,8 +6748,6 @@
     core.String name,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6990,7 +6763,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/keystores';
 
     final _response = await _requester.request(
@@ -7026,8 +6799,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -7036,7 +6807,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -7070,8 +6841,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -7080,7 +6849,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -7163,8 +6932,6 @@
     core.bool ignoreNewlineValidation,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7192,7 +6959,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/aliases';
 
     final _response = await _requester.request(
@@ -7230,8 +6997,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -7240,7 +7005,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/csr';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/csr';
 
     final _response = await _requester.request(
       _url,
@@ -7275,8 +7041,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -7285,7 +7049,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -7320,8 +7084,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -7330,7 +7092,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -7365,8 +7127,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -7375,7 +7135,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/certificate';
 
     final _response = await _requester.request(
@@ -7425,8 +7185,6 @@
     core.bool ignoreNewlineValidation,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7445,7 +7203,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -7490,8 +7248,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7504,7 +7260,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/keyvaluemaps';
 
@@ -7541,8 +7297,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -7551,7 +7305,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -7660,8 +7414,6 @@
     core.String tzo,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -7715,7 +7467,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -7762,8 +7514,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7776,7 +7526,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/queries';
 
     final _response = await _requester.request(
@@ -7814,8 +7564,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -7824,7 +7572,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -7864,8 +7612,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -7874,7 +7620,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -7930,8 +7676,6 @@
     core.String to,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -7958,7 +7702,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/queries';
 
     final _response = await _requester.request(
@@ -8003,8 +7747,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8017,7 +7759,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/references';
 
@@ -8056,8 +7798,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -8066,7 +7806,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -8100,8 +7840,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -8110,7 +7848,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -8150,8 +7888,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8164,7 +7900,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -8220,8 +7956,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8240,7 +7974,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/resourcefiles';
 
@@ -8286,8 +8020,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -8302,7 +8034,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/resourcefiles/' +
         commons.Escaper.ecapeVariable('$type') +
@@ -8350,8 +8082,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -8366,7 +8096,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/resourcefiles/' +
         commons.Escaper.ecapeVariable('$type') +
@@ -8411,8 +8141,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -8424,7 +8152,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/resourcefiles';
 
@@ -8467,8 +8195,6 @@
     core.String type, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -8480,7 +8206,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/resourcefiles/' +
         commons.Escaper.ecapeVariable('$type');
@@ -8530,8 +8256,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8550,7 +8274,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/resourcefiles/' +
         commons.Escaper.ecapeVariable('$type') +
@@ -8611,8 +8335,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -8621,7 +8343,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deployments';
 
@@ -8685,8 +8407,6 @@
     core.bool override,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -8698,7 +8418,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/deployments';
 
     final _response = await _requester.request(
@@ -8735,8 +8455,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -8745,7 +8463,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/deployments';
 
     final _response = await _requester.request(
@@ -8788,8 +8506,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -8798,7 +8514,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/deployments';
 
     final _response = await _requester.request(
@@ -8910,8 +8626,6 @@
     core.String tzo,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -8965,7 +8679,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -9013,8 +8727,6 @@
     core.String name,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9030,7 +8742,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/targetservers';
 
@@ -9070,8 +8782,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -9080,7 +8790,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -9115,8 +8825,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -9125,7 +8833,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -9166,8 +8874,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9180,7 +8886,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -9228,8 +8934,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9242,7 +8946,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/hostQueries';
 
@@ -9281,8 +8985,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -9291,7 +8993,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -9330,8 +9032,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -9340,7 +9040,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -9372,8 +9072,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -9382,7 +9080,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -9441,8 +9139,6 @@
     core.String to,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -9472,7 +9168,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/hostQueries';
 
@@ -9576,8 +9272,6 @@
     core.String tzo,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -9628,7 +9322,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -9681,8 +9375,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9695,7 +9387,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -9733,8 +9425,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -9743,7 +9433,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -9778,8 +9468,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -9788,7 +9476,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -9830,8 +9518,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -9846,7 +9532,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -9884,8 +9570,6 @@
     core.String instance, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9898,7 +9582,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$instance') +
         ':reportStatus';
 
@@ -9946,8 +9630,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9960,7 +9642,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/attachments';
 
@@ -10000,8 +9682,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -10010,7 +9690,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -10047,8 +9727,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -10057,7 +9735,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -10100,8 +9778,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -10116,7 +9792,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/attachments';
 
@@ -10161,8 +9837,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10175,7 +9849,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/canaryevaluations';
 
@@ -10213,8 +9887,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -10223,7 +9895,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -10271,8 +9943,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10285,7 +9955,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':activate';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':activate';
 
     final _response = await _requester.request(
       _url,
@@ -10328,8 +9999,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10342,7 +10011,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/natAddresses';
 
@@ -10383,8 +10052,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -10393,7 +10060,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -10430,8 +10097,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -10440,7 +10105,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -10482,8 +10147,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -10498,7 +10161,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/natAddresses';
 
@@ -10543,8 +10206,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10557,7 +10218,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/keyvaluemaps';
 
@@ -10593,8 +10254,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -10603,7 +10262,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -10645,8 +10304,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -10655,7 +10312,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -10705,8 +10362,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -10724,7 +10379,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(
@@ -10822,8 +10477,6 @@
     core.String tzo,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -10874,7 +10527,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -10925,8 +10578,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10939,7 +10590,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/reports';
 
     final _response = await _requester.request(
@@ -10974,8 +10625,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -10984,7 +10633,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -11017,8 +10666,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -11027,7 +10674,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -11063,8 +10710,6 @@
     core.bool expand,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -11076,7 +10721,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/reports';
 
     final _response = await _requester.request(
@@ -11113,8 +10758,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11127,7 +10770,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -11189,8 +10832,6 @@
     core.String name,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11209,7 +10850,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/sharedflows';
 
@@ -11247,8 +10888,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -11257,7 +10896,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -11290,8 +10929,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -11300,7 +10937,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -11341,8 +10978,6 @@
     core.bool includeRevisions,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -11357,7 +10992,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/sharedflows';
 
@@ -11400,8 +11035,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -11410,7 +11043,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deployments';
 
@@ -11460,8 +11093,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -11470,7 +11101,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -11512,8 +11143,6 @@
     core.String format,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -11525,7 +11154,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -11573,8 +11202,6 @@
     core.bool validate,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11590,7 +11217,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -11634,8 +11261,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -11644,7 +11269,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deployments';
 
@@ -11698,8 +11323,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11712,7 +11335,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/apicategories';
 
@@ -11750,8 +11373,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -11760,7 +11381,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -11795,8 +11416,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -11805,7 +11424,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -11838,8 +11457,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -11848,7 +11465,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/apicategories';
 
@@ -11888,8 +11505,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11902,7 +11517,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -11948,8 +11563,6 @@
     core.String project, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11962,7 +11575,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$project') +
         ':provisionOrganization';
 

generated/googleapis/lib/appengine/v1.dart

diff --git a/generated/googleapis/lib/appengine/v1.dart b/generated/googleapis/lib/appengine/v1.dart
index 9fabf41..3abc8f1 100644
--- a/generated/googleapis/lib/appengine/v1.dart
+++ b/generated/googleapis/lib/appengine/v1.dart
@@ -116,8 +116,6 @@
     Application request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -127,7 +125,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps';
+    const _url = 'v1/apps';
 
     final _response = await _requester.request(
       _url,
@@ -159,8 +157,6 @@
     core.String appsId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -169,7 +165,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' + commons.Escaper.ecapeVariable('$appsId');
+    final _url = 'v1/apps/' + commons.Escaper.ecapeVariable('$appsId');
 
     final _response = await _requester.request(
       _url,
@@ -211,8 +207,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -228,7 +222,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' + commons.Escaper.ecapeVariable('$appsId');
+    final _url = 'v1/apps/' + commons.Escaper.ecapeVariable('$appsId');
 
     final _response = await _requester.request(
       _url,
@@ -273,8 +267,6 @@
     core.String appsId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -287,7 +279,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' + commons.Escaper.ecapeVariable('$appsId') + ':repair';
+    final _url =
+        'v1/apps/' + commons.Escaper.ecapeVariable('$appsId') + ':repair';
 
     final _response = await _requester.request(
       _url,
@@ -329,8 +322,6 @@
     core.String appsId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -343,7 +334,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/authorizedCertificates';
 
@@ -382,8 +373,6 @@
     core.String authorizedCertificatesId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -396,7 +385,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/authorizedCertificates/' +
         commons.Escaper.ecapeVariable('$authorizedCertificatesId');
@@ -443,8 +432,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -460,7 +447,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/authorizedCertificates/' +
         commons.Escaper.ecapeVariable('$authorizedCertificatesId');
@@ -510,8 +497,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -529,7 +514,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/authorizedCertificates';
 
@@ -580,8 +565,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -601,7 +584,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/authorizedCertificates/' +
         commons.Escaper.ecapeVariable('$authorizedCertificatesId');
@@ -650,8 +633,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -666,7 +647,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/authorizedDomains';
 
@@ -727,8 +708,6 @@
     core.String overrideStrategy,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -744,7 +723,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/domainMappings';
 
@@ -784,8 +763,6 @@
     core.String domainMappingsId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -797,7 +774,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/domainMappings/' +
         commons.Escaper.ecapeVariable('$domainMappingsId');
@@ -834,8 +811,6 @@
     core.String domainMappingsId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -847,7 +822,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/domainMappings/' +
         commons.Escaper.ecapeVariable('$domainMappingsId');
@@ -888,8 +863,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -904,7 +877,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/domainMappings';
 
@@ -952,8 +925,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -972,7 +943,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/domainMappings/' +
         commons.Escaper.ecapeVariable('$domainMappingsId');
@@ -1031,8 +1002,6 @@
     core.String appsId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1045,7 +1014,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/firewall/ingressRules:batchUpdate';
 
@@ -1083,8 +1052,6 @@
     core.String appsId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1097,7 +1064,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/firewall/ingressRules';
 
@@ -1135,8 +1102,6 @@
     core.String ingressRulesId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -1148,7 +1113,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/firewall/ingressRules/' +
         commons.Escaper.ecapeVariable('$ingressRulesId');
@@ -1185,8 +1150,6 @@
     core.String ingressRulesId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -1198,7 +1161,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/firewall/ingressRules/' +
         commons.Escaper.ecapeVariable('$ingressRulesId');
@@ -1244,8 +1207,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -1263,7 +1224,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/firewall/ingressRules';
 
@@ -1306,8 +1267,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1326,7 +1285,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/firewall/ingressRules/' +
         commons.Escaper.ecapeVariable('$ingressRulesId');
@@ -1370,8 +1329,6 @@
     core.String locationsId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -1383,7 +1340,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/locations/' +
         commons.Escaper.ecapeVariable('$locationsId');
@@ -1426,8 +1383,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -1445,7 +1400,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' + commons.Escaper.ecapeVariable('$appsId') + '/locations';
+    final _url =
+        'v1/apps/' + commons.Escaper.ecapeVariable('$appsId') + '/locations';
 
     final _response = await _requester.request(
       _url,
@@ -1488,8 +1444,6 @@
     core.String operationsId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -1501,7 +1455,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/operations/' +
         commons.Escaper.ecapeVariable('$operationsId');
@@ -1552,8 +1506,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -1571,7 +1523,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/apps/' + commons.Escaper.ecapeVariable('$appsId') + '/operations';
 
     final _response = await _requester.request(
@@ -1616,8 +1568,6 @@
     core.String servicesId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -1629,7 +1579,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/services/' +
         commons.Escaper.ecapeVariable('$servicesId');
@@ -1666,8 +1616,6 @@
     core.String servicesId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -1679,7 +1627,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/services/' +
         commons.Escaper.ecapeVariable('$servicesId');
@@ -1719,8 +1667,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -1735,7 +1681,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' + commons.Escaper.ecapeVariable('$appsId') + '/services';
+    final _url =
+        'v1/apps/' + commons.Escaper.ecapeVariable('$appsId') + '/services';
 
     final _response = await _requester.request(
       _url,
@@ -1791,8 +1738,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1814,7 +1759,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/services/' +
         commons.Escaper.ecapeVariable('$servicesId');
@@ -1865,8 +1810,6 @@
     core.String servicesId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1882,7 +1825,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/services/' +
         commons.Escaper.ecapeVariable('$servicesId') +
@@ -1924,8 +1867,6 @@
     core.String versionsId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -1940,7 +1881,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/services/' +
         commons.Escaper.ecapeVariable('$servicesId') +
@@ -1994,8 +1935,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -2013,7 +1952,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/services/' +
         commons.Escaper.ecapeVariable('$servicesId') +
@@ -2067,8 +2006,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -2089,7 +2026,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/services/' +
         commons.Escaper.ecapeVariable('$servicesId') +
@@ -2170,8 +2107,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2193,7 +2128,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/services/' +
         commons.Escaper.ecapeVariable('$servicesId') +
@@ -2256,8 +2191,6 @@
     core.String instancesId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2279,7 +2212,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/services/' +
         commons.Escaper.ecapeVariable('$servicesId') +
@@ -2340,8 +2273,6 @@
     core.String instancesId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -2359,7 +2290,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/services/' +
         commons.Escaper.ecapeVariable('$servicesId') +
@@ -2406,8 +2337,6 @@
     core.String instancesId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -2425,7 +2354,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/services/' +
         commons.Escaper.ecapeVariable('$servicesId') +
@@ -2477,8 +2406,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appsId == null) {
       throw core.ArgumentError('Parameter appsId is required.');
     }
@@ -2499,7 +2426,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/apps/' +
+    final _url = 'v1/apps/' +
         commons.Escaper.ecapeVariable('$appsId') +
         '/services/' +
         commons.Escaper.ecapeVariable('$servicesId') +

generated/googleapis/lib/artifactregistry/v1.dart

diff --git a/generated/googleapis/lib/artifactregistry/v1.dart b/generated/googleapis/lib/artifactregistry/v1.dart
index 1f81ce2..8f71e6c 100644
--- a/generated/googleapis/lib/artifactregistry/v1.dart
+++ b/generated/googleapis/lib/artifactregistry/v1.dart
@@ -98,8 +98,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -112,7 +110,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -148,8 +147,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -158,7 +155,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -192,8 +189,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -202,7 +197,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -250,8 +245,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filter != null) {
       _queryParams['filter'] = [filter];
@@ -269,7 +262,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/operations';
+    const _url = 'v1/operations';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/assuredworkloads/v1.dart

diff --git a/generated/googleapis/lib/assuredworkloads/v1.dart b/generated/googleapis/lib/assuredworkloads/v1.dart
index 15446ae..a2b019b 100644
--- a/generated/googleapis/lib/assuredworkloads/v1.dart
+++ b/generated/googleapis/lib/assuredworkloads/v1.dart
@@ -106,8 +106,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -116,7 +114,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -166,8 +164,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -185,7 +181,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(
@@ -235,8 +231,6 @@
     core.String externalId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -252,7 +246,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/workloads';
 
     final _response = await _requester.request(
@@ -296,8 +290,6 @@
     core.String etag,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -309,7 +301,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -346,8 +338,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -356,7 +346,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -401,8 +391,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -420,7 +408,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/workloads';
 
     final _response = await _requester.request(
@@ -466,8 +454,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -483,7 +469,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/bigquery/v2.dart

diff --git a/generated/googleapis/lib/bigquery/v2.dart b/generated/googleapis/lib/bigquery/v2.dart
index 65cbaa7..5e1452f 100644
--- a/generated/googleapis/lib/bigquery/v2.dart
+++ b/generated/googleapis/lib/bigquery/v2.dart
@@ -139,8 +139,6 @@
     core.bool deleteContents,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -155,7 +153,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariable('$datasetId');
@@ -191,8 +189,6 @@
     core.String datasetId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -204,7 +200,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariable('$datasetId');
@@ -240,8 +236,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -254,7 +248,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'projects/' + commons.Escaper.ecapeVariable('$projectId') + '/datasets';
 
     final _response = await _requester.request(
@@ -304,8 +298,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -326,7 +318,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'projects/' + commons.Escaper.ecapeVariable('$projectId') + '/datasets';
 
     final _response = await _requester.request(
@@ -368,8 +360,6 @@
     core.String datasetId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -385,7 +375,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariable('$datasetId');
@@ -429,8 +419,6 @@
     core.String datasetId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -446,7 +434,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariable('$datasetId');
@@ -498,8 +486,6 @@
     core.String location,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -514,7 +500,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/jobs/' +
         commons.Escaper.ecapeVariable('$jobId') +
@@ -561,8 +547,6 @@
     core.String location,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -577,7 +561,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/jobs/' +
         commons.Escaper.ecapeVariable('$jobId');
@@ -633,8 +617,6 @@
     core.int timeoutMs,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -661,7 +643,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/queries/' +
         commons.Escaper.ecapeVariable('$jobId');
@@ -708,8 +690,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -722,6 +702,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url =
           'projects/' + commons.Escaper.ecapeVariable('$projectId') + '/jobs';
@@ -805,8 +786,6 @@
     core.List<core.String> stateFilter,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -839,7 +818,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' + commons.Escaper.ecapeVariable('$projectId') + '/jobs';
+    final _url =
+        'projects/' + commons.Escaper.ecapeVariable('$projectId') + '/jobs';
 
     final _response = await _requester.request(
       _url,
@@ -873,8 +853,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -887,7 +865,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'projects/' + commons.Escaper.ecapeVariable('$projectId') + '/queries';
 
     final _response = await _requester.request(
@@ -933,8 +911,6 @@
     core.String modelId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -949,7 +925,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariableReserved('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariableReserved('$datasetId') +
@@ -993,8 +969,6 @@
     core.String modelId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -1009,7 +983,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariableReserved('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariableReserved('$datasetId') +
@@ -1060,8 +1034,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -1079,7 +1051,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariableReserved('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariableReserved('$datasetId') +
@@ -1126,8 +1098,6 @@
     core.String modelId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1146,7 +1116,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariableReserved('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariableReserved('$datasetId') +
@@ -1189,8 +1159,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -1199,7 +1167,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/serviceAccount';
 
@@ -1236,8 +1204,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (maxResults != null) {
       _queryParams['maxResults'] = ['${maxResults}'];
@@ -1249,7 +1215,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects';
+    const _url = 'projects';
 
     final _response = await _requester.request(
       _url,
@@ -1293,8 +1259,6 @@
     core.String routineId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -1309,7 +1273,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariableReserved('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariableReserved('$datasetId') +
@@ -1357,8 +1321,6 @@
     core.String readMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -1376,7 +1338,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariableReserved('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariableReserved('$datasetId') +
@@ -1419,8 +1381,6 @@
     core.String datasetId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1436,7 +1396,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariableReserved('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariableReserved('$datasetId') +
@@ -1500,8 +1460,6 @@
     core.String readMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -1525,7 +1483,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariableReserved('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariableReserved('$datasetId') +
@@ -1574,8 +1532,6 @@
     core.String routineId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1594,7 +1550,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariableReserved('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariableReserved('$datasetId') +
@@ -1646,8 +1602,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1660,7 +1614,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariableReserved('$resource') + ':getIamPolicy';
+    final _url =
+        commons.Escaper.ecapeVariableReserved('$resource') + ':getIamPolicy';
 
     final _response = await _requester.request(
       _url,
@@ -1708,8 +1663,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -1730,7 +1683,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariableReserved('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariableReserved('$datasetId') +
@@ -1777,8 +1730,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1791,7 +1742,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariableReserved('$resource') + ':setIamPolicy';
+    final _url =
+        commons.Escaper.ecapeVariableReserved('$resource') + ':setIamPolicy';
 
     final _response = await _requester.request(
       _url,
@@ -1834,8 +1786,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1848,7 +1798,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariableReserved('$resource') +
+    final _url = commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
     final _response = await _requester.request(
@@ -1899,8 +1849,6 @@
     core.String tableId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1919,7 +1867,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariable('$datasetId') +
@@ -1979,8 +1927,6 @@
     core.String startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -2007,7 +1953,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariable('$datasetId') +
@@ -2056,8 +2002,6 @@
     core.String tableId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -2072,7 +2016,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariable('$datasetId') +
@@ -2120,8 +2064,6 @@
     core.String selectedFields,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -2139,7 +2081,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariable('$datasetId') +
@@ -2184,8 +2126,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2198,7 +2138,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariableReserved('$resource') + ':getIamPolicy';
+    final _url =
+        commons.Escaper.ecapeVariableReserved('$resource') + ':getIamPolicy';
 
     final _response = await _requester.request(
       _url,
@@ -2235,8 +2176,6 @@
     core.String datasetId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2252,7 +2191,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariable('$datasetId') +
@@ -2299,8 +2238,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -2318,7 +2255,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariable('$datasetId') +
@@ -2365,8 +2302,6 @@
     core.String tableId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2385,7 +2320,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariable('$datasetId') +
@@ -2431,8 +2366,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2445,7 +2378,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariableReserved('$resource') + ':setIamPolicy';
+    final _url =
+        commons.Escaper.ecapeVariableReserved('$resource') + ':setIamPolicy';
 
     final _response = await _requester.request(
       _url,
@@ -2488,8 +2422,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2502,7 +2434,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariableReserved('$resource') +
+    final _url = commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
     final _response = await _requester.request(
@@ -2548,8 +2480,6 @@
     core.String tableId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2568,7 +2498,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/datasets/' +
         commons.Escaper.ecapeVariable('$datasetId') +

generated/googleapis/lib/bigquerydatatransfer/v1.dart

diff --git a/generated/googleapis/lib/bigquerydatatransfer/v1.dart b/generated/googleapis/lib/bigquerydatatransfer/v1.dart
index 88c7a58..9ac02c7 100644
--- a/generated/googleapis/lib/bigquerydatatransfer/v1.dart
+++ b/generated/googleapis/lib/bigquerydatatransfer/v1.dart
@@ -127,8 +127,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -141,7 +139,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':checkValidCreds';
 
@@ -179,8 +177,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -189,7 +185,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -234,8 +230,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -250,7 +244,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dataSources';
 
@@ -295,8 +289,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -305,7 +297,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -345,8 +337,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -364,7 +354,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -416,8 +406,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -430,7 +418,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':checkValidCreds';
 
@@ -469,8 +457,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -479,7 +465,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -524,8 +510,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -540,7 +524,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dataSources';
 
@@ -621,8 +605,6 @@
     core.String versionInfo,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -644,7 +626,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/transferConfigs';
 
@@ -683,8 +665,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -693,7 +673,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -727,8 +707,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -737,7 +715,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -785,8 +763,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -804,7 +780,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/transferConfigs';
 
@@ -885,8 +861,6 @@
     core.String versionInfo,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -911,7 +885,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -954,8 +928,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -968,7 +940,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':scheduleRuns';
 
@@ -1014,8 +986,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1028,7 +998,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':startManualRuns';
 
@@ -1077,8 +1047,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1087,7 +1055,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1122,8 +1090,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1132,7 +1098,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1188,8 +1154,6 @@
     core.List<core.String> states,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1210,7 +1174,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/runs';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/runs';
 
     final _response = await _requester.request(
       _url,
@@ -1267,8 +1232,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1286,7 +1249,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/transferLogs';
 
@@ -1367,8 +1330,6 @@
     core.String versionInfo,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1390,7 +1351,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/transferConfigs';
 
@@ -1428,8 +1389,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1438,7 +1397,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1471,8 +1430,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1481,7 +1438,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1529,8 +1486,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1548,7 +1503,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/transferConfigs';
 
@@ -1628,8 +1583,6 @@
     core.String versionInfo,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1654,7 +1607,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1696,8 +1649,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1710,7 +1661,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':scheduleRuns';
 
@@ -1755,8 +1706,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1769,7 +1718,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':startManualRuns';
 
@@ -1818,8 +1767,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1828,7 +1775,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1863,8 +1810,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1873,7 +1818,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1928,8 +1873,6 @@
     core.List<core.String> states,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1950,7 +1893,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/runs';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/runs';
 
     final _response = await _requester.request(
       _url,
@@ -2006,8 +1950,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2025,7 +1967,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/transferLogs';
 

generated/googleapis/lib/bigqueryreservation/v1.dart

diff --git a/generated/googleapis/lib/bigqueryreservation/v1.dart b/generated/googleapis/lib/bigqueryreservation/v1.dart
index db30bc1..aff037e 100644
--- a/generated/googleapis/lib/bigqueryreservation/v1.dart
+++ b/generated/googleapis/lib/bigqueryreservation/v1.dart
@@ -93,8 +93,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -103,7 +101,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -152,8 +150,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -171,7 +167,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -225,8 +221,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -235,7 +229,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -292,8 +286,6 @@
     core.String query,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -311,7 +303,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':searchAllAssignments';
 
@@ -371,8 +363,6 @@
     core.String query,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -390,7 +380,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':searchAssignments';
 
@@ -438,8 +428,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -455,7 +443,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -503,8 +491,6 @@
     core.bool enforceSingleAdminProjectPerOrg,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -522,7 +508,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/capacityCommitments';
 
@@ -562,8 +548,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -572,7 +556,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -605,8 +589,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -615,7 +597,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -655,8 +637,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -671,7 +651,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/capacityCommitments';
 
@@ -714,8 +694,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -728,7 +706,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/capacityCommitments:merge';
 
@@ -776,8 +754,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -793,7 +769,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -837,8 +813,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -851,7 +825,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':split';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':split';
 
     final _response = await _requester.request(
       _url,
@@ -902,8 +877,6 @@
     core.String reservationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -919,7 +892,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/reservations';
 
@@ -959,8 +932,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -969,7 +940,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1002,8 +973,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1012,7 +981,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1052,8 +1021,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1068,7 +1035,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/reservations';
 
@@ -1110,8 +1077,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1127,7 +1092,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1190,8 +1155,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1204,7 +1167,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/assignments';
 
@@ -1249,8 +1212,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1259,7 +1220,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1311,8 +1272,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1327,7 +1286,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/assignments';
 
@@ -1370,8 +1329,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1384,7 +1341,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':move';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':move';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/bigtableadmin/v2.dart

diff --git a/generated/googleapis/lib/bigtableadmin/v2.dart b/generated/googleapis/lib/bigtableadmin/v2.dart
index 5941a0e..1ad0ada 100644
--- a/generated/googleapis/lib/bigtableadmin/v2.dart
+++ b/generated/googleapis/lib/bigtableadmin/v2.dart
@@ -134,8 +134,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -144,7 +142,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -179,8 +178,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -189,7 +186,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -223,8 +220,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -233,7 +228,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -298,8 +293,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -317,7 +310,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(
@@ -378,8 +371,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -392,7 +383,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -426,8 +417,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -436,7 +425,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -468,8 +457,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -478,7 +465,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -517,8 +504,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -531,7 +516,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -569,8 +554,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -582,7 +565,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -626,8 +609,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -643,7 +624,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -682,8 +663,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -696,7 +675,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -736,8 +715,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -750,7 +727,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -793,8 +770,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -807,7 +782,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -860,8 +835,6 @@
     core.bool ignoreWarnings,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -880,7 +853,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/appProfiles';
 
@@ -922,8 +895,6 @@
     core.bool ignoreWarnings,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -935,7 +906,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -969,8 +940,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -979,7 +948,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1027,8 +996,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1043,7 +1010,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/appProfiles';
 
@@ -1090,8 +1057,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1110,7 +1075,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1162,8 +1127,6 @@
     core.String clusterId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1179,7 +1142,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/clusters';
 
     final _response = await _requester.request(
@@ -1215,8 +1178,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1225,7 +1186,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1258,8 +1219,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1268,7 +1227,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1306,8 +1265,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1319,7 +1276,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/clusters';
 
     final _response = await _requester.request(
@@ -1357,8 +1314,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1371,7 +1326,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1430,8 +1385,6 @@
     core.String backupId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1447,7 +1400,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/backups';
 
     final _response = await _requester.request(
@@ -1482,8 +1435,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1492,7 +1443,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1525,8 +1476,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1535,7 +1484,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1575,8 +1524,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1589,7 +1536,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -1674,8 +1621,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1696,7 +1641,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/backups';
 
     final _response = await _requester.request(
@@ -1746,8 +1691,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1763,7 +1706,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1803,8 +1746,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1817,7 +1758,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1857,8 +1798,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1871,7 +1810,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -1921,8 +1860,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1935,7 +1872,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':checkConsistency';
 
@@ -1978,8 +1915,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1992,7 +1927,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/tables';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/tables';
 
     final _response = await _requester.request(
       _url,
@@ -2026,8 +1962,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2036,7 +1970,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2076,8 +2010,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2090,7 +2022,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':dropRowRange';
 
@@ -2134,8 +2066,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2148,7 +2078,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':generateConsistencyToken';
 
@@ -2198,8 +2128,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2211,7 +2139,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2251,8 +2179,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2265,7 +2191,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -2326,8 +2252,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2345,7 +2269,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/tables';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/tables';
 
     final _response = await _requester.request(
       _url,
@@ -2387,8 +2312,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2401,7 +2324,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':modifyColumnFamilies';
 
@@ -2445,8 +2368,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2459,7 +2380,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/tables:restore';
 
@@ -2501,8 +2422,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2515,7 +2434,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -2555,8 +2474,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2569,7 +2486,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -2610,8 +2527,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2620,7 +2535,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2660,8 +2575,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2679,7 +2592,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(

generated/googleapis/lib/billingbudgets/v1.dart

diff --git a/generated/googleapis/lib/billingbudgets/v1.dart b/generated/googleapis/lib/billingbudgets/v1.dart
index 9b5ae1d..19c0ae8 100644
--- a/generated/googleapis/lib/billingbudgets/v1.dart
+++ b/generated/googleapis/lib/billingbudgets/v1.dart
@@ -106,8 +106,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -120,7 +118,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/budgets';
 
     final _response = await _requester.request(
@@ -157,8 +155,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -167,7 +163,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -205,8 +201,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -215,7 +209,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -263,8 +257,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -279,7 +271,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/budgets';
 
     final _response = await _requester.request(
@@ -329,8 +321,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -346,7 +336,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/binaryauthorization/v1.dart

diff --git a/generated/googleapis/lib/binaryauthorization/v1.dart b/generated/googleapis/lib/binaryauthorization/v1.dart
index d89abbe..af3d7bd 100644
--- a/generated/googleapis/lib/binaryauthorization/v1.dart
+++ b/generated/googleapis/lib/binaryauthorization/v1.dart
@@ -96,8 +96,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -106,7 +104,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -147,8 +145,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -161,7 +157,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -208,8 +204,6 @@
     core.String attestorId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -225,7 +219,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/attestors';
 
     final _response = await _requester.request(
@@ -261,8 +255,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -271,7 +263,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -305,8 +297,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -315,7 +305,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -360,8 +350,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -375,7 +363,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -421,8 +409,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -437,7 +423,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/attestors';
 
     final _response = await _requester.request(
@@ -478,8 +464,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -492,7 +476,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -536,8 +520,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -550,7 +532,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -591,8 +573,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -605,7 +585,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -643,8 +623,6 @@
     core.String attestor, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -657,7 +635,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$attestor') +
         ':validateAttestationOccurrence';
 
@@ -712,8 +690,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -727,7 +703,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -768,8 +744,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -782,7 +756,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -826,8 +800,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -840,7 +812,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -882,8 +854,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -892,7 +862,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/blogger/v3.dart

diff --git a/generated/googleapis/lib/blogger/v3.dart b/generated/googleapis/lib/blogger/v3.dart
index 3f26386..5f8b56d 100644
--- a/generated/googleapis/lib/blogger/v3.dart
+++ b/generated/googleapis/lib/blogger/v3.dart
@@ -105,8 +105,6 @@
     core.int maxPosts,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -121,7 +119,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/users/' +
+    final _url = 'v3/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/blogs/' +
         commons.Escaper.ecapeVariable('$blogId');
@@ -172,8 +170,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -188,7 +184,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' + commons.Escaper.ecapeVariable('$blogId');
+    final _url = 'v3/blogs/' + commons.Escaper.ecapeVariable('$blogId');
 
     final _response = await _requester.request(
       _url,
@@ -226,8 +222,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (url == null) {
       throw core.ArgumentError('Parameter url is required.');
@@ -240,7 +234,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/byurl';
+    const _url = 'v3/blogs/byurl';
 
     final _response = await _requester.request(
       _url,
@@ -287,8 +281,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -309,7 +301,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/users/' + commons.Escaper.ecapeVariable('$userId') + '/blogs';
+    final _url =
+        'v3/users/' + commons.Escaper.ecapeVariable('$userId') + '/blogs';
 
     final _response = await _requester.request(
       _url,
@@ -351,8 +344,6 @@
     core.String commentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -367,7 +358,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/posts/' +
         commons.Escaper.ecapeVariable('$postId') +
@@ -407,8 +398,6 @@
     core.String commentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -423,7 +412,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/posts/' +
         commons.Escaper.ecapeVariable('$postId') +
@@ -472,8 +461,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -491,7 +478,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/posts/' +
         commons.Escaper.ecapeVariable('$postId') +
@@ -560,8 +547,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -594,7 +579,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/posts/' +
         commons.Escaper.ecapeVariable('$postId') +
@@ -647,8 +632,6 @@
     core.List<core.String> status,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -675,7 +658,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' + commons.Escaper.ecapeVariable('$blogId') + '/comments';
+    final _url =
+        'v3/blogs/' + commons.Escaper.ecapeVariable('$blogId') + '/comments';
 
     final _response = await _requester.request(
       _url,
@@ -712,8 +696,6 @@
     core.String commentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -728,7 +710,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/posts/' +
         commons.Escaper.ecapeVariable('$postId') +
@@ -770,8 +752,6 @@
     core.String commentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -786,7 +766,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/posts/' +
         commons.Escaper.ecapeVariable('$postId') +
@@ -831,8 +811,6 @@
     core.List<core.String> range,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -844,7 +822,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/blogs/' + commons.Escaper.ecapeVariable('$blogId') + '/pageviews';
 
     final _response = await _requester.request(
@@ -882,8 +860,6 @@
     core.String pageId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -895,7 +871,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/pages/' +
         commons.Escaper.ecapeVariable('$pageId');
@@ -939,8 +915,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -955,7 +929,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/pages/' +
         commons.Escaper.ecapeVariable('$pageId');
@@ -994,8 +968,6 @@
     core.bool isDraft,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1011,7 +983,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' + commons.Escaper.ecapeVariable('$blogId') + '/pages';
+    final _url =
+        'v3/blogs/' + commons.Escaper.ecapeVariable('$blogId') + '/pages';
 
     final _response = await _requester.request(
       _url,
@@ -1062,8 +1035,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -1087,7 +1058,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' + commons.Escaper.ecapeVariable('$blogId') + '/pages';
+    final _url =
+        'v3/blogs/' + commons.Escaper.ecapeVariable('$blogId') + '/pages';
 
     final _response = await _requester.request(
       _url,
@@ -1129,8 +1101,6 @@
     core.bool revert_1,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1152,7 +1122,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/pages/' +
         commons.Escaper.ecapeVariable('$pageId');
@@ -1189,8 +1159,6 @@
     core.String pageId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -1202,7 +1170,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/pages/' +
         commons.Escaper.ecapeVariable('$pageId') +
@@ -1239,8 +1207,6 @@
     core.String pageId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -1252,7 +1218,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/pages/' +
         commons.Escaper.ecapeVariable('$pageId') +
@@ -1298,8 +1264,6 @@
     core.bool revert_1,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1321,7 +1285,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/pages/' +
         commons.Escaper.ecapeVariable('$pageId');
@@ -1370,8 +1334,6 @@
     core.int maxComments,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -1389,7 +1351,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/users/' +
+    final _url = 'v3/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
@@ -1464,8 +1426,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -1504,7 +1464,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/users/' +
+    final _url = 'v3/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
@@ -1546,8 +1506,6 @@
     core.String postId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -1559,7 +1517,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/posts/' +
         commons.Escaper.ecapeVariable('$postId');
@@ -1612,8 +1570,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -1637,7 +1593,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/posts/' +
         commons.Escaper.ecapeVariable('$postId');
@@ -1684,8 +1640,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -1704,7 +1658,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/posts/bypath';
 
@@ -1748,8 +1702,6 @@
     core.bool isDraft,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1771,7 +1723,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' + commons.Escaper.ecapeVariable('$blogId') + '/posts';
+    final _url =
+        'v3/blogs/' + commons.Escaper.ecapeVariable('$blogId') + '/posts';
 
     final _response = await _requester.request(
       _url,
@@ -1841,8 +1794,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -1881,7 +1832,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' + commons.Escaper.ecapeVariable('$blogId') + '/posts';
+    final _url =
+        'v3/blogs/' + commons.Escaper.ecapeVariable('$blogId') + '/posts';
 
     final _response = await _requester.request(
       _url,
@@ -1932,8 +1884,6 @@
     core.bool revert_1,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1964,7 +1914,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/posts/' +
         commons.Escaper.ecapeVariable('$postId');
@@ -2004,8 +1954,6 @@
     core.String publishDate,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -2020,7 +1968,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/posts/' +
         commons.Escaper.ecapeVariable('$postId') +
@@ -2057,8 +2005,6 @@
     core.String postId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -2070,7 +2016,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/posts/' +
         commons.Escaper.ecapeVariable('$postId') +
@@ -2117,8 +2063,6 @@
     core.String orderBy,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (blogId == null) {
       throw core.ArgumentError('Parameter blogId is required.');
     }
@@ -2137,7 +2081,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/posts/search';
 
@@ -2190,8 +2134,6 @@
     core.bool revert_1,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2222,7 +2164,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/blogs/' +
+    final _url = 'v3/blogs/' +
         commons.Escaper.ecapeVariable('$blogId') +
         '/posts/' +
         commons.Escaper.ecapeVariable('$postId');
@@ -2262,8 +2204,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -2272,7 +2212,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/users/' + commons.Escaper.ecapeVariable('$userId');
+    final _url = 'v3/users/' + commons.Escaper.ecapeVariable('$userId');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/books/v1.dart

diff --git a/generated/googleapis/lib/books/v1.dart b/generated/googleapis/lib/books/v1.dart
index 505901e..4345070 100644
--- a/generated/googleapis/lib/books/v1.dart
+++ b/generated/googleapis/lib/books/v1.dart
@@ -125,8 +125,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -141,7 +139,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/users/' +
+    final _url = 'books/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/bookshelves/' +
         commons.Escaper.ecapeVariable('$shelf');
@@ -177,8 +175,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -190,7 +186,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/users/' +
+    final _url = 'books/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/bookshelves';
 
@@ -245,8 +241,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -270,7 +264,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/users/' +
+    final _url = 'books/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/bookshelves/' +
         commons.Escaper.ecapeVariable('$shelf') +
@@ -322,8 +316,6 @@
     core.String uploadClientToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (driveDocumentId != null) {
       _queryParams['drive_document_id'] = [driveDocumentId];
@@ -341,7 +333,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/cloudloading/addBook';
+    const _url = 'books/v1/cloudloading/addBook';
 
     final _response = await _requester.request(
       _url,
@@ -372,8 +364,6 @@
     core.String volumeId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (volumeId == null) {
       throw core.ArgumentError('Parameter volumeId is required.');
@@ -383,7 +373,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/cloudloading/deleteBook';
+    const _url = 'books/v1/cloudloading/deleteBook';
 
     final _response = await _requester.request(
       _url,
@@ -413,8 +403,6 @@
     BooksCloudloadingResource request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -424,7 +412,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/cloudloading/updateBook';
+    const _url = 'books/v1/cloudloading/updateBook';
 
     final _response = await _requester.request(
       _url,
@@ -462,8 +450,6 @@
     core.String cpksver, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (cpksver == null) {
       throw core.ArgumentError('Parameter cpksver is required.');
@@ -473,7 +459,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/dictionary/listOfflineMetadata';
+    const _url = 'books/v1/dictionary/listOfflineMetadata';
 
     final _response = await _requester.request(
       _url,
@@ -509,8 +495,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (source != null) {
       _queryParams['source'] = [source];
@@ -519,7 +503,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/familysharing/getFamilyInfo';
+    const _url = 'books/v1/familysharing/getFamilyInfo';
 
     final _response = await _requester.request(
       _url,
@@ -558,8 +542,6 @@
     core.String volumeId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (docId != null) {
       _queryParams['docId'] = [docId];
@@ -574,7 +556,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/familysharing/share';
+    const _url = 'books/v1/familysharing/share';
 
     final _response = await _requester.request(
       _url,
@@ -613,8 +595,6 @@
     core.String volumeId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (docId != null) {
       _queryParams['docId'] = [docId];
@@ -629,7 +609,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/familysharing/unshare';
+    const _url = 'books/v1/familysharing/unshare';
 
     final _response = await _requester.request(
       _url,
@@ -679,8 +659,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (volumeId == null) {
       throw core.ArgumentError('Parameter volumeId is required.');
     }
@@ -698,7 +676,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/volumes/' +
+    final _url = 'books/v1/volumes/' +
         commons.Escaper.ecapeVariable('$volumeId') +
         '/layersummary/' +
         commons.Escaper.ecapeVariable('$summaryId');
@@ -745,8 +723,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (volumeId == null) {
       throw core.ArgumentError('Parameter volumeId is required.');
     }
@@ -767,7 +743,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/volumes/' +
+    final _url = 'books/v1/volumes/' +
         commons.Escaper.ecapeVariable('$volumeId') +
         '/layersummary';
 
@@ -839,8 +815,6 @@
     core.int w,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (volumeId == null) {
       throw core.ArgumentError('Parameter volumeId is required.');
     }
@@ -877,7 +851,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/volumes/' +
+    final _url = 'books/v1/volumes/' +
         commons.Escaper.ecapeVariable('$volumeId') +
         '/layers/' +
         commons.Escaper.ecapeVariable('$layerId') +
@@ -956,8 +930,6 @@
     core.int w,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (volumeId == null) {
       throw core.ArgumentError('Parameter volumeId is required.');
     }
@@ -1003,7 +975,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/volumes/' +
+    final _url = 'books/v1/volumes/' +
         commons.Escaper.ecapeVariable('$volumeId') +
         '/layers/' +
         commons.Escaper.ecapeVariable('$layerId') +
@@ -1058,8 +1030,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (volumeId == null) {
       throw core.ArgumentError('Parameter volumeId is required.');
     }
@@ -1080,7 +1050,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/volumes/' +
+    final _url = 'books/v1/volumes/' +
         commons.Escaper.ecapeVariable('$volumeId') +
         '/layers/' +
         commons.Escaper.ecapeVariable('$layerId') +
@@ -1164,8 +1134,6 @@
     core.String volumeAnnotationsVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (volumeId == null) {
       throw core.ArgumentError('Parameter volumeId is required.');
     }
@@ -1217,7 +1185,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/volumes/' +
+    final _url = 'books/v1/volumes/' +
         commons.Escaper.ecapeVariable('$volumeId') +
         '/layers/' +
         commons.Escaper.ecapeVariable('$layerId');
@@ -1258,8 +1226,6 @@
     core.String country,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (country != null) {
       _queryParams['country'] = [country];
@@ -1268,7 +1234,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/myconfig/getUserSettings';
+    const _url = 'books/v1/myconfig/getUserSettings';
 
     final _response = await _requester.request(
       _url,
@@ -1309,8 +1275,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (cpksver == null) {
       throw core.ArgumentError('Parameter cpksver is required.');
@@ -1330,7 +1294,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/myconfig/releaseDownloadAccess';
+    const _url = 'books/v1/myconfig/releaseDownloadAccess';
 
     final _response = await _requester.request(
       _url,
@@ -1383,8 +1347,6 @@
     core.String locale,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (cpksver == null) {
       throw core.ArgumentError('Parameter cpksver is required.');
@@ -1412,7 +1374,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/myconfig/requestAccess';
+    const _url = 'books/v1/myconfig/requestAccess';
 
     final _response = await _requester.request(
       _url,
@@ -1468,8 +1430,6 @@
     core.List<core.String> volumeIds,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (cpksver == null) {
       throw core.ArgumentError('Parameter cpksver is required.');
@@ -1502,7 +1462,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/myconfig/syncVolumeLicenses';
+    const _url = 'books/v1/myconfig/syncVolumeLicenses';
 
     final _response = await _requester.request(
       _url,
@@ -1536,8 +1496,6 @@
     Usersettings request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1547,7 +1505,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/myconfig/updateUserSettings';
+    const _url = 'books/v1/myconfig/updateUserSettings';
 
     final _response = await _requester.request(
       _url,
@@ -1602,8 +1560,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (annotationId == null) {
       throw core.ArgumentError('Parameter annotationId is required.');
     }
@@ -1615,7 +1571,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/mylibrary/annotations/' +
+    final _url = 'books/v1/mylibrary/annotations/' +
         commons.Escaper.ecapeVariable('$annotationId');
 
     final _response = await _requester.request(
@@ -1659,8 +1615,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1684,7 +1638,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/mylibrary/annotations';
+    const _url = 'books/v1/mylibrary/annotations';
 
     final _response = await _requester.request(
       _url,
@@ -1747,8 +1701,6 @@
     core.String volumeId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (contentVersion != null) {
       _queryParams['contentVersion'] = [contentVersion];
@@ -1784,7 +1736,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/mylibrary/annotations';
+    const _url = 'books/v1/mylibrary/annotations';
 
     final _response = await _requester.request(
       _url,
@@ -1818,8 +1770,6 @@
     core.String volumeId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (layerIds == null || layerIds.isEmpty) {
       throw core.ArgumentError('Parameter layerIds is required.');
@@ -1833,7 +1783,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/mylibrary/annotations/summary';
+    const _url = 'books/v1/mylibrary/annotations/summary';
 
     final _response = await _requester.request(
       _url,
@@ -1870,8 +1820,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1887,7 +1835,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/mylibrary/annotations/' +
+    final _url = 'books/v1/mylibrary/annotations/' +
         commons.Escaper.ecapeVariable('$annotationId');
 
     final _response = await _requester.request(
@@ -1944,8 +1892,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (shelf == null) {
       throw core.ArgumentError('Parameter shelf is required.');
     }
@@ -1964,7 +1910,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/mylibrary/bookshelves/' +
+    final _url = 'books/v1/mylibrary/bookshelves/' +
         commons.Escaper.ecapeVariable('$shelf') +
         '/addVolume';
 
@@ -1999,8 +1945,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (shelf == null) {
       throw core.ArgumentError('Parameter shelf is required.');
     }
@@ -2012,7 +1956,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/mylibrary/bookshelves/' +
+    final _url = 'books/v1/mylibrary/bookshelves/' +
         commons.Escaper.ecapeVariable('$shelf') +
         '/clearVolumes';
 
@@ -2048,8 +1992,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (shelf == null) {
       throw core.ArgumentError('Parameter shelf is required.');
     }
@@ -2061,7 +2003,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/mylibrary/bookshelves/' +
+    final _url = 'books/v1/mylibrary/bookshelves/' +
         commons.Escaper.ecapeVariable('$shelf');
 
     final _response = await _requester.request(
@@ -2092,8 +2034,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (source != null) {
       _queryParams['source'] = [source];
@@ -2102,7 +2042,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/mylibrary/bookshelves';
+    const _url = 'books/v1/mylibrary/bookshelves';
 
     final _response = await _requester.request(
       _url,
@@ -2144,8 +2084,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (shelf == null) {
       throw core.ArgumentError('Parameter shelf is required.');
     }
@@ -2165,7 +2103,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/mylibrary/bookshelves/' +
+    final _url = 'books/v1/mylibrary/bookshelves/' +
         commons.Escaper.ecapeVariable('$shelf') +
         '/moveVolume';
 
@@ -2209,8 +2147,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (shelf == null) {
       throw core.ArgumentError('Parameter shelf is required.');
     }
@@ -2229,7 +2165,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/mylibrary/bookshelves/' +
+    final _url = 'books/v1/mylibrary/bookshelves/' +
         commons.Escaper.ecapeVariable('$shelf') +
         '/removeVolume';
 
@@ -2294,8 +2230,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (shelf == null) {
       throw core.ArgumentError('Parameter shelf is required.');
     }
@@ -2325,7 +2259,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/mylibrary/bookshelves/' +
+    final _url = 'books/v1/mylibrary/bookshelves/' +
         commons.Escaper.ecapeVariable('$shelf') +
         '/volumes';
 
@@ -2371,8 +2305,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (volumeId == null) {
       throw core.ArgumentError('Parameter volumeId is required.');
     }
@@ -2387,7 +2319,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/mylibrary/readingpositions/' +
+    final _url = 'books/v1/mylibrary/readingpositions/' +
         commons.Escaper.ecapeVariable('$volumeId');
 
     final _response = await _requester.request(
@@ -2447,8 +2379,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (volumeId == null) {
       throw core.ArgumentError('Parameter volumeId is required.');
     }
@@ -2477,7 +2407,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/mylibrary/readingpositions/' +
+    final _url = 'books/v1/mylibrary/readingpositions/' +
         commons.Escaper.ecapeVariable('$volumeId') +
         '/setPosition';
 
@@ -2522,8 +2452,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (notificationId == null) {
       throw core.ArgumentError('Parameter notificationId is required.');
@@ -2539,7 +2467,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/notification/get';
+    const _url = 'books/v1/notification/get';
 
     final _response = await _requester.request(
       _url,
@@ -2577,8 +2505,6 @@
     core.String locale,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (locale != null) {
       _queryParams['locale'] = [locale];
@@ -2587,7 +2513,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/onboarding/listCategories';
+    const _url = 'books/v1/onboarding/listCategories';
 
     final _response = await _requester.request(
       _url,
@@ -2636,8 +2562,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (categoryId != null) {
       _queryParams['categoryId'] = categoryId;
@@ -2658,7 +2582,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/onboarding/listCategoryVolumes';
+    const _url = 'books/v1/onboarding/listCategoryVolumes';
 
     final _response = await _requester.request(
       _url,
@@ -2707,8 +2631,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (locale != null) {
       _queryParams['locale'] = [locale];
@@ -2723,7 +2645,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/personalizedstream/get';
+    const _url = 'books/v1/personalizedstream/get';
 
     final _response = await _requester.request(
       _url,
@@ -2781,8 +2703,6 @@
     core.String volumeId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (androidId != null) {
       _queryParams['androidId'] = [androidId];
@@ -2812,7 +2732,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/promooffer/accept';
+    const _url = 'books/v1/promooffer/accept';
 
     final _response = await _requester.request(
       _url,
@@ -2860,8 +2780,6 @@
     core.String serial,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (androidId != null) {
       _queryParams['androidId'] = [androidId];
@@ -2888,7 +2806,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/promooffer/dismiss';
+    const _url = 'books/v1/promooffer/dismiss';
 
     final _response = await _requester.request(
       _url,
@@ -2933,8 +2851,6 @@
     core.String serial,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (androidId != null) {
       _queryParams['androidId'] = [androidId];
@@ -2958,7 +2874,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/promooffer/get';
+    const _url = 'books/v1/promooffer/get';
 
     final _response = await _requester.request(
       _url,
@@ -2997,8 +2913,6 @@
     core.List<core.String> seriesId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (seriesId == null || seriesId.isEmpty) {
       throw core.ArgumentError('Parameter seriesId is required.');
@@ -3008,7 +2922,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/series/get';
+    const _url = 'books/v1/series/get';
 
     final _response = await _requester.request(
       _url,
@@ -3051,8 +2965,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (seriesId == null) {
       throw core.ArgumentError('Parameter seriesId is required.');
@@ -3068,7 +2980,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/series/membership/get';
+    const _url = 'books/v1/series/membership/get';
 
     final _response = await _requester.request(
       _url,
@@ -3136,8 +3048,6 @@
     core.bool userLibraryConsistentRead,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (volumeId == null) {
       throw core.ArgumentError('Parameter volumeId is required.');
     }
@@ -3166,7 +3076,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/volumes/' + commons.Escaper.ecapeVariable('$volumeId');
+    final _url =
+        'books/v1/volumes/' + commons.Escaper.ecapeVariable('$volumeId');
 
     final _response = await _requester.request(
       _url,
@@ -3270,8 +3181,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (q == null) {
       throw core.ArgumentError('Parameter q is required.');
@@ -3320,7 +3229,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/volumes';
+    const _url = 'books/v1/volumes';
 
     final _response = await _requester.request(
       _url,
@@ -3380,8 +3289,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (volumeId == null) {
       throw core.ArgumentError('Parameter volumeId is required.');
     }
@@ -3402,7 +3309,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/volumes/' +
+    final _url = 'books/v1/volumes/' +
         commons.Escaper.ecapeVariable('$volumeId') +
         '/associated';
 
@@ -3462,8 +3369,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (acquireMethod != null) {
       _queryParams['acquireMethod'] = acquireMethod;
@@ -3490,7 +3395,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/volumes/mybooks';
+    const _url = 'books/v1/volumes/mybooks';
 
     final _response = await _requester.request(
       _url,
@@ -3539,8 +3444,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (locale != null) {
       _queryParams['locale'] = [locale];
@@ -3555,7 +3458,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/volumes/recommended';
+    const _url = 'books/v1/volumes/recommended';
 
     final _response = await _requester.request(
       _url,
@@ -3599,8 +3502,6 @@
     core.String source,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (rating == null) {
       throw core.ArgumentError('Parameter rating is required.');
@@ -3620,7 +3521,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/volumes/recommended/rate';
+    const _url = 'books/v1/volumes/recommended/rate';
 
     final _response = await _requester.request(
       _url,
@@ -3677,8 +3578,6 @@
     core.List<core.String> volumeId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (locale != null) {
       _queryParams['locale'] = [locale];
@@ -3702,7 +3601,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'books/v1/volumes/useruploaded';
+    const _url = 'books/v1/volumes/useruploaded';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/calendar/v3.dart

diff --git a/generated/googleapis/lib/calendar/v3.dart b/generated/googleapis/lib/calendar/v3.dart
index d23da74..f1cf5ac 100644
--- a/generated/googleapis/lib/calendar/v3.dart
+++ b/generated/googleapis/lib/calendar/v3.dart
@@ -113,8 +113,6 @@
     core.String ruleId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (calendarId == null) {
       throw core.ArgumentError('Parameter calendarId is required.');
     }
@@ -126,7 +124,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' +
+    final _url = 'calendars/' +
         commons.Escaper.ecapeVariable('$calendarId') +
         '/acl/' +
         commons.Escaper.ecapeVariable('$ruleId');
@@ -164,8 +162,6 @@
     core.String ruleId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (calendarId == null) {
       throw core.ArgumentError('Parameter calendarId is required.');
     }
@@ -177,7 +173,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' +
+    final _url = 'calendars/' +
         commons.Escaper.ecapeVariable('$calendarId') +
         '/acl/' +
         commons.Escaper.ecapeVariable('$ruleId');
@@ -219,8 +215,6 @@
     core.bool sendNotifications,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -236,7 +230,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' + commons.Escaper.ecapeVariable('$calendarId') + '/acl';
+    final _url =
+        'calendars/' + commons.Escaper.ecapeVariable('$calendarId') + '/acl';
 
     final _response = await _requester.request(
       _url,
@@ -294,8 +289,6 @@
     core.String syncToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (calendarId == null) {
       throw core.ArgumentError('Parameter calendarId is required.');
     }
@@ -316,7 +309,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' + commons.Escaper.ecapeVariable('$calendarId') + '/acl';
+    final _url =
+        'calendars/' + commons.Escaper.ecapeVariable('$calendarId') + '/acl';
 
     final _response = await _requester.request(
       _url,
@@ -361,8 +355,6 @@
     core.bool sendNotifications,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -381,7 +373,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' +
+    final _url = 'calendars/' +
         commons.Escaper.ecapeVariable('$calendarId') +
         '/acl/' +
         commons.Escaper.ecapeVariable('$ruleId');
@@ -428,8 +420,6 @@
     core.bool sendNotifications,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -448,7 +438,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' +
+    final _url = 'calendars/' +
         commons.Escaper.ecapeVariable('$calendarId') +
         '/acl/' +
         commons.Escaper.ecapeVariable('$ruleId');
@@ -512,8 +502,6 @@
     core.String syncToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -538,7 +526,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' +
+    final _url = 'calendars/' +
         commons.Escaper.ecapeVariable('$calendarId') +
         '/acl/watch';
 
@@ -577,8 +565,6 @@
     core.String calendarId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (calendarId == null) {
       throw core.ArgumentError('Parameter calendarId is required.');
     }
@@ -587,7 +573,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'users/me/calendarList/' + commons.Escaper.ecapeVariable('$calendarId');
 
     await _requester.request(
@@ -620,8 +606,6 @@
     core.String calendarId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (calendarId == null) {
       throw core.ArgumentError('Parameter calendarId is required.');
     }
@@ -630,7 +614,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'users/me/calendarList/' + commons.Escaper.ecapeVariable('$calendarId');
 
     final _response = await _requester.request(
@@ -668,8 +652,6 @@
     core.bool colorRgbFormat,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -682,7 +664,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'users/me/calendarList';
+    const _url = 'users/me/calendarList';
 
     final _response = await _requester.request(
       _url,
@@ -752,8 +734,6 @@
     core.String syncToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (maxResults != null) {
       _queryParams['maxResults'] = ['${maxResults}'];
@@ -777,7 +757,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'users/me/calendarList';
+    const _url = 'users/me/calendarList';
 
     final _response = await _requester.request(
       _url,
@@ -821,8 +801,6 @@
     core.bool colorRgbFormat,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -838,7 +816,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'users/me/calendarList/' + commons.Escaper.ecapeVariable('$calendarId');
 
     final _response = await _requester.request(
@@ -882,8 +860,6 @@
     core.bool colorRgbFormat,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -899,7 +875,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'users/me/calendarList/' + commons.Escaper.ecapeVariable('$calendarId');
 
     final _response = await _requester.request(
@@ -973,8 +949,6 @@
     core.String syncToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1002,7 +976,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'users/me/calendarList/watch';
+    const _url = 'users/me/calendarList/watch';
 
     final _response = await _requester.request(
       _url,
@@ -1042,8 +1016,6 @@
     core.String calendarId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (calendarId == null) {
       throw core.ArgumentError('Parameter calendarId is required.');
     }
@@ -1052,7 +1024,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'calendars/' + commons.Escaper.ecapeVariable('$calendarId') + '/clear';
 
     await _requester.request(
@@ -1085,8 +1057,6 @@
     core.String calendarId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (calendarId == null) {
       throw core.ArgumentError('Parameter calendarId is required.');
     }
@@ -1095,7 +1065,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' + commons.Escaper.ecapeVariable('$calendarId');
+    final _url = 'calendars/' + commons.Escaper.ecapeVariable('$calendarId');
 
     await _requester.request(
       _url,
@@ -1127,8 +1097,6 @@
     core.String calendarId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (calendarId == null) {
       throw core.ArgumentError('Parameter calendarId is required.');
     }
@@ -1137,7 +1105,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' + commons.Escaper.ecapeVariable('$calendarId');
+    final _url = 'calendars/' + commons.Escaper.ecapeVariable('$calendarId');
 
     final _response = await _requester.request(
       _url,
@@ -1167,8 +1135,6 @@
     Calendar request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1178,7 +1144,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars';
+    const _url = 'calendars';
 
     final _response = await _requester.request(
       _url,
@@ -1216,8 +1182,6 @@
     core.String calendarId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1230,7 +1194,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' + commons.Escaper.ecapeVariable('$calendarId');
+    final _url = 'calendars/' + commons.Escaper.ecapeVariable('$calendarId');
 
     final _response = await _requester.request(
       _url,
@@ -1266,8 +1230,6 @@
     core.String calendarId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1280,7 +1242,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' + commons.Escaper.ecapeVariable('$calendarId');
+    final _url = 'calendars/' + commons.Escaper.ecapeVariable('$calendarId');
 
     final _response = await _requester.request(
       _url,
@@ -1315,8 +1277,6 @@
     Channel request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1326,7 +1286,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'channels/stop';
+    const _url = 'channels/stop';
 
     await _requester.request(
       _url,
@@ -1360,14 +1320,12 @@
   async.Future<Colors> get({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'colors';
+    const _url = 'colors';
 
     final _response = await _requester.request(
       _url,
@@ -1424,8 +1382,6 @@
     core.String sendUpdates,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (calendarId == null) {
       throw core.ArgumentError('Parameter calendarId is required.');
     }
@@ -1443,7 +1399,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' +
+    final _url = 'calendars/' +
         commons.Escaper.ecapeVariable('$calendarId') +
         '/events/' +
         commons.Escaper.ecapeVariable('$eventId');
@@ -1496,8 +1452,6 @@
     core.String timeZone,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (calendarId == null) {
       throw core.ArgumentError('Parameter calendarId is required.');
     }
@@ -1518,7 +1472,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' +
+    final _url = 'calendars/' +
         commons.Escaper.ecapeVariable('$calendarId') +
         '/events/' +
         commons.Escaper.ecapeVariable('$eventId');
@@ -1571,8 +1525,6 @@
     core.bool supportsAttachments,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1591,7 +1543,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' +
+    final _url = 'calendars/' +
         commons.Escaper.ecapeVariable('$calendarId') +
         '/events/import';
 
@@ -1665,8 +1617,6 @@
     core.bool supportsAttachments,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1694,7 +1644,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'calendars/' + commons.Escaper.ecapeVariable('$calendarId') + '/events';
 
     final _response = await _requester.request(
@@ -1774,8 +1724,6 @@
     core.String timeZone,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (calendarId == null) {
       throw core.ArgumentError('Parameter calendarId is required.');
     }
@@ -1814,7 +1762,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' +
+    final _url = 'calendars/' +
         commons.Escaper.ecapeVariable('$calendarId') +
         '/events/' +
         commons.Escaper.ecapeVariable('$eventId') +
@@ -1968,8 +1916,6 @@
     core.DateTime updatedMin,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (calendarId == null) {
       throw core.ArgumentError('Parameter calendarId is required.');
     }
@@ -2029,7 +1975,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'calendars/' + commons.Escaper.ecapeVariable('$calendarId') + '/events';
 
     final _response = await _requester.request(
@@ -2086,8 +2032,6 @@
     core.String sendUpdates,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (calendarId == null) {
       throw core.ArgumentError('Parameter calendarId is required.');
     }
@@ -2109,7 +2053,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' +
+    final _url = 'calendars/' +
         commons.Escaper.ecapeVariable('$calendarId') +
         '/events/' +
         commons.Escaper.ecapeVariable('$eventId') +
@@ -2194,8 +2138,6 @@
     core.bool supportsAttachments,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2229,7 +2171,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' +
+    final _url = 'calendars/' +
         commons.Escaper.ecapeVariable('$calendarId') +
         '/events/' +
         commons.Escaper.ecapeVariable('$eventId');
@@ -2286,8 +2228,6 @@
     core.String sendUpdates,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (calendarId == null) {
       throw core.ArgumentError('Parameter calendarId is required.');
     }
@@ -2306,7 +2246,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' +
+    final _url = 'calendars/' +
         commons.Escaper.ecapeVariable('$calendarId') +
         '/events/quickAdd';
 
@@ -2387,8 +2327,6 @@
     core.bool supportsAttachments,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2422,7 +2360,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' +
+    final _url = 'calendars/' +
         commons.Escaper.ecapeVariable('$calendarId') +
         '/events/' +
         commons.Escaper.ecapeVariable('$eventId');
@@ -2579,8 +2517,6 @@
     core.DateTime updatedMin,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2644,7 +2580,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'calendars/' +
+    final _url = 'calendars/' +
         commons.Escaper.ecapeVariable('$calendarId') +
         '/events/watch';
 
@@ -2683,8 +2619,6 @@
     FreeBusyRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2694,7 +2628,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'freeBusy';
+    const _url = 'freeBusy';
 
     final _response = await _requester.request(
       _url,
@@ -2732,8 +2666,6 @@
     core.String setting, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (setting == null) {
       throw core.ArgumentError('Parameter setting is required.');
     }
@@ -2742,7 +2674,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'users/me/settings/' + commons.Escaper.ecapeVariable('$setting');
+    final _url =
+        'users/me/settings/' + commons.Escaper.ecapeVariable('$setting');
 
     final _response = await _requester.request(
       _url,
@@ -2787,8 +2720,6 @@
     core.String syncToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (maxResults != null) {
       _queryParams['maxResults'] = ['${maxResults}'];
@@ -2803,7 +2734,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'users/me/settings';
+    const _url = 'users/me/settings';
 
     final _response = await _requester.request(
       _url,
@@ -2851,8 +2782,6 @@
     core.String syncToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2871,7 +2800,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'users/me/settings/watch';
+    const _url = 'users/me/settings/watch';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/chat/v1.dart

diff --git a/generated/googleapis/lib/chat/v1.dart b/generated/googleapis/lib/chat/v1.dart
index 82d45b4..8e0079a 100644
--- a/generated/googleapis/lib/chat/v1.dart
+++ b/generated/googleapis/lib/chat/v1.dart
@@ -114,8 +114,6 @@
     core.String threadKey,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -131,7 +129,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/messages';
 
     final _response = await _requester.request(
@@ -180,8 +178,6 @@
     core.String threadKey,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -197,7 +193,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/webhooks';
 
     final _response = await _requester.request(
@@ -252,8 +248,6 @@
     core.String threadKey,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -269,7 +263,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/messages';
 
     final _response = await _requester.request(
@@ -320,8 +314,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     if (resourceName == null) {
       throw core.ArgumentError('Parameter resourceName is required.');
     }
@@ -330,7 +322,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/media/' + commons.Escaper.ecapeVariableReserved('$resourceName');
+    final _url =
+        'v1/media/' + commons.Escaper.ecapeVariableReserved('$resourceName');
 
     final _response = await _requester.request(
       _url,
@@ -392,8 +385,6 @@
     core.String threadKey,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -409,7 +400,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/messages';
 
     final _response = await _requester.request(
@@ -458,8 +449,6 @@
     core.String threadKey,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -475,7 +464,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/webhooks';
 
     final _response = await _requester.request(
@@ -530,8 +519,6 @@
     core.String threadKey,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -547,7 +534,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/messages';
 
     final _response = await _requester.request(
@@ -590,8 +577,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -600,7 +585,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -636,8 +621,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -649,7 +632,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/spaces';
+    const _url = 'v1/spaces';
 
     final _response = await _requester.request(
       _url,
@@ -697,8 +680,6 @@
     core.String threadKey,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -714,7 +695,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/webhooks';
 
     final _response = await _requester.request(
@@ -755,8 +736,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -765,7 +744,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -808,8 +787,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -824,7 +801,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/members';
 
     final _response = await _requester.request(
@@ -880,8 +857,6 @@
     core.String threadKey,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -897,7 +872,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/messages';
 
     final _response = await _requester.request(
@@ -932,8 +907,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -942,7 +915,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -975,8 +948,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -985,7 +956,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1024,8 +995,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1041,7 +1010,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1084,8 +1053,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1094,7 +1061,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/chromeuxreport/v1.dart

diff --git a/generated/googleapis/lib/chromeuxreport/v1.dart b/generated/googleapis/lib/chromeuxreport/v1.dart
index 3314ccc..05917f5 100644
--- a/generated/googleapis/lib/chromeuxreport/v1.dart
+++ b/generated/googleapis/lib/chromeuxreport/v1.dart
@@ -81,8 +81,6 @@
     QueryRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -92,7 +90,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/records:queryRecord';
+    const _url = 'v1/records:queryRecord';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/civicinfo/v2.dart

diff --git a/generated/googleapis/lib/civicinfo/v2.dart b/generated/googleapis/lib/civicinfo/v2.dart
index 1ee47be..20b8c61 100644
--- a/generated/googleapis/lib/civicinfo/v2.dart
+++ b/generated/googleapis/lib/civicinfo/v2.dart
@@ -85,8 +85,6 @@
     core.String query,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (query != null) {
       _queryParams['query'] = [query];
@@ -95,7 +93,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'civicinfo/v2/divisions';
+    const _url = 'civicinfo/v2/divisions';
 
     final _response = await _requester.request(
       _url,
@@ -129,14 +127,12 @@
   async.Future<ElectionsQueryResponse> electionQuery({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'civicinfo/v2/elections';
+    const _url = 'civicinfo/v2/elections';
 
     final _response = await _requester.request(
       _url,
@@ -186,8 +182,6 @@
     core.bool returnAllAvailableData,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (address == null) {
       throw core.ArgumentError('Parameter address is required.');
@@ -206,7 +200,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'civicinfo/v2/voterinfo';
+    const _url = 'civicinfo/v2/voterinfo';
 
     final _response = await _requester.request(
       _url,
@@ -260,8 +254,6 @@
     core.List<core.String> roles,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (address != null) {
       _queryParams['address'] = [address];
@@ -279,7 +271,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'civicinfo/v2/representatives';
+    const _url = 'civicinfo/v2/representatives';
 
     final _response = await _requester.request(
       _url,
@@ -327,8 +319,6 @@
     core.List<core.String> roles,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (ocdId == null) {
       throw core.ArgumentError('Parameter ocdId is required.');
     }
@@ -346,7 +336,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'civicinfo/v2/representatives/' +
+    final _url = 'civicinfo/v2/representatives/' +
         commons.Escaper.ecapeVariable('$ocdId');
 
     final _response = await _requester.request(

generated/googleapis/lib/classroom/v1.dart

diff --git a/generated/googleapis/lib/classroom/v1.dart b/generated/googleapis/lib/classroom/v1.dart
index e54244a..20dcaec 100644
--- a/generated/googleapis/lib/classroom/v1.dart
+++ b/generated/googleapis/lib/classroom/v1.dart
@@ -203,8 +203,6 @@
     Course request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -214,7 +212,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses';
+    const _url = 'v1/courses';
 
     final _response = await _requester.request(
       _url,
@@ -250,8 +248,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
     }
@@ -260,7 +256,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'v1/courses/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -295,8 +291,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
     }
@@ -305,7 +299,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'v1/courses/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -367,8 +361,6 @@
     core.String teacherId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (courseStates != null) {
       _queryParams['courseStates'] = courseStates;
@@ -389,7 +381,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses';
+    const _url = 'v1/courses';
 
     final _response = await _requester.request(
       _url,
@@ -441,8 +433,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -458,7 +448,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'v1/courses/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -499,8 +489,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -513,7 +501,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'v1/courses/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -561,8 +549,6 @@
     core.String courseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -575,7 +561,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/courses/' + commons.Escaper.ecapeVariable('$courseId') + '/aliases';
 
     final _response = await _requester.request(
@@ -620,8 +606,6 @@
     core.String alias, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -633,7 +617,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/aliases/' +
         commons.Escaper.ecapeVariable('$alias');
@@ -682,8 +666,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -698,7 +680,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/courses/' + commons.Escaper.ecapeVariable('$courseId') + '/aliases';
 
     final _response = await _requester.request(
@@ -749,8 +731,6 @@
     core.String courseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -763,7 +743,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/announcements';
 
@@ -811,8 +791,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -824,7 +802,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/announcements/' +
         commons.Escaper.ecapeVariable('$id');
@@ -867,8 +845,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -880,7 +856,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/announcements/' +
         commons.Escaper.ecapeVariable('$id');
@@ -945,8 +921,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -967,7 +941,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/announcements';
 
@@ -1014,8 +988,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1031,7 +1003,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/announcements/' +
         commons.Escaper.ecapeVariable('$id') +
@@ -1091,8 +1063,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1111,7 +1081,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/announcements/' +
         commons.Escaper.ecapeVariable('$id');
@@ -1172,8 +1142,6 @@
     core.String courseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1186,7 +1154,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWork';
 
@@ -1234,8 +1202,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -1247,7 +1213,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWork/' +
         commons.Escaper.ecapeVariable('$id');
@@ -1290,8 +1256,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -1303,7 +1267,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWork/' +
         commons.Escaper.ecapeVariable('$id');
@@ -1368,8 +1332,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -1390,7 +1352,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWork';
 
@@ -1437,8 +1399,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1454,7 +1414,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWork/' +
         commons.Escaper.ecapeVariable('$id') +
@@ -1521,8 +1481,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1541,7 +1499,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWork/' +
         commons.Escaper.ecapeVariable('$id');
@@ -1595,8 +1553,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -1611,7 +1567,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWork/' +
         commons.Escaper.ecapeVariable('$courseWorkId') +
@@ -1695,8 +1651,6 @@
     core.String userId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -1723,7 +1677,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWork/' +
         commons.Escaper.ecapeVariable('$courseWorkId') +
@@ -1780,8 +1734,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1800,7 +1752,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWork/' +
         commons.Escaper.ecapeVariable('$courseWorkId') +
@@ -1866,8 +1818,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1889,7 +1839,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWork/' +
         commons.Escaper.ecapeVariable('$courseWorkId') +
@@ -1950,8 +1900,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1970,7 +1918,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWork/' +
         commons.Escaper.ecapeVariable('$courseWorkId') +
@@ -2031,8 +1979,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2051,7 +1997,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWork/' +
         commons.Escaper.ecapeVariable('$courseWorkId') +
@@ -2110,8 +2056,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2130,7 +2074,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWork/' +
         commons.Escaper.ecapeVariable('$courseWorkId') +
@@ -2186,8 +2130,6 @@
     core.String courseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2200,7 +2142,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWorkMaterials';
 
@@ -2249,8 +2191,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -2262,7 +2202,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWorkMaterials/' +
         commons.Escaper.ecapeVariable('$id');
@@ -2305,8 +2245,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -2318,7 +2256,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWorkMaterials/' +
         commons.Escaper.ecapeVariable('$id');
@@ -2394,8 +2332,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -2422,7 +2358,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWorkMaterials';
 
@@ -2479,8 +2415,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2499,7 +2433,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/courseWorkMaterials/' +
         commons.Escaper.ecapeVariable('$id');
@@ -2558,8 +2492,6 @@
     core.String enrollmentCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2575,7 +2507,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/students';
 
@@ -2620,8 +2552,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -2633,7 +2563,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/students/' +
         commons.Escaper.ecapeVariable('$userId');
@@ -2678,8 +2608,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -2691,7 +2619,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/students/' +
         commons.Escaper.ecapeVariable('$userId');
@@ -2740,8 +2668,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -2756,7 +2682,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/students';
 
@@ -2808,8 +2734,6 @@
     core.String courseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2822,7 +2746,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/teachers';
 
@@ -2868,8 +2792,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -2881,7 +2803,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/teachers/' +
         commons.Escaper.ecapeVariable('$userId');
@@ -2926,8 +2848,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -2939,7 +2859,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/teachers/' +
         commons.Escaper.ecapeVariable('$userId');
@@ -2988,8 +2908,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -3004,7 +2922,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/teachers';
 
@@ -3053,8 +2971,6 @@
     core.String courseId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3067,7 +2983,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/courses/' + commons.Escaper.ecapeVariable('$courseId') + '/topics';
 
     final _response = await _requester.request(
@@ -3109,8 +3025,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -3122,7 +3036,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/topics/' +
         commons.Escaper.ecapeVariable('$id');
@@ -3163,8 +3077,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -3176,7 +3088,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/topics/' +
         commons.Escaper.ecapeVariable('$id');
@@ -3226,8 +3138,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (courseId == null) {
       throw core.ArgumentError('Parameter courseId is required.');
     }
@@ -3242,7 +3152,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/courses/' + commons.Escaper.ecapeVariable('$courseId') + '/topics';
 
     final _response = await _requester.request(
@@ -3295,8 +3205,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3315,7 +3223,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/courses/' +
+    final _url = 'v1/courses/' +
         commons.Escaper.ecapeVariable('$courseId') +
         '/topics/' +
         commons.Escaper.ecapeVariable('$id');
@@ -3364,8 +3272,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
     }
@@ -3374,7 +3280,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/invitations/' + commons.Escaper.ecapeVariable('$id') + ':accept';
+    final _url =
+        'v1/invitations/' + commons.Escaper.ecapeVariable('$id') + ':accept';
 
     final _response = await _requester.request(
       _url,
@@ -3413,8 +3320,6 @@
     Invitation request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3424,7 +3329,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/invitations';
+    const _url = 'v1/invitations';
 
     final _response = await _requester.request(
       _url,
@@ -3461,8 +3366,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
     }
@@ -3471,7 +3374,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/invitations/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'v1/invitations/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -3506,8 +3409,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
     }
@@ -3516,7 +3417,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/invitations/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'v1/invitations/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -3570,8 +3471,6 @@
     core.String userId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (courseId != null) {
       _queryParams['courseId'] = [courseId];
@@ -3589,7 +3488,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/invitations';
+    const _url = 'v1/invitations';
 
     final _response = await _requester.request(
       _url,
@@ -3649,8 +3548,6 @@
     Registration request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3660,7 +3557,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/registrations';
+    const _url = 'v1/registrations';
 
     final _response = await _requester.request(
       _url,
@@ -3694,8 +3591,6 @@
     core.String registrationId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (registrationId == null) {
       throw core.ArgumentError('Parameter registrationId is required.');
     }
@@ -3704,7 +3599,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/registrations/' + commons.Escaper.ecapeVariable('$registrationId');
 
     final _response = await _requester.request(
@@ -3753,8 +3648,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -3763,7 +3656,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/userProfiles/' + commons.Escaper.ecapeVariable('$userId');
+    final _url = 'v1/userProfiles/' + commons.Escaper.ecapeVariable('$userId');
 
     final _response = await _requester.request(
       _url,
@@ -3828,8 +3721,6 @@
     core.String studentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3842,7 +3733,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/userProfiles/' +
+    final _url = 'v1/userProfiles/' +
         commons.Escaper.ecapeVariable('$studentId') +
         '/guardianInvitations';
 
@@ -3891,8 +3782,6 @@
     core.String invitationId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (studentId == null) {
       throw core.ArgumentError('Parameter studentId is required.');
     }
@@ -3904,7 +3793,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/userProfiles/' +
+    final _url = 'v1/userProfiles/' +
         commons.Escaper.ecapeVariable('$studentId') +
         '/guardianInvitations/' +
         commons.Escaper.ecapeVariable('$invitationId');
@@ -3975,8 +3864,6 @@
     core.List<core.String> states,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (studentId == null) {
       throw core.ArgumentError('Parameter studentId is required.');
     }
@@ -3997,7 +3884,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/userProfiles/' +
+    final _url = 'v1/userProfiles/' +
         commons.Escaper.ecapeVariable('$studentId') +
         '/guardianInvitations';
 
@@ -4058,8 +3945,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4078,7 +3963,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/userProfiles/' +
+    final _url = 'v1/userProfiles/' +
         commons.Escaper.ecapeVariable('$studentId') +
         '/guardianInvitations/' +
         commons.Escaper.ecapeVariable('$invitationId');
@@ -4138,8 +4023,6 @@
     core.String guardianId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (studentId == null) {
       throw core.ArgumentError('Parameter studentId is required.');
     }
@@ -4151,7 +4034,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/userProfiles/' +
+    final _url = 'v1/userProfiles/' +
         commons.Escaper.ecapeVariable('$studentId') +
         '/guardians/' +
         commons.Escaper.ecapeVariable('$guardianId');
@@ -4201,8 +4084,6 @@
     core.String guardianId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (studentId == null) {
       throw core.ArgumentError('Parameter studentId is required.');
     }
@@ -4214,7 +4095,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/userProfiles/' +
+    final _url = 'v1/userProfiles/' +
         commons.Escaper.ecapeVariable('$studentId') +
         '/guardians/' +
         commons.Escaper.ecapeVariable('$guardianId');
@@ -4284,8 +4165,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (studentId == null) {
       throw core.ArgumentError('Parameter studentId is required.');
     }
@@ -4303,7 +4182,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/userProfiles/' +
+    final _url = 'v1/userProfiles/' +
         commons.Escaper.ecapeVariable('$studentId') +
         '/guardians';
 

generated/googleapis/lib/cloudasset/v1.dart

diff --git a/generated/googleapis/lib/cloudasset/v1.dart b/generated/googleapis/lib/cloudasset/v1.dart
index 7f9230a..d1ff82f 100644
--- a/generated/googleapis/lib/cloudasset/v1.dart
+++ b/generated/googleapis/lib/cloudasset/v1.dart
@@ -93,8 +93,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -107,7 +105,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/feeds';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/feeds';
 
     final _response = await _requester.request(
       _url,
@@ -141,8 +140,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -151,7 +148,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -184,8 +181,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -194,7 +189,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -228,8 +223,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -238,7 +231,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/feeds';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/feeds';
 
     final _response = await _requester.request(
       _url,
@@ -278,8 +272,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -292,7 +284,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -333,8 +325,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -343,7 +333,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -487,8 +477,6 @@
     core.String executionTimeout,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (scope == null) {
       throw core.ArgumentError('Parameter scope is required.');
     }
@@ -547,7 +535,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$scope') +
         ':analyzeIamPolicy';
 
@@ -601,8 +589,6 @@
     core.String scope, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -615,7 +601,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$scope') +
         ':analyzeIamPolicyLongrunning';
 
@@ -684,8 +670,6 @@
     core.String readTimeWindow_startTime,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -706,7 +690,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':batchGetAssetsHistory';
 
@@ -756,8 +740,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -770,7 +752,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':exportAssets';
 
@@ -862,8 +844,6 @@
     core.String query,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (scope == null) {
       throw core.ArgumentError('Parameter scope is required.');
     }
@@ -881,7 +861,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$scope') +
         ':searchAllIamPolicies';
 
@@ -984,8 +964,6 @@
     core.String query,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (scope == null) {
       throw core.ArgumentError('Parameter scope is required.');
     }
@@ -1009,7 +987,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$scope') +
         ':searchAllResources';
 

generated/googleapis/lib/cloudbilling/v1.dart

diff --git a/generated/googleapis/lib/cloudbilling/v1.dart b/generated/googleapis/lib/cloudbilling/v1.dart
index 85b9195..ab0a86b 100644
--- a/generated/googleapis/lib/cloudbilling/v1.dart
+++ b/generated/googleapis/lib/cloudbilling/v1.dart
@@ -108,8 +108,6 @@
     BillingAccount request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -119,7 +117,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/billingAccounts';
+    const _url = 'v1/billingAccounts';
 
     final _response = await _requester.request(
       _url,
@@ -156,8 +154,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -166,7 +162,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -213,8 +209,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -228,7 +222,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -277,8 +271,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filter != null) {
       _queryParams['filter'] = [filter];
@@ -293,7 +285,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/billingAccounts';
+    const _url = 'v1/billingAccounts';
 
     final _response = await _requester.request(
       _url,
@@ -338,8 +330,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -355,7 +345,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -398,8 +388,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -412,7 +400,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -455,8 +443,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -469,7 +455,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -528,8 +514,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -544,7 +528,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/projects';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/projects';
 
     final _response = await _requester.request(
       _url,
@@ -587,8 +572,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -597,7 +580,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/billingInfo';
 
     final _response = await _requester.request(
@@ -661,8 +644,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -675,7 +656,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/billingInfo';
 
     final _response = await _requester.request(
@@ -721,8 +702,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -734,7 +713,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services';
+    const _url = 'v1/services';
 
     final _response = await _requester.request(
       _url,
@@ -802,8 +781,6 @@
     core.String startTime,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -827,7 +804,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/skus';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/skus';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/cloudbuild/v1.dart

diff --git a/generated/googleapis/lib/cloudbuild/v1.dart b/generated/googleapis/lib/cloudbuild/v1.dart
index b37a778..8789c6a 100644
--- a/generated/googleapis/lib/cloudbuild/v1.dart
+++ b/generated/googleapis/lib/cloudbuild/v1.dart
@@ -99,8 +99,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -113,7 +111,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -148,8 +147,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -158,7 +155,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -211,8 +208,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -228,7 +223,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/builds/' +
         commons.Escaper.ecapeVariable('$id') +
@@ -274,8 +269,6 @@
     core.String parent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -291,7 +284,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/builds';
 
@@ -334,8 +327,6 @@
     core.String name,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -350,7 +341,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/builds/' +
         commons.Escaper.ecapeVariable('$id');
@@ -403,8 +394,6 @@
     core.String parent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -425,7 +414,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/builds';
 
@@ -481,8 +470,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -498,7 +485,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/builds/' +
         commons.Escaper.ecapeVariable('$id') +
@@ -557,8 +544,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -571,7 +556,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -614,8 +600,6 @@
     core.String projectId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -631,7 +615,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/builds';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/builds';
 
     final _response = await _requester.request(
       _url,
@@ -674,8 +659,6 @@
     core.String projectId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -690,7 +673,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -741,8 +724,6 @@
     core.String projectId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -763,7 +744,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/builds';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/builds';
 
     final _response = await _requester.request(
       _url,
@@ -817,8 +799,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -831,7 +811,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':retry';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':retry';
 
     final _response = await _requester.request(
       _url,
@@ -883,8 +864,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -897,7 +876,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -933,8 +913,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -943,7 +921,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -985,8 +963,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -999,7 +975,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/triggers';
 
@@ -1038,8 +1014,6 @@
     core.String triggerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -1051,7 +1025,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/triggers/' +
         commons.Escaper.ecapeVariable('$triggerId');
@@ -1090,8 +1064,6 @@
     core.String triggerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -1103,7 +1075,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/triggers/' +
         commons.Escaper.ecapeVariable('$triggerId');
@@ -1145,8 +1117,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -1161,7 +1131,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/triggers';
 
@@ -1202,8 +1172,6 @@
     core.String triggerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1219,7 +1187,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/triggers/' +
         commons.Escaper.ecapeVariable('$triggerId');
@@ -1260,8 +1228,6 @@
     core.String triggerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1277,7 +1243,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/triggers/' +
         commons.Escaper.ecapeVariable('$triggerId') +
@@ -1323,8 +1289,6 @@
     core.String secret,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1343,7 +1307,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/triggers/' +
         commons.Escaper.ecapeVariable('$trigger') +

generated/googleapis/lib/clouddebugger/v2.dart

diff --git a/generated/googleapis/lib/clouddebugger/v2.dart b/generated/googleapis/lib/clouddebugger/v2.dart
index 9b20126..74a967d 100644
--- a/generated/googleapis/lib/clouddebugger/v2.dart
+++ b/generated/googleapis/lib/clouddebugger/v2.dart
@@ -112,8 +112,6 @@
     RegisterDebuggeeRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -123,7 +121,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/controller/debuggees/register';
+    const _url = 'v2/controller/debuggees/register';
 
     final _response = await _requester.request(
       _url,
@@ -189,8 +187,6 @@
     core.String waitToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (debuggeeId == null) {
       throw core.ArgumentError('Parameter debuggeeId is required.');
     }
@@ -208,7 +204,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/controller/debuggees/' +
+    final _url = 'v2/controller/debuggees/' +
         commons.Escaper.ecapeVariable('$debuggeeId') +
         '/breakpoints';
 
@@ -254,8 +250,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -271,7 +265,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/controller/debuggees/' +
+    final _url = 'v2/controller/debuggees/' +
         commons.Escaper.ecapeVariable('$debuggeeId') +
         '/breakpoints/' +
         commons.Escaper.ecapeVariable('$id');
@@ -333,8 +327,6 @@
     core.String project,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (clientVersion != null) {
       _queryParams['clientVersion'] = [clientVersion];
@@ -349,7 +341,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/debugger/debuggees';
+    const _url = 'v2/debugger/debuggees';
 
     final _response = await _requester.request(
       _url,
@@ -394,8 +386,6 @@
     core.String clientVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (debuggeeId == null) {
       throw core.ArgumentError('Parameter debuggeeId is required.');
     }
@@ -410,7 +400,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/debugger/debuggees/' +
+    final _url = 'v2/debugger/debuggees/' +
         commons.Escaper.ecapeVariable('$debuggeeId') +
         '/breakpoints/' +
         commons.Escaper.ecapeVariable('$breakpointId');
@@ -450,8 +440,6 @@
     core.String clientVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (debuggeeId == null) {
       throw core.ArgumentError('Parameter debuggeeId is required.');
     }
@@ -466,7 +454,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/debugger/debuggees/' +
+    final _url = 'v2/debugger/debuggees/' +
         commons.Escaper.ecapeVariable('$debuggeeId') +
         '/breakpoints/' +
         commons.Escaper.ecapeVariable('$breakpointId');
@@ -535,8 +523,6 @@
     core.String waitToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (debuggeeId == null) {
       throw core.ArgumentError('Parameter debuggeeId is required.');
     }
@@ -563,7 +549,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/debugger/debuggees/' +
+    final _url = 'v2/debugger/debuggees/' +
         commons.Escaper.ecapeVariable('$debuggeeId') +
         '/breakpoints';
 
@@ -617,8 +603,6 @@
     core.String clientVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -637,7 +621,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/debugger/debuggees/' +
+    final _url = 'v2/debugger/debuggees/' +
         commons.Escaper.ecapeVariable('$debuggeeId') +
         '/breakpoints/set';
 

generated/googleapis/lib/cloudfunctions/v1.dart

diff --git a/generated/googleapis/lib/cloudfunctions/v1.dart b/generated/googleapis/lib/cloudfunctions/v1.dart
index 62b0f56..d338257 100644
--- a/generated/googleapis/lib/cloudfunctions/v1.dart
+++ b/generated/googleapis/lib/cloudfunctions/v1.dart
@@ -87,8 +87,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -97,7 +95,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -153,8 +151,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filter != null) {
       _queryParams['filter'] = [filter];
@@ -172,7 +168,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/operations';
+    const _url = 'v1/operations';
 
     final _response = await _requester.request(
       _url,
@@ -231,8 +227,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -250,7 +244,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -298,8 +292,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -312,7 +304,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':call';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':call';
 
     final _response = await _requester.request(
       _url,
@@ -352,8 +345,6 @@
     core.String location, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -366,7 +357,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$location') +
         '/functions';
 
@@ -404,8 +395,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -414,7 +403,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -454,8 +443,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -468,7 +455,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':generateDownloadUrl';
 
@@ -523,8 +510,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -537,7 +522,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/functions:generateUploadUrl';
 
@@ -574,8 +559,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -584,7 +567,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -631,8 +614,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -646,7 +627,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -692,8 +673,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -708,7 +687,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/functions';
 
     final _response = await _requester.request(
@@ -750,8 +729,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -767,7 +744,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -807,8 +784,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -821,7 +796,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -865,8 +840,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -879,7 +852,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 

generated/googleapis/lib/cloudidentity/v1.dart

diff --git a/generated/googleapis/lib/cloudidentity/v1.dart b/generated/googleapis/lib/cloudidentity/v1.dart
index 861087c..b863699 100644
--- a/generated/googleapis/lib/cloudidentity/v1.dart
+++ b/generated/googleapis/lib/cloudidentity/v1.dart
@@ -115,8 +115,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -129,7 +127,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancelWipe';
 
     final _response = await _requester.request(
@@ -174,8 +172,6 @@
     core.String customer,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -188,7 +184,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/devices';
+    const _url = 'v1/devices';
 
     final _response = await _requester.request(
       _url,
@@ -231,8 +227,6 @@
     core.String customer,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -244,7 +238,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -287,8 +281,6 @@
     core.String customer,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -300,7 +292,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -373,8 +365,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (customer != null) {
       _queryParams['customer'] = [customer];
@@ -398,7 +388,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/devices';
+    const _url = 'v1/devices';
 
     final _response = await _requester.request(
       _url,
@@ -437,8 +427,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -451,7 +439,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':wipe';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':wipe';
 
     final _response = await _requester.request(
       _url,
@@ -499,8 +488,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -513,7 +500,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':approve';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':approve';
 
     final _response = await _requester.request(
       _url,
@@ -552,8 +540,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -566,7 +552,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':block';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':block';
 
     final _response = await _requester.request(
       _url,
@@ -608,8 +595,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -622,7 +607,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancelWipe';
 
     final _response = await _requester.request(
@@ -669,8 +654,6 @@
     core.String customer,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -682,7 +665,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -725,8 +708,6 @@
     core.String customer,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -738,7 +719,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -801,8 +782,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -826,7 +805,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deviceUsers';
 
@@ -902,8 +881,6 @@
     core.String userId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -927,7 +904,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + ':lookup';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + ':lookup';
 
     final _response = await _requester.request(
       _url,
@@ -973,8 +951,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -987,7 +963,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':wipe';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':wipe';
 
     final _response = await _requester.request(
       _url,
@@ -1046,8 +1023,6 @@
     core.String customer,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1059,7 +1034,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1117,8 +1092,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1139,7 +1112,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/clientStates';
 
@@ -1208,8 +1181,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1228,7 +1199,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1278,8 +1249,6 @@
     core.String initialGroupConfig,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1292,7 +1261,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/groups';
+    const _url = 'v1/groups';
 
     final _response = await _requester.request(
       _url,
@@ -1326,8 +1295,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1336,7 +1303,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1369,8 +1336,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1379,7 +1344,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1432,8 +1397,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -1451,7 +1414,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/groups';
+    const _url = 'v1/groups';
 
     final _response = await _requester.request(
       _url,
@@ -1495,8 +1458,6 @@
     core.String groupKey_namespace,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (groupKey_id != null) {
       _queryParams['groupKey.id'] = [groupKey_id];
@@ -1508,7 +1469,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/groups:lookup';
+    const _url = 'v1/groups:lookup';
 
     final _response = await _requester.request(
       _url,
@@ -1549,8 +1510,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1566,7 +1525,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1622,8 +1581,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -1641,7 +1598,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/groups:search';
+    const _url = 'v1/groups:search';
 
     final _response = await _requester.request(
       _url,
@@ -1699,8 +1656,6 @@
     core.String query,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1712,7 +1667,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/memberships:checkTransitiveMembership';
 
@@ -1750,8 +1705,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1764,7 +1717,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/memberships';
 
@@ -1801,8 +1754,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1811,7 +1762,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1845,8 +1796,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1855,7 +1804,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1910,8 +1859,6 @@
     core.String query,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1923,7 +1870,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/memberships:getMembershipGraph';
 
@@ -1978,8 +1925,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1997,7 +1942,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/memberships';
 
@@ -2048,8 +1993,6 @@
     core.String memberKey_namespace,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2064,7 +2007,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/memberships:lookup';
 
@@ -2104,8 +2047,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2118,7 +2059,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':modifyMembershipRoles';
 
@@ -2180,8 +2121,6 @@
     core.String query,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2199,7 +2138,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/memberships:searchTransitiveGroups';
 
@@ -2251,8 +2190,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2267,7 +2204,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/memberships:searchTransitiveMemberships';
 

generated/googleapis/lib/cloudiot/v1.dart

diff --git a/generated/googleapis/lib/cloudiot/v1.dart b/generated/googleapis/lib/cloudiot/v1.dart
index cd64c8f..0fa5ff1 100644
--- a/generated/googleapis/lib/cloudiot/v1.dart
+++ b/generated/googleapis/lib/cloudiot/v1.dart
@@ -121,8 +121,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -135,7 +133,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':bindDeviceToGateway';
 
@@ -175,8 +173,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -189,7 +185,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/registries';
 
@@ -226,8 +222,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -236,7 +230,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -269,8 +263,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -279,7 +271,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -320,8 +312,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -334,7 +324,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -381,8 +371,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -397,7 +385,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/registries';
 
@@ -443,8 +431,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -460,7 +446,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -501,8 +487,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -515,7 +499,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -558,8 +542,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -572,7 +554,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -612,8 +594,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -626,7 +606,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':unbindDeviceFromGateway';
 
@@ -679,8 +659,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -693,7 +671,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/devices';
 
     final _response = await _requester.request(
@@ -730,8 +708,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -740,7 +716,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -779,8 +755,6 @@
     core.String fieldMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -792,7 +766,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -874,8 +848,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -914,7 +886,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/devices';
 
     final _response = await _requester.request(
@@ -957,8 +929,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -971,7 +941,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':modifyCloudToDeviceConfig';
 
@@ -1020,8 +990,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1037,7 +1005,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1089,8 +1057,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1103,7 +1069,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':sendCommandToDevice';
 
@@ -1157,8 +1123,6 @@
     core.int numVersions,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1170,7 +1134,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/configVersions';
 
@@ -1221,8 +1185,6 @@
     core.int numStates,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1234,7 +1196,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/states';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/states';
 
     final _response = await _requester.request(
       _url,
@@ -1285,8 +1248,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1299,7 +1260,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -1341,8 +1302,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1355,7 +1314,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1398,8 +1357,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1412,7 +1369,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -1505,8 +1462,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1545,7 +1500,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/devices';
 
     final _response = await _requester.request(

generated/googleapis/lib/cloudkms/v1.dart

diff --git a/generated/googleapis/lib/cloudkms/v1.dart b/generated/googleapis/lib/cloudkms/v1.dart
index a40bacd..005358d 100644
--- a/generated/googleapis/lib/cloudkms/v1.dart
+++ b/generated/googleapis/lib/cloudkms/v1.dart
@@ -103,8 +103,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -113,7 +111,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -153,8 +151,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -172,7 +168,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -225,8 +221,6 @@
     core.String keyRingId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -242,7 +236,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/keyRings';
 
     final _response = await _requester.request(
@@ -276,8 +270,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -286,7 +278,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -332,8 +324,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -347,7 +337,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -402,8 +392,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -424,7 +412,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/keyRings';
 
     final _response = await _requester.request(
@@ -466,8 +454,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -480,7 +466,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -525,8 +511,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -539,7 +523,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -603,8 +587,6 @@
     core.bool skipInitialVersionCreation,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -625,7 +607,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/cryptoKeys';
 
@@ -666,8 +648,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -680,7 +660,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':decrypt';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':decrypt';
 
     final _response = await _requester.request(
       _url,
@@ -721,8 +702,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -735,7 +714,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':encrypt';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':encrypt';
 
     final _response = await _requester.request(
       _url,
@@ -770,8 +750,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -780,7 +758,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -826,8 +804,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -841,7 +817,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -906,8 +882,6 @@
     core.String versionView,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -931,7 +905,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/cryptoKeys';
 
@@ -973,8 +947,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -990,7 +962,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1031,8 +1003,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1045,7 +1015,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1090,8 +1060,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1104,7 +1072,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -1145,8 +1113,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1159,7 +1125,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':updatePrimaryVersion';
 
@@ -1208,8 +1174,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1222,7 +1186,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':asymmetricDecrypt';
 
@@ -1264,8 +1228,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1278,7 +1240,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':asymmetricSign';
 
@@ -1321,8 +1283,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1335,7 +1295,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/cryptoKeyVersions';
 
@@ -1380,8 +1340,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1394,7 +1352,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':destroy';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':destroy';
 
     final _response = await _requester.request(
       _url,
@@ -1428,8 +1387,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1438,7 +1395,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1473,8 +1430,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1483,7 +1438,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/publicKey';
 
     final _response = await _requester.request(
@@ -1523,8 +1478,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1537,7 +1490,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/cryptoKeyVersions:import';
 
@@ -1604,8 +1557,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1629,7 +1580,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/cryptoKeyVersions';
 
@@ -1676,8 +1627,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1693,7 +1642,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1733,8 +1682,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1747,7 +1694,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':restore';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':restore';
 
     final _response = await _requester.request(
       _url,
@@ -1798,8 +1746,6 @@
     core.String importJobId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1815,7 +1761,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/importJobs';
 
@@ -1850,8 +1796,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1860,7 +1804,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1906,8 +1850,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -1921,7 +1863,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -1977,8 +1919,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1999,7 +1939,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/importJobs';
 
@@ -2042,8 +1982,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2056,7 +1994,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -2101,8 +2039,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2115,7 +2051,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 

generated/googleapis/lib/cloudprofiler/v2.dart

diff --git a/generated/googleapis/lib/cloudprofiler/v2.dart b/generated/googleapis/lib/cloudprofiler/v2.dart
index 92a0489..9d3a97b 100644
--- a/generated/googleapis/lib/cloudprofiler/v2.dart
+++ b/generated/googleapis/lib/cloudprofiler/v2.dart
@@ -110,8 +110,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -124,7 +122,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/profiles';
 
     final _response = await _requester.request(
@@ -163,8 +161,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -177,7 +173,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/profiles:createOffline';
 
@@ -225,8 +221,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -242,7 +236,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/cloudresourcemanager/v1.dart

diff --git a/generated/googleapis/lib/cloudresourcemanager/v1.dart b/generated/googleapis/lib/cloudresourcemanager/v1.dart
index 2c26757..be608f0 100644
--- a/generated/googleapis/lib/cloudresourcemanager/v1.dart
+++ b/generated/googleapis/lib/cloudresourcemanager/v1.dart
@@ -97,8 +97,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -111,7 +109,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':clearOrgPolicy';
 
@@ -154,8 +152,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -168,7 +164,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getEffectiveOrgPolicy';
 
@@ -210,8 +206,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -224,7 +218,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getOrgPolicy';
 
@@ -262,8 +256,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -276,7 +268,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':listAvailableOrgPolicyConstraints';
 
@@ -314,8 +306,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -328,7 +318,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':listOrgPolicies';
 
@@ -370,8 +360,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -384,7 +372,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setOrgPolicy';
 
@@ -428,8 +416,6 @@
     Lien request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -439,7 +425,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/liens';
+    const _url = 'v1/liens';
 
     final _response = await _requester.request(
       _url,
@@ -475,8 +461,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -485,7 +469,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -521,8 +505,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -531,7 +513,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -577,8 +559,6 @@
     core.String parent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -593,7 +573,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/liens';
+    const _url = 'v1/liens';
 
     final _response = await _requester.request(
       _url,
@@ -634,8 +614,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -644,7 +622,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -684,8 +662,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -698,7 +674,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':clearOrgPolicy';
 
@@ -735,8 +711,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -745,7 +719,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -786,8 +760,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -800,7 +772,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getEffectiveOrgPolicy';
 
@@ -844,8 +816,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -858,7 +828,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -900,8 +870,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -914,7 +882,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getOrgPolicy';
 
@@ -952,8 +920,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -966,7 +932,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':listAvailableOrgPolicyConstraints';
 
@@ -1004,8 +970,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1018,7 +982,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':listOrgPolicies';
 
@@ -1058,8 +1022,6 @@
     SearchOrganizationsRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1069,7 +1031,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/organizations:search';
+    const _url = 'v1/organizations:search';
 
     final _response = await _requester.request(
       _url,
@@ -1112,8 +1074,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1126,7 +1086,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1167,8 +1127,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1181,7 +1139,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setOrgPolicy';
 
@@ -1224,8 +1182,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1238,7 +1194,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -1282,8 +1238,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1296,7 +1250,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':clearOrgPolicy';
 
@@ -1341,8 +1295,6 @@
     Project request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1352,7 +1304,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects';
+    const _url = 'v1/projects';
 
     final _response = await _requester.request(
       _url,
@@ -1394,8 +1346,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -1404,7 +1354,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' + commons.Escaper.ecapeVariable('$projectId');
+    final _url = 'v1/projects/' + commons.Escaper.ecapeVariable('$projectId');
 
     final _response = await _requester.request(
       _url,
@@ -1437,8 +1387,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -1447,7 +1395,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' + commons.Escaper.ecapeVariable('$projectId');
+    final _url = 'v1/projects/' + commons.Escaper.ecapeVariable('$projectId');
 
     final _response = await _requester.request(
       _url,
@@ -1483,8 +1431,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1497,7 +1443,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         ':getAncestry';
 
@@ -1541,8 +1487,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1555,7 +1499,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getEffectiveOrgPolicy';
 
@@ -1600,8 +1544,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1614,7 +1556,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$resource') +
         ':getIamPolicy';
 
@@ -1656,8 +1598,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1670,7 +1610,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getOrgPolicy';
 
@@ -1746,8 +1686,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filter != null) {
       _queryParams['filter'] = [filter];
@@ -1762,7 +1700,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects';
+    const _url = 'v1/projects';
 
     final _response = await _requester.request(
       _url,
@@ -1798,8 +1736,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1812,7 +1748,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':listAvailableOrgPolicyConstraints';
 
@@ -1850,8 +1786,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1864,7 +1798,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':listOrgPolicies';
 
@@ -1937,8 +1871,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1951,7 +1883,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$resource') +
         ':setIamPolicy';
 
@@ -1992,8 +1924,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2006,7 +1936,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setOrgPolicy';
 
@@ -2049,8 +1979,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2063,7 +1991,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$resource') +
         ':testIamPermissions';
 
@@ -2105,8 +2033,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2119,7 +2045,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         ':undelete';
 
@@ -2158,8 +2084,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2172,7 +2096,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' + commons.Escaper.ecapeVariable('$projectId');
+    final _url = 'v1/projects/' + commons.Escaper.ecapeVariable('$projectId');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/cloudresourcemanager/v2.dart

diff --git a/generated/googleapis/lib/cloudresourcemanager/v2.dart b/generated/googleapis/lib/cloudresourcemanager/v2.dart
index 6d860f9..bed4fe9 100644
--- a/generated/googleapis/lib/cloudresourcemanager/v2.dart
+++ b/generated/googleapis/lib/cloudresourcemanager/v2.dart
@@ -109,8 +109,6 @@
     core.String parent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -123,7 +121,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/folders';
+    const _url = 'v2/folders';
 
     final _response = await _requester.request(
       _url,
@@ -162,8 +160,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -172,7 +168,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -208,8 +204,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -218,7 +212,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -260,8 +254,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -274,7 +266,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -327,8 +319,6 @@
     core.bool showDeleted,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -346,7 +336,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/folders';
+    const _url = 'v2/folders';
 
     final _response = await _requester.request(
       _url,
@@ -396,8 +386,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -410,7 +398,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':move';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':move';
 
     final _response = await _requester.request(
       _url,
@@ -461,8 +450,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -478,7 +465,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -514,8 +501,6 @@
     SearchFoldersRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -525,7 +510,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/folders:search';
+    const _url = 'v2/folders:search';
 
     final _response = await _requester.request(
       _url,
@@ -568,8 +553,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -582,7 +565,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -625,8 +608,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -639,7 +620,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -685,8 +666,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -699,7 +678,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
 
     final _response = await _requester.request(
       _url,
@@ -740,8 +720,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -750,7 +728,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/cloudscheduler/v1.dart

diff --git a/generated/googleapis/lib/cloudscheduler/v1.dart b/generated/googleapis/lib/cloudscheduler/v1.dart
index fbcca87..62e57d0 100644
--- a/generated/googleapis/lib/cloudscheduler/v1.dart
+++ b/generated/googleapis/lib/cloudscheduler/v1.dart
@@ -94,8 +94,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -104,7 +102,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -144,8 +142,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -163,7 +159,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -207,8 +203,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -221,7 +215,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
 
     final _response = await _requester.request(
       _url,
@@ -255,8 +250,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -265,7 +258,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -298,8 +291,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -308,7 +299,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -354,8 +345,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -370,7 +359,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
 
     final _response = await _requester.request(
       _url,
@@ -426,8 +416,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -443,7 +431,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -485,8 +473,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -499,7 +485,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':pause';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':pause';
 
     final _response = await _requester.request(
       _url,
@@ -540,8 +527,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -554,7 +539,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':resume';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':resume';
 
     final _response = await _requester.request(
       _url,
@@ -594,8 +580,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -608,7 +592,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':run';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':run';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/cloudsearch/v1.dart

diff --git a/generated/googleapis/lib/cloudsearch/v1.dart b/generated/googleapis/lib/cloudsearch/v1.dart
index 1a842f1..d310021 100644
--- a/generated/googleapis/lib/cloudsearch/v1.dart
+++ b/generated/googleapis/lib/cloudsearch/v1.dart
@@ -189,8 +189,6 @@
     core.bool debugOptions_enableDebugging,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -208,7 +206,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/debug/' +
+    final _url = 'v1/debug/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':checkAccess';
 
@@ -249,8 +247,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -263,7 +259,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/debug/' +
+    final _url = 'v1/debug/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/items:searchByViewUrl';
 
@@ -320,8 +316,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -341,7 +335,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/debug/' +
+    final _url = 'v1/debug/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/unmappedids';
 
@@ -416,8 +410,6 @@
     core.String userResourceName,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -443,7 +435,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/debug/' +
+    final _url = 'v1/debug/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/items:forunmappedidentity';
 
@@ -514,8 +506,6 @@
     core.String resolutionStatusCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -538,7 +528,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/debug/' +
+    final _url = 'v1/debug/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/unmappedids';
 
@@ -598,8 +588,6 @@
     core.bool debugOptions_enableDebugging,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -613,7 +601,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/indexing/' +
+    final _url = 'v1/indexing/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/schema';
 
@@ -653,8 +641,6 @@
     core.bool debugOptions_enableDebugging,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -668,7 +654,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/indexing/' +
+    final _url = 'v1/indexing/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/schema';
 
@@ -709,8 +695,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -723,7 +707,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/indexing/' +
+    final _url = 'v1/indexing/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/schema';
 
@@ -794,8 +778,6 @@
     core.String version,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -818,7 +800,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/indexing/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url =
+        'v1/indexing/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -857,8 +840,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -871,7 +852,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/indexing/' +
+    final _url = 'v1/indexing/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/items:deleteQueueItems';
 
@@ -917,8 +898,6 @@
     core.bool debugOptions_enableDebugging,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -935,7 +914,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/indexing/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url =
+        'v1/indexing/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -976,8 +956,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -990,7 +968,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/indexing/' +
+    final _url = 'v1/indexing/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':index';
 
@@ -1054,8 +1032,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1081,7 +1057,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/indexing/' +
+    final _url = 'v1/indexing/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/items';
 
@@ -1130,8 +1106,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1144,7 +1118,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/indexing/' +
+    final _url = 'v1/indexing/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/items:poll';
 
@@ -1187,8 +1161,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1201,7 +1173,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/indexing/' +
+    final _url = 'v1/indexing/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':push';
 
@@ -1244,8 +1216,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1258,7 +1228,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/indexing/' +
+    final _url = 'v1/indexing/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/items:unreserve';
 
@@ -1301,8 +1271,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1315,7 +1283,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/indexing/' +
+    final _url = 'v1/indexing/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':upload';
 
@@ -1376,8 +1344,6 @@
     core.String $fields,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1390,6 +1356,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url =
           'v1/media/' + commons.Escaper.ecapeVariableReserved('$resourceName');
@@ -1441,8 +1408,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1451,7 +1416,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1506,8 +1471,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1525,7 +1488,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/lro';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/lro';
 
     final _response = await _requester.request(
       _url,
@@ -1573,8 +1537,6 @@
     SearchRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1584,7 +1546,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/query/search';
+    const _url = 'v1/query/search';
 
     final _response = await _requester.request(
       _url,
@@ -1622,8 +1584,6 @@
     SuggestRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1633,7 +1593,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/query/suggest';
+    const _url = 'v1/query/suggest';
 
     final _response = await _requester.request(
       _url,
@@ -1706,8 +1666,6 @@
     core.String requestOptions_timeZone,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageToken != null) {
       _queryParams['pageToken'] = [pageToken];
@@ -1734,7 +1692,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/query/sources';
+    const _url = 'v1/query/sources';
 
     final _response = await _requester.request(
       _url,
@@ -1785,8 +1743,6 @@
     DataSource request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1796,7 +1752,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/settings/datasources';
+    const _url = 'v1/settings/datasources';
 
     final _response = await _requester.request(
       _url,
@@ -1834,8 +1790,6 @@
     core.bool debugOptions_enableDebugging,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1849,7 +1803,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/settings/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url =
+        'v1/settings/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1886,8 +1841,6 @@
     core.bool debugOptions_enableDebugging,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1901,7 +1854,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/settings/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url =
+        'v1/settings/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1942,8 +1896,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (debugOptions_enableDebugging != null) {
       _queryParams['debugOptions.enableDebugging'] = [
@@ -1960,7 +1912,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/settings/datasources';
+    const _url = 'v1/settings/datasources';
 
     final _response = await _requester.request(
       _url,
@@ -1998,8 +1950,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2012,7 +1962,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/settings/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url =
+        'v1/settings/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2052,8 +2003,6 @@
     SearchApplication request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2063,7 +2012,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/settings/searchapplications';
+    const _url = 'v1/settings/searchapplications';
 
     final _response = await _requester.request(
       _url,
@@ -2102,8 +2051,6 @@
     core.bool debugOptions_enableDebugging,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2117,7 +2064,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/settings/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url =
+        'v1/settings/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2155,8 +2103,6 @@
     core.bool debugOptions_enableDebugging,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2170,7 +2116,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/settings/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url =
+        'v1/settings/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2211,8 +2158,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (debugOptions_enableDebugging != null) {
       _queryParams['debugOptions.enableDebugging'] = [
@@ -2229,7 +2174,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/settings/searchapplications';
+    const _url = 'v1/settings/searchapplications';
 
     final _response = await _requester.request(
       _url,
@@ -2268,8 +2213,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2282,7 +2225,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/settings/' +
+    final _url = 'v1/settings/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':reset';
 
@@ -2322,8 +2265,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2336,7 +2277,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/settings/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url =
+        'v1/settings/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2399,8 +2341,6 @@
     core.int toDate_year,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (fromDate_day != null) {
       _queryParams['fromDate.day'] = ['${fromDate_day}'];
@@ -2424,7 +2364,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/stats/index';
+    const _url = 'v1/stats/index';
 
     final _response = await _requester.request(
       _url,
@@ -2474,8 +2414,6 @@
     core.int toDate_year,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (fromDate_day != null) {
       _queryParams['fromDate.day'] = ['${fromDate_day}'];
@@ -2499,7 +2437,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/stats/query';
+    const _url = 'v1/stats/query';
 
     final _response = await _requester.request(
       _url,
@@ -2550,8 +2488,6 @@
     core.int toDate_year,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (fromDate_day != null) {
       _queryParams['fromDate.day'] = ['${fromDate_day}'];
@@ -2575,7 +2511,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/stats/session';
+    const _url = 'v1/stats/session';
 
     final _response = await _requester.request(
       _url,
@@ -2625,8 +2561,6 @@
     core.int toDate_year,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (fromDate_day != null) {
       _queryParams['fromDate.day'] = ['${fromDate_day}'];
@@ -2650,7 +2584,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/stats/user';
+    const _url = 'v1/stats/user';
 
     final _response = await _requester.request(
       _url,
@@ -2721,8 +2655,6 @@
     core.int toDate_year,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2749,7 +2681,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/stats/index/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url =
+        'v1/stats/index/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2820,8 +2753,6 @@
     core.int toDate_year,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2848,7 +2779,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/stats/query/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url =
+        'v1/stats/query/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2920,8 +2852,6 @@
     core.int toDate_year,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2948,7 +2878,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/stats/session/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url =
+        'v1/stats/session/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3019,8 +2950,6 @@
     core.int toDate_year,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3047,7 +2976,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/stats/user/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url =
+        'v1/stats/user/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/cloudshell/v1.dart

diff --git a/generated/googleapis/lib/cloudshell/v1.dart b/generated/googleapis/lib/cloudshell/v1.dart
index d2d49a5..16a4242 100644
--- a/generated/googleapis/lib/cloudshell/v1.dart
+++ b/generated/googleapis/lib/cloudshell/v1.dart
@@ -97,8 +97,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -111,7 +109,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -147,8 +146,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -157,7 +154,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -191,8 +188,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -201,7 +196,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -250,8 +245,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -269,7 +262,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -324,8 +317,6 @@
     core.String environment, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -338,7 +329,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$environment') +
         ':addPublicKey';
 
@@ -381,8 +372,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -395,7 +384,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':authorize';
 
     final _response = await _requester.request(
@@ -432,8 +421,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -442,7 +429,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -482,8 +469,6 @@
     core.String environment, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -496,7 +481,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$environment') +
         ':removePublicKey';
 
@@ -541,8 +526,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -555,7 +538,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':start';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':start';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/cloudtasks/v2.dart

diff --git a/generated/googleapis/lib/cloudtasks/v2.dart b/generated/googleapis/lib/cloudtasks/v2.dart
index ced37ef..81fd092 100644
--- a/generated/googleapis/lib/cloudtasks/v2.dart
+++ b/generated/googleapis/lib/cloudtasks/v2.dart
@@ -95,8 +95,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -105,7 +103,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -145,8 +143,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -164,7 +160,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -221,8 +217,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -235,7 +229,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/queues';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/queues';
 
     final _response = await _requester.request(
       _url,
@@ -277,8 +272,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -287,7 +280,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -320,8 +313,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -330,7 +321,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -372,8 +363,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -386,7 +375,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -445,8 +434,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -464,7 +451,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/queues';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/queues';
 
     final _response = await _requester.request(
       _url,
@@ -524,8 +512,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -541,7 +527,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -582,8 +568,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -596,7 +580,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':pause';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':pause';
 
     final _response = await _requester.request(
       _url,
@@ -637,8 +622,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -651,7 +634,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':purge';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':purge';
 
     final _response = await _requester.request(
       _url,
@@ -695,8 +679,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -709,7 +691,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':resume';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':resume';
 
     final _response = await _requester.request(
       _url,
@@ -753,8 +736,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -767,7 +748,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -812,8 +793,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -826,7 +805,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -877,8 +856,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -891,7 +868,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/tasks';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/tasks';
 
     final _response = await _requester.request(
       _url,
@@ -928,8 +906,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -938,7 +914,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -991,8 +967,6 @@
     core.String responseView,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1004,7 +978,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1075,8 +1049,6 @@
     core.String responseView,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1094,7 +1066,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/tasks';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/tasks';
 
     final _response = await _requester.request(
       _url,
@@ -1144,8 +1117,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1158,7 +1129,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':run';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':run';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/cloudtrace/v2.dart

diff --git a/generated/googleapis/lib/cloudtrace/v2.dart b/generated/googleapis/lib/cloudtrace/v2.dart
index 70d7849..172f559 100644
--- a/generated/googleapis/lib/cloudtrace/v2.dart
+++ b/generated/googleapis/lib/cloudtrace/v2.dart
@@ -112,8 +112,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -126,7 +124,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/traces:batchWrite';
 
@@ -175,8 +173,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -189,7 +185,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/composer/v1.dart

diff --git a/generated/googleapis/lib/composer/v1.dart b/generated/googleapis/lib/composer/v1.dart
index ed21589..1e967f8 100644
--- a/generated/googleapis/lib/composer/v1.dart
+++ b/generated/googleapis/lib/composer/v1.dart
@@ -111,8 +111,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -125,7 +123,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/environments';
 
@@ -161,8 +159,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -171,7 +167,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -204,8 +200,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -214,7 +208,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -254,8 +248,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -270,7 +262,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/environments';
 
@@ -378,8 +370,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -395,7 +385,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -446,8 +436,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -465,7 +453,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/imageVersions';
 
@@ -511,8 +499,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -521,7 +507,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -556,8 +542,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -566,7 +550,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -615,8 +599,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -634,7 +616,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(

generated/googleapis/lib/compute/v1.dart

diff --git a/generated/googleapis/lib/compute/v1.dart b/generated/googleapis/lib/compute/v1.dart
index 1ba850d..973003a 100644
--- a/generated/googleapis/lib/compute/v1.dart
+++ b/generated/googleapis/lib/compute/v1.dart
@@ -359,8 +359,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -387,7 +385,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/acceleratorTypes';
 
@@ -431,8 +429,6 @@
     core.String acceleratorType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -447,7 +443,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -544,8 +540,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -572,7 +566,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -678,8 +672,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -706,7 +698,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/addresses';
 
@@ -764,8 +756,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -783,7 +773,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -829,8 +819,6 @@
     core.String address, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -845,7 +833,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -904,8 +892,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -924,7 +910,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -1019,8 +1005,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1047,7 +1031,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -1153,8 +1137,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1181,7 +1163,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/autoscalers';
 
@@ -1239,8 +1221,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1258,7 +1238,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -1306,8 +1286,6 @@
     core.String autoscaler, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1322,7 +1300,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -1382,8 +1360,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1402,7 +1378,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -1497,8 +1473,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1525,7 +1499,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -1592,8 +1566,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1615,7 +1587,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -1679,8 +1651,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1702,7 +1672,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -1767,8 +1737,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1787,7 +1755,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendBuckets/' +
         commons.Escaper.ecapeVariable('$backendBucket') +
@@ -1843,8 +1811,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1859,7 +1825,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendBuckets/' +
         commons.Escaper.ecapeVariable('$backendBucket');
@@ -1916,8 +1882,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1936,7 +1900,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendBuckets/' +
         commons.Escaper.ecapeVariable('$backendBucket') +
@@ -1979,8 +1943,6 @@
     core.String backendBucket, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1992,7 +1954,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendBuckets/' +
         commons.Escaper.ecapeVariable('$backendBucket');
@@ -2046,8 +2008,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2063,7 +2023,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendBuckets';
 
@@ -2153,8 +2113,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -2178,7 +2136,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendBuckets';
 
@@ -2239,8 +2197,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2259,7 +2215,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendBuckets/' +
         commons.Escaper.ecapeVariable('$backendBucket');
@@ -2318,8 +2274,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2338,7 +2292,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendBuckets/' +
         commons.Escaper.ecapeVariable('$backendBucket');
@@ -2402,8 +2356,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2422,7 +2374,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendServices/' +
         commons.Escaper.ecapeVariable('$backendService') +
@@ -2523,8 +2475,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -2551,7 +2501,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/backendServices';
 
@@ -2605,8 +2555,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -2621,7 +2569,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendServices/' +
         commons.Escaper.ecapeVariable('$backendService');
@@ -2678,8 +2626,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -2698,7 +2644,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendServices/' +
         commons.Escaper.ecapeVariable('$backendService') +
@@ -2741,8 +2687,6 @@
     core.String backendService, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -2754,7 +2698,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendServices/' +
         commons.Escaper.ecapeVariable('$backendService');
@@ -2803,8 +2747,6 @@
     core.String backendService, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2820,7 +2762,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendServices/' +
         commons.Escaper.ecapeVariable('$backendService') +
@@ -2878,8 +2820,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2895,7 +2835,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendServices';
 
@@ -2985,8 +2925,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -3010,7 +2948,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendServices';
 
@@ -3071,8 +3009,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3091,7 +3027,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendServices/' +
         commons.Escaper.ecapeVariable('$backendService');
@@ -3148,8 +3084,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3168,7 +3102,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendServices/' +
         commons.Escaper.ecapeVariable('$backendService') +
@@ -3230,8 +3164,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3250,7 +3182,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/backendServices/' +
         commons.Escaper.ecapeVariable('$backendService');
@@ -3355,8 +3287,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -3383,7 +3313,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/diskTypes';
 
@@ -3429,8 +3359,6 @@
     core.String diskType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -3445,7 +3373,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3540,8 +3468,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -3568,7 +3494,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3640,8 +3566,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3663,7 +3587,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3765,8 +3689,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -3793,7 +3715,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/disks';
 
@@ -3860,8 +3782,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3886,7 +3806,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3950,8 +3870,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -3969,7 +3887,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -4017,8 +3935,6 @@
     core.String disk, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -4033,7 +3949,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -4084,8 +4000,6 @@
     core.int optionsRequestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -4105,7 +4019,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -4174,8 +4088,6 @@
     core.String sourceImage,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4197,7 +4109,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -4292,8 +4204,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -4320,7 +4230,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -4382,8 +4292,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4405,7 +4313,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -4472,8 +4380,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4495,7 +4401,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -4548,8 +4454,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4568,7 +4472,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -4635,8 +4539,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4658,7 +4560,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -4709,8 +4611,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4729,7 +4629,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -4794,8 +4694,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -4810,7 +4708,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/externalVpnGateways/' +
         commons.Escaper.ecapeVariable('$externalVpnGateway');
@@ -4851,8 +4749,6 @@
     core.String externalVpnGateway, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -4864,7 +4760,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/externalVpnGateways/' +
         commons.Escaper.ecapeVariable('$externalVpnGateway');
@@ -4918,8 +4814,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4935,7 +4829,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/externalVpnGateways';
 
@@ -5025,8 +4919,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -5050,7 +4942,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/externalVpnGateways';
 
@@ -5095,8 +4987,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5112,7 +5002,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/externalVpnGateways/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -5157,8 +5047,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5174,7 +5062,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/externalVpnGateways/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -5239,8 +5127,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5261,7 +5147,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/' +
+    final _url = 'locations/global/firewallPolicies/' +
         commons.Escaper.ecapeVariable('$firewallPolicy') +
         '/addAssociation';
 
@@ -5312,8 +5198,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5329,7 +5213,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/' +
+    final _url = 'locations/global/firewallPolicies/' +
         commons.Escaper.ecapeVariable('$firewallPolicy') +
         '/addRule';
 
@@ -5380,8 +5264,6 @@
     core.String sourceFirewallPolicy,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (firewallPolicy == null) {
       throw core.ArgumentError('Parameter firewallPolicy is required.');
     }
@@ -5396,7 +5278,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/' +
+    final _url = 'locations/global/firewallPolicies/' +
         commons.Escaper.ecapeVariable('$firewallPolicy') +
         '/cloneRules';
 
@@ -5443,8 +5325,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (firewallPolicy == null) {
       throw core.ArgumentError('Parameter firewallPolicy is required.');
     }
@@ -5456,7 +5336,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/' +
+    final _url = 'locations/global/firewallPolicies/' +
         commons.Escaper.ecapeVariable('$firewallPolicy');
 
     final _response = await _requester.request(
@@ -5488,8 +5368,6 @@
     core.String firewallPolicy, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (firewallPolicy == null) {
       throw core.ArgumentError('Parameter firewallPolicy is required.');
     }
@@ -5498,7 +5376,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/' +
+    final _url = 'locations/global/firewallPolicies/' +
         commons.Escaper.ecapeVariable('$firewallPolicy');
 
     final _response = await _requester.request(
@@ -5535,8 +5413,6 @@
     core.String name,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (firewallPolicy == null) {
       throw core.ArgumentError('Parameter firewallPolicy is required.');
     }
@@ -5548,7 +5424,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/' +
+    final _url = 'locations/global/firewallPolicies/' +
         commons.Escaper.ecapeVariable('$firewallPolicy') +
         '/getAssociation';
 
@@ -5587,8 +5463,6 @@
     core.int optionsRequestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -5602,7 +5476,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/' +
+    final _url = 'locations/global/firewallPolicies/' +
         commons.Escaper.ecapeVariable('$resource') +
         '/getIamPolicy';
 
@@ -5639,8 +5513,6 @@
     core.int priority,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (firewallPolicy == null) {
       throw core.ArgumentError('Parameter firewallPolicy is required.');
     }
@@ -5652,7 +5524,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/' +
+    final _url = 'locations/global/firewallPolicies/' +
         commons.Escaper.ecapeVariable('$firewallPolicy') +
         '/getRule';
 
@@ -5705,8 +5577,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5722,7 +5592,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies';
+    const _url = 'locations/global/firewallPolicies';
 
     final _response = await _requester.request(
       _url,
@@ -5808,8 +5678,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filter != null) {
       _queryParams['filter'] = [filter];
@@ -5833,7 +5701,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies';
+    const _url = 'locations/global/firewallPolicies';
 
     final _response = await _requester.request(
       _url,
@@ -5865,8 +5733,6 @@
     core.String targetResource,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (targetResource != null) {
       _queryParams['targetResource'] = [targetResource];
@@ -5875,7 +5741,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/listAssociations';
+    const _url = 'locations/global/firewallPolicies/listAssociations';
 
     final _response = await _requester.request(
       _url,
@@ -5924,8 +5790,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (firewallPolicy == null) {
       throw core.ArgumentError('Parameter firewallPolicy is required.');
     }
@@ -5940,7 +5804,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/' +
+    final _url = 'locations/global/firewallPolicies/' +
         commons.Escaper.ecapeVariable('$firewallPolicy') +
         '/move';
 
@@ -5990,8 +5854,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6007,7 +5869,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/' +
+    final _url = 'locations/global/firewallPolicies/' +
         commons.Escaper.ecapeVariable('$firewallPolicy');
 
     final _response = await _requester.request(
@@ -6060,8 +5922,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6080,7 +5940,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/' +
+    final _url = 'locations/global/firewallPolicies/' +
         commons.Escaper.ecapeVariable('$firewallPolicy') +
         '/patchRule';
 
@@ -6131,8 +5991,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (firewallPolicy == null) {
       throw core.ArgumentError('Parameter firewallPolicy is required.');
     }
@@ -6147,7 +6005,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/' +
+    final _url = 'locations/global/firewallPolicies/' +
         commons.Escaper.ecapeVariable('$firewallPolicy') +
         '/removeAssociation';
 
@@ -6197,8 +6055,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (firewallPolicy == null) {
       throw core.ArgumentError('Parameter firewallPolicy is required.');
     }
@@ -6213,7 +6069,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/' +
+    final _url = 'locations/global/firewallPolicies/' +
         commons.Escaper.ecapeVariable('$firewallPolicy') +
         '/removeRule';
 
@@ -6251,8 +6107,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6265,7 +6119,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/' +
+    final _url = 'locations/global/firewallPolicies/' +
         commons.Escaper.ecapeVariable('$resource') +
         '/setIamPolicy';
 
@@ -6302,8 +6156,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6316,7 +6168,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/firewallPolicies/' +
+    final _url = 'locations/global/firewallPolicies/' +
         commons.Escaper.ecapeVariable('$resource') +
         '/testIamPermissions';
 
@@ -6377,8 +6229,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -6393,7 +6243,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/firewalls/' +
         commons.Escaper.ecapeVariable('$firewall');
@@ -6433,8 +6283,6 @@
     core.String firewall, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -6446,7 +6294,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/firewalls/' +
         commons.Escaper.ecapeVariable('$firewall');
@@ -6499,8 +6347,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6516,7 +6362,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/firewalls';
 
@@ -6605,8 +6451,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -6630,7 +6474,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/firewalls';
 
@@ -6690,8 +6534,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6710,7 +6552,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/firewalls/' +
         commons.Escaper.ecapeVariable('$firewall');
@@ -6771,8 +6613,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6791,7 +6631,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/firewalls/' +
         commons.Escaper.ecapeVariable('$firewall');
@@ -6896,8 +6736,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -6924,7 +6762,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/forwardingRules';
 
@@ -6982,8 +6820,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -7001,7 +6837,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -7047,8 +6883,6 @@
     core.String forwardingRule, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -7063,7 +6897,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -7123,8 +6957,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7143,7 +6975,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -7239,8 +7071,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -7267,7 +7097,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -7335,8 +7165,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7358,7 +7186,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -7424,8 +7252,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7447,7 +7273,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -7515,8 +7341,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7538,7 +7362,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -7602,8 +7426,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -7618,7 +7440,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/addresses/' +
         commons.Escaper.ecapeVariable('$address');
@@ -7660,8 +7482,6 @@
     core.String address, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -7673,7 +7493,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/addresses/' +
         commons.Escaper.ecapeVariable('$address');
@@ -7726,8 +7546,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7743,7 +7561,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/addresses';
 
@@ -7832,8 +7650,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -7857,7 +7673,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/addresses';
 
@@ -7918,8 +7734,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -7934,7 +7748,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/forwardingRules/' +
         commons.Escaper.ecapeVariable('$forwardingRule');
@@ -7976,8 +7790,6 @@
     core.String forwardingRule, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -7989,7 +7801,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/forwardingRules/' +
         commons.Escaper.ecapeVariable('$forwardingRule');
@@ -8043,8 +7855,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8060,7 +7870,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/forwardingRules';
 
@@ -8150,8 +7960,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -8175,7 +7983,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/forwardingRules';
 
@@ -8237,8 +8045,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8257,7 +8063,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/forwardingRules/' +
         commons.Escaper.ecapeVariable('$forwardingRule');
@@ -8303,8 +8109,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8320,7 +8124,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/forwardingRules/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -8382,8 +8186,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8402,7 +8204,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/forwardingRules/' +
         commons.Escaper.ecapeVariable('$forwardingRule') +
@@ -8467,8 +8269,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8487,7 +8287,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networkEndpointGroups/' +
         commons.Escaper.ecapeVariable('$networkEndpointGroup') +
@@ -8543,8 +8343,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -8559,7 +8357,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networkEndpointGroups/' +
         commons.Escaper.ecapeVariable('$networkEndpointGroup');
@@ -8615,8 +8413,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8635,7 +8431,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networkEndpointGroups/' +
         commons.Escaper.ecapeVariable('$networkEndpointGroup') +
@@ -8679,8 +8475,6 @@
     core.String networkEndpointGroup, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -8692,7 +8486,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networkEndpointGroups/' +
         commons.Escaper.ecapeVariable('$networkEndpointGroup');
@@ -8746,8 +8540,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8763,7 +8555,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networkEndpointGroups';
 
@@ -8853,8 +8645,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -8878,7 +8668,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networkEndpointGroups';
 
@@ -8972,8 +8762,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -9000,7 +8788,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networkEndpointGroups/' +
         commons.Escaper.ecapeVariable('$networkEndpointGroup') +
@@ -9106,8 +8894,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -9134,7 +8920,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/operations';
 
@@ -9172,8 +8958,6 @@
     core.String operation, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -9185,7 +8969,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/operations/' +
         commons.Escaper.ecapeVariable('$operation');
@@ -9227,8 +9011,6 @@
     core.String operation, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -9240,7 +9022,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/operations/' +
         commons.Escaper.ecapeVariable('$operation');
@@ -9330,8 +9112,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -9355,7 +9135,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/operations';
 
@@ -9409,8 +9189,6 @@
     core.String operation, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -9422,7 +9200,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/operations/' +
         commons.Escaper.ecapeVariable('$operation') +
@@ -9466,8 +9244,6 @@
     core.String parentId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (operation == null) {
       throw core.ArgumentError('Parameter operation is required.');
     }
@@ -9479,7 +9255,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/operations/' +
+    final _url = 'locations/global/operations/' +
         commons.Escaper.ecapeVariable('$operation');
 
     await _requester.request(
@@ -9517,8 +9293,6 @@
     core.String parentId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (operation == null) {
       throw core.ArgumentError('Parameter operation is required.');
     }
@@ -9530,7 +9304,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/operations/' +
+    final _url = 'locations/global/operations/' +
         commons.Escaper.ecapeVariable('$operation');
 
     final _response = await _requester.request(
@@ -9616,8 +9390,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filter != null) {
       _queryParams['filter'] = [filter];
@@ -9641,7 +9413,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'locations/global/operations';
+    const _url = 'locations/global/operations';
 
     final _response = await _requester.request(
       _url,
@@ -9744,8 +9516,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -9772,7 +9542,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/healthChecks';
 
@@ -9826,8 +9596,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -9842,7 +9610,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/healthChecks/' +
         commons.Escaper.ecapeVariable('$healthCheck');
@@ -9884,8 +9652,6 @@
     core.String healthCheck, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -9897,7 +9663,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/healthChecks/' +
         commons.Escaper.ecapeVariable('$healthCheck');
@@ -9951,8 +9717,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9968,7 +9732,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/healthChecks';
 
@@ -10058,8 +9822,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -10083,7 +9845,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/healthChecks';
 
@@ -10144,8 +9906,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10164,7 +9924,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/healthChecks/' +
         commons.Escaper.ecapeVariable('$healthCheck');
@@ -10223,8 +9983,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10243,7 +10001,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/healthChecks/' +
         commons.Escaper.ecapeVariable('$healthCheck');
@@ -10304,8 +10062,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -10320,7 +10076,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/httpHealthChecks/' +
         commons.Escaper.ecapeVariable('$httpHealthCheck');
@@ -10362,8 +10118,6 @@
     core.String httpHealthCheck, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -10375,7 +10129,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/httpHealthChecks/' +
         commons.Escaper.ecapeVariable('$httpHealthCheck');
@@ -10429,8 +10183,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10446,7 +10198,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/httpHealthChecks';
 
@@ -10536,8 +10288,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -10561,7 +10311,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/httpHealthChecks';
 
@@ -10622,8 +10372,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10642,7 +10390,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/httpHealthChecks/' +
         commons.Escaper.ecapeVariable('$httpHealthCheck');
@@ -10701,8 +10449,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10721,7 +10467,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/httpHealthChecks/' +
         commons.Escaper.ecapeVariable('$httpHealthCheck');
@@ -10782,8 +10528,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -10798,7 +10542,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/httpsHealthChecks/' +
         commons.Escaper.ecapeVariable('$httpsHealthCheck');
@@ -10840,8 +10584,6 @@
     core.String httpsHealthCheck, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -10853,7 +10595,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/httpsHealthChecks/' +
         commons.Escaper.ecapeVariable('$httpsHealthCheck');
@@ -10907,8 +10649,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10924,7 +10664,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/httpsHealthChecks';
 
@@ -11014,8 +10754,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -11039,7 +10777,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/httpsHealthChecks';
 
@@ -11100,8 +10838,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11120,7 +10856,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/httpsHealthChecks/' +
         commons.Escaper.ecapeVariable('$httpsHealthCheck');
@@ -11179,8 +10915,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11199,7 +10933,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/httpsHealthChecks/' +
         commons.Escaper.ecapeVariable('$httpsHealthCheck');
@@ -11260,8 +10994,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -11276,7 +11008,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/images/' +
         commons.Escaper.ecapeVariable('$image');
@@ -11335,8 +11067,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11355,7 +11085,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/images/' +
         commons.Escaper.ecapeVariable('$image') +
@@ -11399,8 +11129,6 @@
     core.String image, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -11412,7 +11140,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/images/' +
         commons.Escaper.ecapeVariable('$image');
@@ -11453,8 +11181,6 @@
     core.String family, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -11466,7 +11192,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/images/family/' +
         commons.Escaper.ecapeVariable('$family');
@@ -11511,8 +11237,6 @@
     core.int optionsRequestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -11529,7 +11253,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/images/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -11586,8 +11310,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11606,7 +11328,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/images';
 
@@ -11701,8 +11423,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -11726,7 +11446,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/images';
 
@@ -11785,8 +11505,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11805,7 +11523,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/images/' +
         commons.Escaper.ecapeVariable('$image');
@@ -11851,8 +11569,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11868,7 +11584,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/images/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -11915,8 +11631,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11932,7 +11646,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/images/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -11977,8 +11691,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11994,7 +11706,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/images/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -12077,8 +11789,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -12100,7 +11810,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -12202,8 +11912,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -12230,7 +11938,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/instanceGroupManagers';
 
@@ -12278,8 +11986,6 @@
     core.String instanceGroupManager, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -12298,7 +12004,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -12368,8 +12074,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -12391,7 +12095,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -12454,8 +12158,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -12473,7 +12175,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -12547,8 +12249,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -12570,7 +12270,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -12620,8 +12320,6 @@
     core.String instanceGroupManager, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -12640,7 +12338,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -12688,8 +12386,6 @@
     core.String instanceGroupManager, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -12704,7 +12400,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -12773,8 +12469,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -12793,7 +12487,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -12888,8 +12582,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -12916,7 +12608,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -13020,8 +12712,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -13051,7 +12741,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -13157,8 +12847,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -13188,7 +12876,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -13293,8 +12981,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -13324,7 +13010,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -13394,8 +13080,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -13417,7 +13101,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -13483,8 +13167,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -13506,7 +13188,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -13581,8 +13263,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -13604,7 +13284,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -13689,8 +13369,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -13712,7 +13390,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -13778,8 +13456,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -13801,7 +13477,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -13870,8 +13546,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -13893,7 +13567,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -13960,8 +13634,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -13983,7 +13655,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -14055,8 +13727,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -14078,7 +13748,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -14180,8 +13850,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -14208,7 +13876,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/instanceGroups';
 
@@ -14267,8 +13935,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -14286,7 +13952,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -14334,8 +14000,6 @@
     core.String instanceGroup, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -14350,7 +14014,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -14409,8 +14073,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -14429,7 +14091,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -14527,8 +14189,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -14555,7 +14215,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -14658,8 +14318,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -14693,7 +14351,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -14762,8 +14420,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -14785,7 +14441,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -14848,8 +14504,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -14871,7 +14525,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -14939,8 +14593,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -14955,7 +14607,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/instanceTemplates/' +
         commons.Escaper.ecapeVariable('$instanceTemplate');
@@ -14997,8 +14649,6 @@
     core.String instanceTemplate, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -15010,7 +14660,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/instanceTemplates/' +
         commons.Escaper.ecapeVariable('$instanceTemplate');
@@ -15056,8 +14706,6 @@
     core.int optionsRequestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -15074,7 +14722,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/instanceTemplates/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -15132,8 +14780,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -15149,7 +14795,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/instanceTemplates';
 
@@ -15239,8 +14885,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -15264,7 +14908,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/instanceTemplates';
 
@@ -15309,8 +14953,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -15326,7 +14968,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/instanceTemplates/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -15371,8 +15013,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -15388,7 +15028,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/instanceTemplates/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -15462,8 +15102,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -15489,7 +15127,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -15557,8 +15195,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -15580,7 +15216,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -15683,8 +15319,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -15711,7 +15345,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/instances';
 
@@ -15781,8 +15415,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -15807,7 +15439,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -15871,8 +15503,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -15890,7 +15520,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -15956,8 +15586,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -15983,7 +15611,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -16048,8 +15676,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -16071,7 +15697,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -16120,8 +15746,6 @@
     core.String instance, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -16136,7 +15760,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -16188,8 +15812,6 @@
     core.String variableKey,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -16210,7 +15832,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -16263,8 +15885,6 @@
     core.int optionsRequestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -16284,7 +15904,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -16331,8 +15951,6 @@
     core.String instance, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -16347,7 +15965,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -16416,8 +16034,6 @@
     core.String start_1,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -16438,7 +16054,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -16486,8 +16102,6 @@
     core.String instance, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -16502,7 +16116,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -16574,8 +16188,6 @@
     core.String sourceInstanceTemplate,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -16597,7 +16209,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -16692,8 +16304,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -16720,7 +16330,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -16826,8 +16436,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -16857,7 +16465,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -16922,8 +16530,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -16945,7 +16551,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -17010,8 +16616,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -17029,7 +16633,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -17094,8 +16698,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -17116,7 +16718,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -17186,8 +16788,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -17213,7 +16813,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -17265,8 +16865,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -17285,7 +16883,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -17352,8 +16950,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -17375,7 +16971,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -17441,8 +17037,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -17464,7 +17058,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -17530,8 +17124,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -17553,7 +17145,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -17619,8 +17211,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -17642,7 +17232,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -17710,8 +17300,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -17733,7 +17321,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -17802,8 +17390,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -17825,7 +17411,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -17893,8 +17479,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -17916,7 +17500,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -17984,8 +17568,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -18007,7 +17589,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -18073,8 +17655,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -18096,7 +17676,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -18144,8 +17724,6 @@
     core.String instance, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -18160,7 +17738,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -18223,8 +17801,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -18242,7 +17818,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -18308,8 +17884,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -18331,7 +17905,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -18399,8 +17973,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -18418,7 +17990,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -18468,8 +18040,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -18488,7 +18058,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -18580,8 +18150,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -18611,7 +18179,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -18683,8 +18251,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -18710,7 +18276,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -18778,8 +18344,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -18801,7 +18365,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -18875,8 +18439,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -18902,7 +18464,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -18970,8 +18532,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -18993,7 +18553,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -19102,8 +18662,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -19130,7 +18688,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/interconnectAttachments';
 
@@ -19188,8 +18746,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -19207,7 +18763,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -19253,8 +18809,6 @@
     core.String interconnectAttachment, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -19269,7 +18823,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -19332,8 +18886,6 @@
     core.bool validateOnly,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -19355,7 +18907,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -19451,8 +19003,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -19479,7 +19029,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -19546,8 +19096,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -19569,7 +19117,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -19622,8 +19170,6 @@
     core.String interconnectLocation, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -19635,7 +19181,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/interconnectLocations/' +
         commons.Escaper.ecapeVariable('$interconnectLocation');
@@ -19726,8 +19272,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -19751,7 +19295,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/interconnectLocations';
 
@@ -19811,8 +19355,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -19827,7 +19369,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/interconnects/' +
         commons.Escaper.ecapeVariable('$interconnect');
@@ -19869,8 +19411,6 @@
     core.String interconnect, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -19882,7 +19422,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/interconnects/' +
         commons.Escaper.ecapeVariable('$interconnect');
@@ -19923,8 +19463,6 @@
     core.String interconnect, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -19936,7 +19474,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/interconnects/' +
         commons.Escaper.ecapeVariable('$interconnect') +
@@ -19991,8 +19529,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -20008,7 +19544,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/interconnects';
 
@@ -20097,8 +19633,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -20122,7 +19656,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/interconnects';
 
@@ -20182,8 +19716,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -20202,7 +19734,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/interconnects/' +
         commons.Escaper.ecapeVariable('$interconnect');
@@ -20253,8 +19785,6 @@
     core.String licenseCode, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -20266,7 +19796,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/licenseCodes/' +
         commons.Escaper.ecapeVariable('$licenseCode');
@@ -20313,8 +19843,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -20330,7 +19858,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/licenseCodes/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -20396,8 +19924,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -20412,7 +19938,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/licenses/' +
         commons.Escaper.ecapeVariable('$license');
@@ -20455,8 +19981,6 @@
     core.String license, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -20468,7 +19992,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/licenses/' +
         commons.Escaper.ecapeVariable('$license');
@@ -20515,8 +20039,6 @@
     core.int optionsRequestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -20533,7 +20055,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/licenses/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -20589,8 +20111,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -20606,7 +20126,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/licenses';
 
@@ -20702,8 +20222,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -20727,7 +20245,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/licenses';
 
@@ -20773,8 +20291,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -20790,7 +20306,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/licenses/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -20838,8 +20354,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -20855,7 +20369,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/licenses/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -20962,8 +20476,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -20990,7 +20502,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/machineTypes';
 
@@ -21036,8 +20548,6 @@
     core.String machineType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -21052,7 +20562,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -21148,8 +20658,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -21176,7 +20684,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -21283,8 +20791,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -21311,7 +20817,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/networkEndpointGroups';
 
@@ -21372,8 +20878,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -21395,7 +20899,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -21460,8 +20964,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -21479,7 +20981,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -21542,8 +21044,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -21565,7 +21065,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -21615,8 +21115,6 @@
     core.String networkEndpointGroup, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -21631,7 +21129,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -21691,8 +21189,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -21711,7 +21207,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -21807,8 +21303,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -21835,7 +21329,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -21938,8 +21432,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -21973,7 +21465,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -22025,8 +21517,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -22045,7 +21535,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -22113,8 +21603,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -22133,7 +21621,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networks/' +
         commons.Escaper.ecapeVariable('$network') +
@@ -22189,8 +21677,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -22205,7 +21691,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networks/' +
         commons.Escaper.ecapeVariable('$network');
@@ -22247,8 +21733,6 @@
     core.String network, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -22260,7 +21744,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networks/' +
         commons.Escaper.ecapeVariable('$network');
@@ -22313,8 +21797,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -22330,7 +21812,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networks';
 
@@ -22419,8 +21901,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -22444,7 +21924,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networks';
 
@@ -22551,8 +22031,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -22588,7 +22066,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networks/' +
         commons.Escaper.ecapeVariable('$network') +
@@ -22649,8 +22127,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -22669,7 +22145,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networks/' +
         commons.Escaper.ecapeVariable('$network');
@@ -22727,8 +22203,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -22747,7 +22221,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networks/' +
         commons.Escaper.ecapeVariable('$network') +
@@ -22803,8 +22277,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -22819,7 +22291,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networks/' +
         commons.Escaper.ecapeVariable('$network') +
@@ -22881,8 +22353,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -22901,7 +22371,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/networks/' +
         commons.Escaper.ecapeVariable('$network') +
@@ -22970,8 +22440,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -22993,7 +22461,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -23097,8 +22565,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -23125,7 +22591,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/nodeGroups';
 
@@ -23183,8 +22649,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -23202,7 +22666,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -23265,8 +22729,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -23288,7 +22750,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -23339,8 +22801,6 @@
     core.String nodeGroup, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -23355,7 +22815,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -23406,8 +22866,6 @@
     core.int optionsRequestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -23427,7 +22885,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -23490,8 +22948,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -23514,7 +22970,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -23611,8 +23067,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -23639,7 +23093,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -23739,8 +23193,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -23770,7 +23222,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -23835,8 +23287,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -23858,7 +23308,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -23910,8 +23360,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -23930,7 +23378,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -23995,8 +23443,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -24018,7 +23464,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -24069,8 +23515,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -24089,7 +23533,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -24198,8 +23642,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -24226,7 +23668,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/nodeTemplates';
 
@@ -24284,8 +23726,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -24303,7 +23743,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -24351,8 +23791,6 @@
     core.String nodeTemplate, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -24367,7 +23805,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -24419,8 +23857,6 @@
     core.int optionsRequestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -24440,7 +23876,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -24500,8 +23936,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -24520,7 +23954,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -24615,8 +24049,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -24643,7 +24075,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -24694,8 +24126,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -24714,7 +24144,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -24765,8 +24195,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -24785,7 +24213,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -24894,8 +24322,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -24922,7 +24348,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/nodeTypes';
 
@@ -24968,8 +24394,6 @@
     core.String nodeType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -24984,7 +24408,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -25079,8 +24503,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -25107,7 +24529,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -25213,8 +24635,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -25241,7 +24661,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/packetMirrorings';
 
@@ -25299,8 +24719,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -25318,7 +24736,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -25364,8 +24782,6 @@
     core.String packetMirroring, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -25380,7 +24796,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -25440,8 +24856,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -25460,7 +24874,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -25556,8 +24970,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -25584,7 +24996,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -25651,8 +25063,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -25674,7 +25084,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -25724,8 +25134,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -25744,7 +25152,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -25804,8 +25212,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -25817,7 +25223,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/disableXpnHost';
 
@@ -25869,8 +25275,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -25886,7 +25290,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/disableXpnResource';
 
@@ -25935,8 +25339,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -25948,7 +25350,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/enableXpnHost';
 
@@ -26001,8 +25403,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -26018,7 +25418,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/enableXpnResource';
 
@@ -26053,8 +25453,6 @@
     core.String project, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -26063,7 +25461,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' + commons.Escaper.ecapeVariable('$project');
+    final _url = 'projects/' + commons.Escaper.ecapeVariable('$project');
 
     final _response = await _requester.request(
       _url,
@@ -26097,8 +25495,6 @@
     core.String project, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -26107,7 +25503,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'projects/' + commons.Escaper.ecapeVariable('$project') + '/getXpnHost';
 
     final _response = await _requester.request(
@@ -26195,8 +25591,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -26220,7 +25614,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/getXpnResources';
 
@@ -26312,8 +25706,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -26341,7 +25733,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/listXpnHosts';
 
@@ -26394,8 +25786,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -26411,7 +25801,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'projects/' + commons.Escaper.ecapeVariable('$project') + '/moveDisk';
 
     final _response = await _requester.request(
@@ -26463,8 +25853,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -26480,7 +25868,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/moveInstance';
 
@@ -26533,8 +25921,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -26550,7 +25936,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/setCommonInstanceMetadata';
 
@@ -26605,8 +25991,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -26622,7 +26006,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/setDefaultNetworkTier';
 
@@ -26678,8 +26062,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -26695,7 +26077,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/setUsageExportBucket';
 
@@ -26759,8 +26141,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -26778,7 +26158,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -26824,8 +26204,6 @@
     core.String autoscaler, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -26840,7 +26218,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -26900,8 +26278,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -26920,7 +26296,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -27015,8 +26391,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -27043,7 +26417,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -27110,8 +26484,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -27133,7 +26505,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -27197,8 +26569,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -27220,7 +26590,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -27287,8 +26657,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -27306,7 +26674,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -27352,8 +26720,6 @@
     core.String backendService, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -27368,7 +26734,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -27420,8 +26786,6 @@
     core.String backendService, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -27440,7 +26804,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -27504,8 +26868,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -27524,7 +26886,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -27620,8 +26982,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -27648,7 +27008,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -27716,8 +27076,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -27739,7 +27097,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -27806,8 +27164,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -27829,7 +27185,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -27936,8 +27292,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -27964,7 +27318,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/commitments';
 
@@ -28010,8 +27364,6 @@
     core.String commitment, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -28026,7 +27378,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -28086,8 +27438,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -28106,7 +27456,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -28201,8 +27551,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -28229,7 +27577,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -28283,8 +27631,6 @@
     core.String diskType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -28299,7 +27645,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -28395,8 +27741,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -28423,7 +27767,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -28495,8 +27839,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -28518,7 +27860,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -28583,8 +27925,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -28606,7 +27946,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -28671,8 +28011,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -28690,7 +28028,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -28736,8 +28074,6 @@
     core.String disk, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -28752,7 +28088,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -28803,8 +28139,6 @@
     core.int optionsRequestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -28824,7 +28158,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -28888,8 +28222,6 @@
     core.String sourceImage,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -28911,7 +28243,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -29007,8 +28339,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -29035,7 +28365,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -29097,8 +28427,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -29120,7 +28448,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -29185,8 +28513,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -29208,7 +28534,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -29261,8 +28587,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -29281,7 +28605,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -29346,8 +28670,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -29369,7 +28691,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -29420,8 +28742,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -29440,7 +28760,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -29509,8 +28829,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -29528,7 +28846,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -29573,8 +28891,6 @@
     core.String healthCheckService, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -29589,7 +28905,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -29649,8 +28965,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -29669,7 +28983,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -29765,8 +29079,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -29793,7 +29105,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -29859,8 +29171,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -29882,7 +29192,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -29949,8 +29259,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -29968,7 +29276,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -30016,8 +29324,6 @@
     core.String healthCheck, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -30032,7 +29338,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -30092,8 +29398,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -30112,7 +29416,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -30208,8 +29512,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -30236,7 +29538,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -30303,8 +29605,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -30326,7 +29626,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -30391,8 +29691,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -30414,7 +29712,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -30497,8 +29795,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -30520,7 +29816,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -30570,8 +29866,6 @@
     core.String instanceGroupManager, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -30590,7 +29884,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -30660,8 +29954,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -30683,7 +29975,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -30743,8 +30035,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -30762,7 +30052,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -30836,8 +30126,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -30859,7 +30147,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -30909,8 +30197,6 @@
     core.String instanceGroupManager, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -30929,7 +30215,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -30974,8 +30260,6 @@
     core.String instanceGroupManager, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -30990,7 +30274,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -31057,8 +30341,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -31077,7 +30359,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -31172,8 +30454,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -31200,7 +30480,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -31304,8 +30584,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -31335,7 +30613,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -31439,8 +30717,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -31470,7 +30746,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -31575,8 +30851,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -31606,7 +30880,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -31675,8 +30949,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -31698,7 +30970,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -31764,8 +31036,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -31787,7 +31057,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -31862,8 +31132,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -31885,7 +31153,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -31961,8 +31229,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -31984,7 +31250,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -32048,8 +31314,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -32071,7 +31335,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -32136,8 +31400,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -32159,7 +31421,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -32226,8 +31488,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -32249,7 +31509,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -32301,8 +31561,6 @@
     core.String instanceGroup, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -32317,7 +31575,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -32413,8 +31671,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -32441,7 +31697,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -32547,8 +31803,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -32582,7 +31836,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -32646,8 +31900,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -32669,7 +31921,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -32740,8 +31992,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -32759,7 +32009,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -32807,8 +32057,6 @@
     core.String networkEndpointGroup, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -32823,7 +32071,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -32883,8 +32131,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -32903,7 +32149,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -32999,8 +32245,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -33027,7 +32271,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -33095,8 +32339,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -33114,7 +32356,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -33161,8 +32403,6 @@
     core.String notificationEndpoint, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -33177,7 +32417,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -33237,8 +32477,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -33257,7 +32495,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -33352,8 +32590,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -33380,7 +32616,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -33430,8 +32666,6 @@
     core.String operation, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -33446,7 +32680,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -33492,8 +32726,6 @@
     core.String operation, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -33508,7 +32740,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -33604,8 +32836,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -33632,7 +32862,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -33692,8 +32922,6 @@
     core.String operation, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -33708,7 +32936,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -33776,8 +33004,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -33795,7 +33021,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -33843,8 +33069,6 @@
     core.String sslCertificate, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -33859,7 +33083,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -33919,8 +33143,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -33939,7 +33161,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -34035,8 +33257,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -34063,7 +33283,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -34130,8 +33350,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -34149,7 +33367,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -34197,8 +33415,6 @@
     core.String targetHttpProxy, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -34213,7 +33429,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -34273,8 +33489,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -34293,7 +33507,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -34389,8 +33603,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -34417,7 +33629,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -34480,8 +33692,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -34503,7 +33713,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -34572,8 +33782,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -34591,7 +33799,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -34639,8 +33847,6 @@
     core.String targetHttpsProxy, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -34655,7 +33861,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -34715,8 +33921,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -34735,7 +33939,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -34831,8 +34035,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -34859,7 +34061,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -34923,8 +34125,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -34946,7 +34146,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -35011,8 +34211,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -35034,7 +34232,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -35092,8 +34290,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -35111,7 +34307,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -35159,8 +34355,6 @@
     core.String urlMap, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -35175,7 +34369,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -35224,8 +34418,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -35244,7 +34436,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -35340,8 +34532,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -35368,7 +34558,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -35425,8 +34615,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -35448,7 +34636,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -35503,8 +34691,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -35526,7 +34712,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -35579,8 +34765,6 @@
     core.String urlMap, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -35599,7 +34783,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -35652,8 +34836,6 @@
     core.String region, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -35665,7 +34847,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region');
@@ -35754,8 +34936,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -35779,7 +34959,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' + commons.Escaper.ecapeVariable('$project') + '/regions';
+    final _url =
+        'projects/' + commons.Escaper.ecapeVariable('$project') + '/regions';
 
     final _response = await _requester.request(
       _url,
@@ -35881,8 +35062,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -35909,7 +35088,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/reservations';
 
@@ -35967,8 +35146,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -35986,7 +35163,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -36032,8 +35209,6 @@
     core.String reservation, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -36048,7 +35223,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -36100,8 +35275,6 @@
     core.int optionsRequestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -36121,7 +35294,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -36182,8 +35355,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -36202,7 +35373,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -36298,8 +35469,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -36326,7 +35495,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -36390,8 +35559,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -36413,7 +35580,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -36466,8 +35633,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -36486,7 +35651,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -36537,8 +35702,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -36557,7 +35720,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -36666,8 +35829,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -36694,7 +35855,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/resourcePolicies';
 
@@ -36752,8 +35913,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -36771,7 +35930,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -36817,8 +35976,6 @@
     core.String resourcePolicy, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -36833,7 +35990,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -36885,8 +36042,6 @@
     core.int optionsRequestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -36906,7 +36061,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -36965,8 +36120,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -36985,7 +36138,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -37081,8 +36234,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -37109,7 +36260,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -37160,8 +36311,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -37180,7 +36329,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -37231,8 +36380,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -37251,7 +36398,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -37360,8 +36507,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -37388,7 +36533,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/routers';
 
@@ -37446,8 +36591,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -37465,7 +36608,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -37513,8 +36656,6 @@
     core.String router, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -37529,7 +36670,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -37630,8 +36771,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -37661,7 +36800,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -37709,8 +36848,6 @@
     core.String router, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -37725,7 +36862,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -37786,8 +36923,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -37806,7 +36941,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -37901,8 +37036,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -37929,7 +37062,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -37996,8 +37129,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -38019,7 +37150,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -38071,8 +37202,6 @@
     core.String router, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -38091,7 +37220,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -38162,8 +37291,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -38185,7 +37312,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -38248,8 +37375,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -38264,7 +37389,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/routes/' +
         commons.Escaper.ecapeVariable('$route');
@@ -38306,8 +37431,6 @@
     core.String route, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -38319,7 +37442,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/routes/' +
         commons.Escaper.ecapeVariable('$route');
@@ -38372,8 +37495,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -38389,7 +37510,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/routes';
 
@@ -38478,8 +37599,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -38503,7 +37622,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/routes';
 
@@ -38551,8 +37670,6 @@
     core.String securityPolicy, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -38568,7 +37685,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/securityPolicies/' +
         commons.Escaper.ecapeVariable('$securityPolicy') +
@@ -38624,8 +37741,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -38640,7 +37755,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/securityPolicies/' +
         commons.Escaper.ecapeVariable('$securityPolicy');
@@ -38680,8 +37795,6 @@
     core.String securityPolicy, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -38693,7 +37806,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/securityPolicies/' +
         commons.Escaper.ecapeVariable('$securityPolicy');
@@ -38738,8 +37851,6 @@
     core.int priority,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -38754,7 +37865,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/securityPolicies/' +
         commons.Escaper.ecapeVariable('$securityPolicy') +
@@ -38809,8 +37920,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -38826,7 +37935,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/securityPolicies';
 
@@ -38915,8 +38024,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -38940,7 +38047,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/securityPolicies';
 
@@ -39032,8 +38139,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -39057,7 +38162,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/securityPolicies/listPreconfiguredExpressionSets';
 
@@ -39117,8 +38222,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -39137,7 +38240,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/securityPolicies/' +
         commons.Escaper.ecapeVariable('$securityPolicy');
@@ -39184,8 +38287,6 @@
     core.int priority,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -39204,7 +38305,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/securityPolicies/' +
         commons.Escaper.ecapeVariable('$securityPolicy') +
@@ -39249,8 +38350,6 @@
     core.int priority,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -39265,7 +38364,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/securityPolicies/' +
         commons.Escaper.ecapeVariable('$securityPolicy') +
@@ -39333,8 +38432,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -39349,7 +38446,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/snapshots/' +
         commons.Escaper.ecapeVariable('$snapshot');
@@ -39391,8 +38488,6 @@
     core.String snapshot, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -39404,7 +38499,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/snapshots/' +
         commons.Escaper.ecapeVariable('$snapshot');
@@ -39449,8 +38544,6 @@
     core.int optionsRequestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -39467,7 +38560,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/snapshots/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -39558,8 +38651,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -39583,7 +38674,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/snapshots';
 
@@ -39628,8 +38719,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -39645,7 +38734,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/snapshots/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -39692,8 +38781,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -39709,7 +38796,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/snapshots/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -39754,8 +38841,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -39771,7 +38856,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/snapshots/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -39879,8 +38964,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -39907,7 +38990,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/sslCertificates';
 
@@ -39961,8 +39044,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -39977,7 +39058,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/sslCertificates/' +
         commons.Escaper.ecapeVariable('$sslCertificate');
@@ -40019,8 +39100,6 @@
     core.String sslCertificate, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -40032,7 +39111,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/sslCertificates/' +
         commons.Escaper.ecapeVariable('$sslCertificate');
@@ -40086,8 +39165,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -40103,7 +39180,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/sslCertificates';
 
@@ -40193,8 +39270,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -40218,7 +39293,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/sslCertificates';
 
@@ -40280,8 +39355,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -40296,7 +39369,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/sslPolicies/' +
         commons.Escaper.ecapeVariable('$sslPolicy');
@@ -40335,8 +39408,6 @@
     core.String sslPolicy, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -40348,7 +39419,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/sslPolicies/' +
         commons.Escaper.ecapeVariable('$sslPolicy');
@@ -40402,8 +39473,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -40419,7 +39488,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/sslPolicies';
 
@@ -40509,8 +39578,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -40534,7 +39601,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/sslPolicies';
 
@@ -40624,8 +39691,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -40649,7 +39714,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/sslPolicies/listAvailableFeatures';
 
@@ -40705,8 +39770,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -40725,7 +39788,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/sslPolicies/' +
         commons.Escaper.ecapeVariable('$sslPolicy');
@@ -40830,8 +39893,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -40858,7 +39919,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/subnetworks';
 
@@ -40916,8 +39977,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -40935,7 +39994,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -40998,8 +40057,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -41021,7 +40078,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -41071,8 +40128,6 @@
     core.String subnetwork, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -41087,7 +40142,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -41139,8 +40194,6 @@
     core.int optionsRequestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -41160,7 +40213,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -41220,8 +40273,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -41240,7 +40291,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -41335,8 +40386,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -41363,7 +40412,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -41454,8 +40503,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -41479,7 +40526,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/subnetworks/listUsable';
 
@@ -41554,8 +40601,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -41580,7 +40625,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -41632,8 +40677,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -41652,7 +40695,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -41718,8 +40761,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -41741,7 +40782,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -41792,8 +40833,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -41812,7 +40851,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -41877,8 +40916,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -41893,7 +40930,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetGrpcProxies/' +
         commons.Escaper.ecapeVariable('$targetGrpcProxy');
@@ -41933,8 +40970,6 @@
     core.String targetGrpcProxy, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -41946,7 +40981,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetGrpcProxies/' +
         commons.Escaper.ecapeVariable('$targetGrpcProxy');
@@ -42000,8 +41035,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -42017,7 +41050,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetGrpcProxies';
 
@@ -42106,8 +41139,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -42131,7 +41162,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetGrpcProxies';
 
@@ -42192,8 +41223,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -42212,7 +41241,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetGrpcProxies/' +
         commons.Escaper.ecapeVariable('$targetGrpcProxy');
@@ -42318,8 +41347,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -42346,7 +41373,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/targetHttpProxies';
 
@@ -42400,8 +41427,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -42416,7 +41441,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetHttpProxies/' +
         commons.Escaper.ecapeVariable('$targetHttpProxy');
@@ -42458,8 +41483,6 @@
     core.String targetHttpProxy, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -42471,7 +41494,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetHttpProxies/' +
         commons.Escaper.ecapeVariable('$targetHttpProxy');
@@ -42525,8 +41548,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -42542,7 +41563,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetHttpProxies';
 
@@ -42632,8 +41653,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -42657,7 +41676,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetHttpProxies';
 
@@ -42718,8 +41737,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -42738,7 +41755,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetHttpProxies/' +
         commons.Escaper.ecapeVariable('$targetHttpProxy');
@@ -42796,8 +41813,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -42816,7 +41831,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/targetHttpProxies/' +
         commons.Escaper.ecapeVariable('$targetHttpProxy') +
@@ -42923,8 +41938,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -42951,7 +41964,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/targetHttpsProxies';
 
@@ -43005,8 +42018,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -43021,7 +42032,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetHttpsProxies/' +
         commons.Escaper.ecapeVariable('$targetHttpsProxy');
@@ -43063,8 +42074,6 @@
     core.String targetHttpsProxy, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -43076,7 +42085,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetHttpsProxies/' +
         commons.Escaper.ecapeVariable('$targetHttpsProxy');
@@ -43130,8 +42139,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -43147,7 +42154,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetHttpsProxies';
 
@@ -43237,8 +42244,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -43262,7 +42267,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetHttpsProxies';
 
@@ -43323,8 +42328,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -43343,7 +42346,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetHttpsProxies/' +
         commons.Escaper.ecapeVariable('$targetHttpsProxy');
@@ -43400,8 +42403,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -43420,7 +42421,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetHttpsProxies/' +
         commons.Escaper.ecapeVariable('$targetHttpsProxy') +
@@ -43480,8 +42481,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -43500,7 +42499,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/targetHttpsProxies/' +
         commons.Escaper.ecapeVariable('$targetHttpsProxy') +
@@ -43564,8 +42563,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -43584,7 +42581,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetHttpsProxies/' +
         commons.Escaper.ecapeVariable('$targetHttpsProxy') +
@@ -43644,8 +42641,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -43664,7 +42659,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/targetHttpsProxies/' +
         commons.Escaper.ecapeVariable('$targetHttpsProxy') +
@@ -43770,8 +42765,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -43798,7 +42791,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/targetInstances';
 
@@ -43856,8 +42849,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -43875,7 +42866,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -43923,8 +42914,6 @@
     core.String targetInstance, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -43939,7 +42928,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -43999,8 +42988,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -44019,7 +43006,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -44115,8 +43102,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -44143,7 +43128,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -44212,8 +43197,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -44235,7 +43218,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -44300,8 +43283,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -44323,7 +43304,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -44425,8 +43406,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -44453,7 +43432,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/targetPools';
 
@@ -44511,8 +43490,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -44530,7 +43507,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -44578,8 +43555,6 @@
     core.String targetPool, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -44594,7 +43569,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -44646,8 +43621,6 @@
     core.String targetPool, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -44666,7 +43639,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -44728,8 +43701,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -44748,7 +43719,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -44844,8 +43815,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -44872,7 +43841,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -44935,8 +43904,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -44958,7 +43925,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -45023,8 +43990,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -45046,7 +44011,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -45114,8 +44079,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -45140,7 +44103,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -45204,8 +44167,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -45220,7 +44181,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetSslProxies/' +
         commons.Escaper.ecapeVariable('$targetSslProxy');
@@ -45262,8 +44223,6 @@
     core.String targetSslProxy, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -45275,7 +44234,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetSslProxies/' +
         commons.Escaper.ecapeVariable('$targetSslProxy');
@@ -45329,8 +44288,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -45346,7 +44303,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetSslProxies';
 
@@ -45436,8 +44393,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -45461,7 +44416,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetSslProxies';
 
@@ -45519,8 +44474,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -45539,7 +44492,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetSslProxies/' +
         commons.Escaper.ecapeVariable('$targetSslProxy') +
@@ -45599,8 +44552,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -45619,7 +44570,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetSslProxies/' +
         commons.Escaper.ecapeVariable('$targetSslProxy') +
@@ -45679,8 +44630,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -45699,7 +44648,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetSslProxies/' +
         commons.Escaper.ecapeVariable('$targetSslProxy') +
@@ -45761,8 +44710,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -45781,7 +44728,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetSslProxies/' +
         commons.Escaper.ecapeVariable('$targetSslProxy') +
@@ -45843,8 +44790,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -45859,7 +44804,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetTcpProxies/' +
         commons.Escaper.ecapeVariable('$targetTcpProxy');
@@ -45901,8 +44846,6 @@
     core.String targetTcpProxy, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -45914,7 +44857,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetTcpProxies/' +
         commons.Escaper.ecapeVariable('$targetTcpProxy');
@@ -45968,8 +44911,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -45985,7 +44926,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetTcpProxies';
 
@@ -46075,8 +45016,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -46100,7 +45039,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetTcpProxies';
 
@@ -46158,8 +45097,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -46178,7 +45115,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetTcpProxies/' +
         commons.Escaper.ecapeVariable('$targetTcpProxy') +
@@ -46238,8 +45175,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -46258,7 +45193,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/targetTcpProxies/' +
         commons.Escaper.ecapeVariable('$targetTcpProxy') +
@@ -46364,8 +45299,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -46392,7 +45325,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/targetVpnGateways';
 
@@ -46450,8 +45383,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -46469,7 +45400,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -46517,8 +45448,6 @@
     core.String targetVpnGateway, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -46533,7 +45462,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -46593,8 +45522,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -46613,7 +45540,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -46709,8 +45636,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -46737,7 +45662,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -46844,8 +45769,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -46872,7 +45795,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/urlMaps';
 
@@ -46926,8 +45849,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -46942,7 +45863,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/urlMaps/' +
         commons.Escaper.ecapeVariable('$urlMap');
@@ -46984,8 +45905,6 @@
     core.String urlMap, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -46997,7 +45916,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/urlMaps/' +
         commons.Escaper.ecapeVariable('$urlMap');
@@ -47050,8 +45969,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -47067,7 +45984,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/urlMaps';
 
@@ -47128,8 +46045,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -47148,7 +46063,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/urlMaps/' +
         commons.Escaper.ecapeVariable('$urlMap') +
@@ -47239,8 +46154,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -47264,7 +46177,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/urlMaps';
 
@@ -47325,8 +46238,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -47345,7 +46256,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/urlMaps/' +
         commons.Escaper.ecapeVariable('$urlMap');
@@ -47404,8 +46315,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -47424,7 +46333,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/urlMaps/' +
         commons.Escaper.ecapeVariable('$urlMap');
@@ -47471,8 +46380,6 @@
     core.String urlMap, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -47488,7 +46395,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/urlMaps/' +
         commons.Escaper.ecapeVariable('$urlMap') +
@@ -47595,8 +46502,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -47623,7 +46528,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/vpnGateways';
 
@@ -47681,8 +46586,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -47700,7 +46603,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -47748,8 +46651,6 @@
     core.String vpnGateway, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -47764,7 +46665,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -47811,8 +46712,6 @@
     core.String vpnGateway, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -47827,7 +46726,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -47888,8 +46787,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -47908,7 +46805,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -48004,8 +46901,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -48032,7 +46927,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -48097,8 +46992,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -48120,7 +47013,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -48171,8 +47064,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -48191,7 +47082,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -48300,8 +47191,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -48328,7 +47217,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/aggregated/vpnTunnels';
 
@@ -48386,8 +47275,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -48405,7 +47292,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -48453,8 +47340,6 @@
     core.String vpnTunnel, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -48469,7 +47354,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -48528,8 +47413,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -48548,7 +47431,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -48644,8 +47527,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -48672,7 +47553,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -48722,8 +47603,6 @@
     core.String operation, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -48738,7 +47617,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -48784,8 +47663,6 @@
     core.String operation, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -48800,7 +47677,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -48896,8 +47773,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -48924,7 +47799,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -48984,8 +47859,6 @@
     core.String operation, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -49000,7 +47873,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -49051,8 +47924,6 @@
     core.String zone, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -49064,7 +47935,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone');
@@ -49153,8 +48024,6 @@
     core.bool returnPartialSuccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -49178,7 +48047,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' + commons.Escaper.ecapeVariable('$project') + '/zones';
+    final _url =
+        'projects/' + commons.Escaper.ecapeVariable('$project') + '/zones';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/container/v1.dart

diff --git a/generated/googleapis/lib/container/v1.dart b/generated/googleapis/lib/container/v1.dart
index 85eeb31..1408649 100644
--- a/generated/googleapis/lib/container/v1.dart
+++ b/generated/googleapis/lib/container/v1.dart
@@ -133,8 +133,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -152,7 +150,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/aggregated/usableSubnetworks';
 
@@ -209,8 +207,6 @@
     core.String zone,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -225,7 +221,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/serverConfig';
 
@@ -277,8 +273,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -291,7 +285,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':completeIpRotation';
 
@@ -338,8 +332,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -352,7 +344,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/clusters';
 
     final _response = await _requester.request(
@@ -408,8 +400,6 @@
     core.String zone,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -427,7 +417,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -475,8 +465,6 @@
     core.String zone,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -494,7 +482,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -531,8 +519,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -541,7 +527,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jwks';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jwks';
 
     final _response = await _requester.request(
       _url,
@@ -587,8 +574,6 @@
     core.String zone,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -603,7 +588,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/clusters';
 
     final _response = await _requester.request(
@@ -642,8 +627,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -656,7 +639,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':setAddons';
 
     final _response = await _requester.request(
@@ -695,8 +678,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -709,7 +690,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':setLegacyAbac';
 
@@ -753,8 +734,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -767,7 +746,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':setLocations';
 
@@ -807,8 +786,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -821,7 +798,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':setLogging';
 
     final _response = await _requester.request(
@@ -860,8 +837,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -874,7 +849,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':setMaintenancePolicy';
 
@@ -916,8 +891,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -930,7 +903,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':setMasterAuth';
 
@@ -970,8 +943,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -984,7 +955,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':setMonitoring';
 
@@ -1024,8 +995,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1038,7 +1007,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':setNetworkPolicy';
 
@@ -1078,8 +1047,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1092,7 +1059,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':setResourceLabels';
 
@@ -1132,8 +1099,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1146,7 +1111,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':startIpRotation';
 
@@ -1185,8 +1150,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1199,7 +1162,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1236,8 +1199,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1250,7 +1211,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':updateMaster';
 
@@ -1297,8 +1258,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1311,7 +1270,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/nodePools';
 
     final _response = await _requester.request(
@@ -1366,8 +1325,6 @@
     core.String zone,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1388,7 +1345,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1441,8 +1398,6 @@
     core.String zone,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1463,7 +1418,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1512,8 +1467,6 @@
     core.String zone,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1531,7 +1484,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/nodePools';
 
     final _response = await _requester.request(
@@ -1572,8 +1525,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1586,7 +1537,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':rollback';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':rollback';
 
     final _response = await _requester.request(
       _url,
@@ -1624,8 +1576,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1638,7 +1588,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':setAutoscaling';
 
@@ -1678,8 +1628,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1692,7 +1640,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':setManagement';
 
@@ -1735,8 +1683,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1749,7 +1695,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':setSize';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':setSize';
 
     final _response = await _requester.request(
       _url,
@@ -1787,8 +1734,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1801,7 +1746,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1848,8 +1793,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1858,7 +1801,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/.well-known/openid-configuration';
 
@@ -1905,8 +1848,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1919,7 +1860,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -1969,8 +1911,6 @@
     core.String zone,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1988,7 +1928,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2032,8 +1972,6 @@
     core.String zone,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2048,7 +1986,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/operations';
 
@@ -2104,8 +2042,6 @@
     core.String name,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -2120,7 +2056,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -2180,8 +2116,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2200,7 +2134,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -2252,8 +2186,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2272,7 +2204,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -2329,8 +2261,6 @@
     core.String zone, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2346,7 +2276,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -2403,8 +2333,6 @@
     core.String name,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -2422,7 +2350,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -2473,8 +2401,6 @@
     core.String name,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -2492,7 +2418,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -2542,8 +2468,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2562,7 +2486,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -2613,8 +2537,6 @@
     core.String parent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -2629,7 +2551,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -2683,8 +2605,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2703,7 +2623,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -2755,8 +2675,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2775,7 +2693,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -2827,8 +2745,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2847,7 +2763,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -2899,8 +2815,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2919,7 +2833,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -2971,8 +2885,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2991,7 +2903,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3040,8 +2952,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3060,7 +2970,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3115,8 +3025,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3135,7 +3043,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3187,8 +3095,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3207,7 +3113,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3259,8 +3165,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3279,7 +3183,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3331,8 +3235,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3351,7 +3253,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3413,8 +3315,6 @@
     core.String nodePoolId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3436,7 +3336,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3490,8 +3390,6 @@
     core.String clusterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3510,7 +3408,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3568,8 +3466,6 @@
     core.String name,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -3590,7 +3486,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3648,8 +3544,6 @@
     core.String name,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -3670,7 +3564,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3724,8 +3618,6 @@
     core.String parent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -3743,7 +3635,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3801,8 +3693,6 @@
     core.String nodePoolId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3824,7 +3714,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3882,8 +3772,6 @@
     core.String nodePoolId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3905,7 +3793,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -3966,8 +3854,6 @@
     core.String nodePoolId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3989,7 +3875,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -4047,8 +3933,6 @@
     core.String nodePoolId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4070,7 +3954,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -4131,8 +4015,6 @@
     core.String operationId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4151,7 +4033,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -4205,8 +4087,6 @@
     core.String name,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -4224,7 +4104,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +
@@ -4272,8 +4152,6 @@
     core.String parent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -4288,7 +4166,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/zones/' +
         commons.Escaper.ecapeVariable('$zone') +

generated/googleapis/lib/content/v2_1.dart

diff --git a/generated/googleapis/lib/content/v2_1.dart b/generated/googleapis/lib/content/v2_1.dart
index 676fa6c..a15bdcd 100644
--- a/generated/googleapis/lib/content/v2_1.dart
+++ b/generated/googleapis/lib/content/v2_1.dart
@@ -148,14 +148,12 @@
   async.Future<AccountsAuthInfoResponse> authinfo({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/accounts/authinfo';
+    const _url = 'content/v2.1/accounts/authinfo';
 
     final _response = await _requester.request(
       _url,
@@ -196,8 +194,6 @@
     core.bool overwrite,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -212,7 +208,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
@@ -248,8 +244,6 @@
     AccountsCustomBatchRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -259,7 +253,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/accounts/batch';
+    const _url = 'content/v2.1/accounts/batch';
 
     final _response = await _requester.request(
       _url,
@@ -297,8 +291,6 @@
     core.bool force,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -313,7 +305,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/accounts/' +
         commons.Escaper.ecapeVariable('$accountId');
@@ -358,8 +350,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -374,7 +364,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/accounts/' +
         commons.Escaper.ecapeVariable('$accountId');
@@ -411,8 +401,6 @@
     core.String merchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -425,7 +413,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/accounts';
 
@@ -467,8 +455,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -484,7 +470,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
@@ -539,8 +525,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -561,7 +545,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/accounts';
 
@@ -606,8 +590,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -625,7 +607,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
@@ -670,8 +652,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -687,7 +667,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/accounts/' +
         commons.Escaper.ecapeVariable('$accountId');
@@ -728,8 +708,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -745,7 +723,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
@@ -790,8 +768,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -804,7 +780,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/accounts/' +
+    final _url = 'content/v2.1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/labels';
 
@@ -839,8 +815,6 @@
     core.String labelId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -852,7 +826,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/accounts/' +
+    final _url = 'content/v2.1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/labels/' +
         commons.Escaper.ecapeVariable('$labelId');
@@ -897,8 +871,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -913,7 +885,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/accounts/' +
+    final _url = 'content/v2.1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/labels';
 
@@ -952,8 +924,6 @@
     core.String labelId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -969,7 +939,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/accounts/' +
+    final _url = 'content/v2.1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/labels/' +
         commons.Escaper.ecapeVariable('$labelId');
@@ -1015,8 +985,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1029,7 +997,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/accounts/' +
+    final _url = 'content/v2.1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/returncarrier';
 
@@ -1066,8 +1034,6 @@
     core.String carrierAccountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1079,7 +1045,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/accounts/' +
+    final _url = 'content/v2.1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/returncarrier/' +
         commons.Escaper.ecapeVariable('$carrierAccountId');
@@ -1113,8 +1079,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1123,7 +1087,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/accounts/' +
+    final _url = 'content/v2.1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/returncarrier';
 
@@ -1164,8 +1128,6 @@
     core.String carrierAccountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1181,7 +1143,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/accounts/' +
+    final _url = 'content/v2.1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/returncarrier/' +
         commons.Escaper.ecapeVariable('$carrierAccountId');
@@ -1222,8 +1184,6 @@
     AccountstatusesCustomBatchRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1233,7 +1193,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/accountstatuses/batch';
+    const _url = 'content/v2.1/accountstatuses/batch';
 
     final _response = await _requester.request(
       _url,
@@ -1276,8 +1236,6 @@
     core.List<core.String> destinations,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -1292,7 +1250,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/accountstatuses/' +
         commons.Escaper.ecapeVariable('$accountId');
@@ -1338,8 +1296,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -1357,7 +1313,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/accountstatuses';
 
@@ -1397,8 +1353,6 @@
     AccounttaxCustomBatchRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1408,7 +1362,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/accounttax/batch';
+    const _url = 'content/v2.1/accounttax/batch';
 
     final _response = await _requester.request(
       _url,
@@ -1446,8 +1400,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -1459,7 +1411,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/accounttax/' +
         commons.Escaper.ecapeVariable('$accountId');
@@ -1502,8 +1454,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -1518,7 +1468,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/accounttax';
 
@@ -1562,8 +1512,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1579,7 +1527,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/accounttax/' +
         commons.Escaper.ecapeVariable('$accountId');
@@ -1628,8 +1576,6 @@
     core.String merchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1642,7 +1588,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/collections';
 
@@ -1679,8 +1625,6 @@
     core.String collectionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -1692,7 +1636,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/collections/' +
         commons.Escaper.ecapeVariable('$collectionId');
@@ -1729,8 +1673,6 @@
     core.String collectionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -1742,7 +1684,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/collections/' +
         commons.Escaper.ecapeVariable('$collectionId');
@@ -1790,8 +1732,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -1806,7 +1746,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/collections';
 
@@ -1850,8 +1790,6 @@
     core.String collectionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -1863,7 +1801,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/collectionstatuses/' +
         commons.Escaper.ecapeVariable('$collectionId');
@@ -1908,8 +1846,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -1924,7 +1860,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/collectionstatuses';
 
@@ -1969,8 +1905,6 @@
     core.String cssDomainId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (cssGroupId == null) {
       throw core.ArgumentError('Parameter cssGroupId is required.');
     }
@@ -1982,7 +1916,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$cssGroupId') +
         '/csses/' +
         commons.Escaper.ecapeVariable('$cssDomainId');
@@ -2027,8 +1961,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (cssGroupId == null) {
       throw core.ArgumentError('Parameter cssGroupId is required.');
     }
@@ -2043,7 +1975,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$cssGroupId') +
         '/csses';
 
@@ -2082,8 +2014,6 @@
     core.String cssDomainId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2099,7 +2029,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$cssGroupId') +
         '/csses/' +
         commons.Escaper.ecapeVariable('$cssDomainId') +
@@ -2141,8 +2071,6 @@
     DatafeedsCustomBatchRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2152,7 +2080,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/datafeeds/batch';
+    const _url = 'content/v2.1/datafeeds/batch';
 
     final _response = await _requester.request(
       _url,
@@ -2186,8 +2114,6 @@
     core.String datafeedId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -2199,7 +2125,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/datafeeds/' +
         commons.Escaper.ecapeVariable('$datafeedId');
@@ -2239,8 +2165,6 @@
     core.String datafeedId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -2252,7 +2176,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/datafeeds/' +
         commons.Escaper.ecapeVariable('$datafeedId') +
@@ -2291,8 +2215,6 @@
     core.String datafeedId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -2304,7 +2226,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/datafeeds/' +
         commons.Escaper.ecapeVariable('$datafeedId');
@@ -2341,8 +2263,6 @@
     core.String merchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2355,7 +2275,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/datafeeds';
 
@@ -2396,8 +2316,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -2412,7 +2330,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/datafeeds';
 
@@ -2454,8 +2372,6 @@
     core.String datafeedId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2471,7 +2387,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/datafeeds/' +
         commons.Escaper.ecapeVariable('$datafeedId');
@@ -2511,8 +2427,6 @@
     DatafeedstatusesCustomBatchRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2522,7 +2436,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/datafeedstatuses/batch';
+    const _url = 'content/v2.1/datafeedstatuses/batch';
 
     final _response = await _requester.request(
       _url,
@@ -2570,8 +2484,6 @@
     core.String language,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -2589,7 +2501,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/datafeedstatuses/' +
         commons.Escaper.ecapeVariable('$datafeedId');
@@ -2631,8 +2543,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -2647,7 +2557,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/datafeedstatuses';
 
@@ -2687,8 +2597,6 @@
     LiasettingsCustomBatchRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2698,7 +2606,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/liasettings/batch';
+    const _url = 'content/v2.1/liasettings/batch';
 
     final _response = await _requester.request(
       _url,
@@ -2736,8 +2644,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -2749,7 +2655,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/liasettings/' +
         commons.Escaper.ecapeVariable('$accountId');
@@ -2790,8 +2696,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -2803,7 +2707,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/liasettings/' +
         commons.Escaper.ecapeVariable('$accountId') +
@@ -2847,8 +2751,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -2863,7 +2765,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/liasettings';
 
@@ -2894,14 +2796,12 @@
   async.Future<LiasettingsListPosDataProvidersResponse> listposdataproviders({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/liasettings/posdataproviders';
+    const _url = 'content/v2.1/liasettings/posdataproviders';
 
     final _response = await _requester.request(
       _url,
@@ -2940,8 +2840,6 @@
     core.String gmbEmail, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -2957,7 +2855,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/liasettings/' +
         commons.Escaper.ecapeVariable('$accountId') +
@@ -3002,8 +2900,6 @@
     core.String country, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -3018,7 +2914,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/liasettings/' +
         commons.Escaper.ecapeVariable('$accountId') +
@@ -3073,8 +2969,6 @@
     core.String contactEmail, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -3102,7 +2996,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/liasettings/' +
         commons.Escaper.ecapeVariable('$accountId') +
@@ -3153,8 +3047,6 @@
     core.String posExternalAccountId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -3176,7 +3068,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/liasettings/' +
         commons.Escaper.ecapeVariable('$accountId') +
@@ -3222,8 +3114,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3239,7 +3129,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/liasettings/' +
         commons.Escaper.ecapeVariable('$accountId');
@@ -3281,8 +3171,6 @@
     LocalinventoryCustomBatchRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3292,7 +3180,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/localinventory/batch';
+    const _url = 'content/v2.1/localinventory/batch';
 
     final _response = await _requester.request(
       _url,
@@ -3332,8 +3220,6 @@
     core.String productId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3349,7 +3235,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/products/' +
         commons.Escaper.ecapeVariable('$productId') +
@@ -3399,8 +3285,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3416,7 +3300,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orderinvoices/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -3464,8 +3348,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3481,7 +3363,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orderinvoices/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -3539,8 +3421,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -3561,7 +3441,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orderreports/disbursements';
 
@@ -3615,8 +3495,6 @@
     core.String transactionStartDate,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -3640,7 +3518,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orderreports/disbursements/' +
         commons.Escaper.ecapeVariable('$disbursementId') +
@@ -3688,8 +3566,6 @@
     core.String returnId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3705,7 +3581,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orderreturns/' +
         commons.Escaper.ecapeVariable('$returnId') +
@@ -3745,8 +3621,6 @@
     core.String merchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3759,7 +3633,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orderreturns/createOrderReturn';
 
@@ -3797,8 +3671,6 @@
     core.String returnId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -3810,7 +3682,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orderreturns/' +
         commons.Escaper.ecapeVariable('$returnId');
@@ -3909,8 +3781,6 @@
     core.List<core.String> shipmentTypes,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -3952,7 +3822,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orderreturns';
 
@@ -3992,8 +3862,6 @@
     core.String returnId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4009,7 +3877,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orderreturns/' +
         commons.Escaper.ecapeVariable('$returnId') +
@@ -4058,8 +3926,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4075,7 +3941,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -4117,8 +3983,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -4130,7 +3994,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/testorders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -4172,8 +4036,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4189,7 +4051,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -4232,8 +4094,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4249,7 +4109,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -4295,8 +4155,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4312,7 +4170,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/testorders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -4354,8 +4212,6 @@
     core.String merchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4368,7 +4224,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/testorders';
 
@@ -4411,8 +4267,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4428,7 +4282,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -4468,8 +4322,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -4481,7 +4333,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId');
@@ -4518,8 +4370,6 @@
     core.String merchantOrderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -4531,7 +4381,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/ordersbymerchantid/' +
         commons.Escaper.ecapeVariable('$merchantOrderId');
@@ -4582,8 +4432,6 @@
     core.String country,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -4598,7 +4446,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/testordertemplates/' +
         commons.Escaper.ecapeVariable('$templateName');
@@ -4649,8 +4497,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4666,7 +4512,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -4737,8 +4583,6 @@
     core.List<core.String> statuses,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -4768,7 +4612,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders';
 
@@ -4808,8 +4652,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4825,7 +4667,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -4868,8 +4710,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4885,7 +4725,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -4928,8 +4768,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4945,7 +4783,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -4995,8 +4833,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5012,7 +4848,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -5060,8 +4896,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5077,7 +4911,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -5120,8 +4954,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5137,7 +4969,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -5181,8 +5013,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5198,7 +5028,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -5241,8 +5071,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5258,7 +5086,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -5301,8 +5129,6 @@
     core.String orderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5318,7 +5144,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/orders/' +
         commons.Escaper.ecapeVariable('$orderId') +
@@ -5365,8 +5191,6 @@
     core.String merchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5379,7 +5203,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/ordertrackingsignals';
 
@@ -5419,8 +5243,6 @@
     PosCustomBatchRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5430,7 +5252,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/pos/batch';
+    const _url = 'content/v2.1/pos/batch';
 
     final _response = await _requester.request(
       _url,
@@ -5466,8 +5288,6 @@
     core.String storeCode, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -5482,7 +5302,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/pos/' +
         commons.Escaper.ecapeVariable('$targetMerchantId') +
@@ -5523,8 +5343,6 @@
     core.String storeCode, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -5539,7 +5357,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/pos/' +
         commons.Escaper.ecapeVariable('$targetMerchantId') +
@@ -5580,8 +5398,6 @@
     core.String targetMerchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5597,7 +5413,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/pos/' +
         commons.Escaper.ecapeVariable('$targetMerchantId') +
@@ -5638,8 +5454,6 @@
     core.String targetMerchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5655,7 +5469,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/pos/' +
         commons.Escaper.ecapeVariable('$targetMerchantId') +
@@ -5694,8 +5508,6 @@
     core.String targetMerchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -5707,7 +5519,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/pos/' +
         commons.Escaper.ecapeVariable('$targetMerchantId') +
@@ -5748,8 +5560,6 @@
     core.String targetMerchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5765,7 +5575,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/pos/' +
         commons.Escaper.ecapeVariable('$targetMerchantId') +
@@ -5807,8 +5617,6 @@
     ProductsCustomBatchRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5818,7 +5626,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/products/batch';
+    const _url = 'content/v2.1/products/batch';
 
     final _response = await _requester.request(
       _url,
@@ -5855,8 +5663,6 @@
     core.String feedId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -5871,7 +5677,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/products/' +
         commons.Escaper.ecapeVariable('$productId');
@@ -5908,8 +5714,6 @@
     core.String productId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -5921,7 +5725,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/products/' +
         commons.Escaper.ecapeVariable('$productId');
@@ -5964,8 +5768,6 @@
     core.String feedId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5981,7 +5783,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/products';
 
@@ -6025,8 +5827,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -6041,7 +5841,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/products';
 
@@ -6083,8 +5883,6 @@
     ProductstatusesCustomBatchRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6094,7 +5892,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/productstatuses/batch';
+    const _url = 'content/v2.1/productstatuses/batch';
 
     final _response = await _requester.request(
       _url,
@@ -6134,8 +5932,6 @@
     core.List<core.String> destinations,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -6150,7 +5946,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/productstatuses/' +
         commons.Escaper.ecapeVariable('$productId');
@@ -6196,8 +5992,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -6215,7 +6009,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/productstatuses';
 
@@ -6287,8 +6081,6 @@
     core.String startDate,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -6315,7 +6107,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/productstatuses/' +
         commons.Escaper.ecapeVariable('$productId') +
@@ -6358,8 +6150,6 @@
     core.String merchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -6368,7 +6158,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/pubsubnotificationsettings';
 
@@ -6406,8 +6196,6 @@
     core.String merchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6420,7 +6208,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/pubsubnotificationsettings';
 
@@ -6461,8 +6249,6 @@
     RegionalinventoryCustomBatchRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6472,7 +6258,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/regionalinventory/batch';
+    const _url = 'content/v2.1/regionalinventory/batch';
 
     final _response = await _requester.request(
       _url,
@@ -6516,8 +6302,6 @@
     core.String productId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6533,7 +6317,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/products/' +
         commons.Escaper.ecapeVariable('$productId') +
@@ -6582,8 +6366,6 @@
     core.String regionId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6599,7 +6381,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/regions';
 
@@ -6634,8 +6416,6 @@
     core.String regionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -6647,7 +6427,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$regionId');
@@ -6684,8 +6464,6 @@
     core.String regionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -6697,7 +6475,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$regionId');
@@ -6743,8 +6521,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -6759,7 +6535,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/regions';
 
@@ -6802,8 +6578,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6822,7 +6596,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$regionId');
@@ -6872,8 +6646,6 @@
     core.String ruleId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6889,7 +6661,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/repricingrules';
 
@@ -6925,8 +6697,6 @@
     core.String ruleId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -6938,7 +6708,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/repricingrules/' +
         commons.Escaper.ecapeVariable('$ruleId');
@@ -6975,8 +6745,6 @@
     core.String ruleId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -6988,7 +6756,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/repricingrules/' +
         commons.Escaper.ecapeVariable('$ruleId');
@@ -7043,8 +6811,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -7065,7 +6831,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/repricingrules';
 
@@ -7110,8 +6876,6 @@
     core.String ruleId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7127,7 +6891,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/repricingrules/' +
         commons.Escaper.ecapeVariable('$ruleId');
@@ -7194,8 +6958,6 @@
     core.String startDate,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -7219,7 +6981,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/repricingrules/' +
         commons.Escaper.ecapeVariable('$ruleId') +
@@ -7260,8 +7022,6 @@
     ReturnaddressCustomBatchRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7271,7 +7031,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/returnaddress/batch';
+    const _url = 'content/v2.1/returnaddress/batch';
 
     final _response = await _requester.request(
       _url,
@@ -7305,8 +7065,6 @@
     core.String returnAddressId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -7318,7 +7076,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/returnaddress/' +
         commons.Escaper.ecapeVariable('$returnAddressId');
@@ -7354,8 +7112,6 @@
     core.String returnAddressId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -7367,7 +7123,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/returnaddress/' +
         commons.Escaper.ecapeVariable('$returnAddressId');
@@ -7404,8 +7160,6 @@
     core.String merchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7418,7 +7172,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/returnaddress';
 
@@ -7463,8 +7217,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -7482,7 +7234,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/returnaddress';
 
@@ -7521,8 +7273,6 @@
     ReturnpolicyCustomBatchRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7532,7 +7282,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/returnpolicy/batch';
+    const _url = 'content/v2.1/returnpolicy/batch';
 
     final _response = await _requester.request(
       _url,
@@ -7566,8 +7316,6 @@
     core.String returnPolicyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -7579,7 +7327,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/returnpolicy/' +
         commons.Escaper.ecapeVariable('$returnPolicyId');
@@ -7615,8 +7363,6 @@
     core.String returnPolicyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -7628,7 +7374,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/returnpolicy/' +
         commons.Escaper.ecapeVariable('$returnPolicyId');
@@ -7665,8 +7411,6 @@
     core.String merchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7679,7 +7423,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/returnpolicy';
 
@@ -7713,8 +7457,6 @@
     core.String merchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -7723,7 +7465,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/returnpolicy';
 
@@ -7765,8 +7507,6 @@
     core.String settlementId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -7778,7 +7518,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/settlementreports/' +
         commons.Escaper.ecapeVariable('$settlementId');
@@ -7828,8 +7568,6 @@
     core.String transferStartDate,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -7850,7 +7588,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/settlementreports';
 
@@ -7905,8 +7643,6 @@
     core.List<core.String> transactionIds,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -7927,7 +7663,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/settlementreports/' +
         commons.Escaper.ecapeVariable('$settlementId') +
@@ -7969,8 +7705,6 @@
     ShippingsettingsCustomBatchRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7980,7 +7714,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/shippingsettings/batch';
+    const _url = 'content/v2.1/shippingsettings/batch';
 
     final _response = await _requester.request(
       _url,
@@ -8018,8 +7752,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -8031,7 +7763,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/shippingsettings/' +
         commons.Escaper.ecapeVariable('$accountId');
@@ -8067,8 +7799,6 @@
     core.String merchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -8077,7 +7807,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/supportedCarriers';
 
@@ -8112,8 +7842,6 @@
     core.String merchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -8122,7 +7850,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/supportedHolidays';
 
@@ -8157,8 +7885,6 @@
     core.String merchantId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -8167,7 +7893,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/supportedPickupServices';
 
@@ -8209,8 +7935,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (merchantId == null) {
       throw core.ArgumentError('Parameter merchantId is required.');
     }
@@ -8225,7 +7949,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/shippingsettings';
 
@@ -8269,8 +7993,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8286,7 +8008,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'content/v2.1/' +
+    final _url = 'content/v2.1/' +
         commons.Escaper.ecapeVariable('$merchantId') +
         '/shippingsettings/' +
         commons.Escaper.ecapeVariable('$accountId');

generated/googleapis/lib/customsearch/v1.dart

diff --git a/generated/googleapis/lib/customsearch/v1.dart b/generated/googleapis/lib/customsearch/v1.dart
index 57bb0fb..ad14ad2 100644
--- a/generated/googleapis/lib/customsearch/v1.dart
+++ b/generated/googleapis/lib/customsearch/v1.dart
@@ -312,8 +312,6 @@
     core.int start,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (c2coff != null) {
       _queryParams['c2coff'] = [c2coff];
@@ -412,7 +410,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'customsearch/v1';
+    const _url = 'customsearch/v1';
 
     final _response = await _requester.request(
       _url,
@@ -683,8 +681,6 @@
     core.int start,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (c2coff != null) {
       _queryParams['c2coff'] = [c2coff];
@@ -783,7 +779,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'customsearch/v1/siterestrict';
+    const _url = 'customsearch/v1/siterestrict';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/datafusion/v1.dart

diff --git a/generated/googleapis/lib/datafusion/v1.dart b/generated/googleapis/lib/datafusion/v1.dart
index 8e2bef3..b2d2c91 100644
--- a/generated/googleapis/lib/datafusion/v1.dart
+++ b/generated/googleapis/lib/datafusion/v1.dart
@@ -113,8 +113,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -123,7 +121,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -167,8 +165,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -191,7 +187,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -238,8 +234,6 @@
     core.String instanceId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -255,7 +249,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -290,8 +284,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -300,7 +292,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -333,8 +325,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -343,7 +333,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -389,8 +379,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -404,7 +392,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -454,8 +442,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -476,7 +462,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -522,8 +508,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -539,7 +523,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -578,8 +562,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -592,7 +574,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':restart';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':restart';
 
     final _response = await _requester.request(
       _url,
@@ -633,8 +616,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -647,7 +628,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -692,8 +673,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -706,7 +685,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -761,8 +740,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -775,7 +752,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -812,8 +790,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -822,7 +798,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -857,8 +833,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -867,7 +841,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -916,8 +890,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -935,7 +907,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(
@@ -991,8 +963,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1010,7 +980,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/versions';
 
     final _response = await _requester.request(

generated/googleapis/lib/dataproc/v1.dart

diff --git a/generated/googleapis/lib/dataproc/v1.dart b/generated/googleapis/lib/dataproc/v1.dart
index fffbd18..9506b6f 100644
--- a/generated/googleapis/lib/dataproc/v1.dart
+++ b/generated/googleapis/lib/dataproc/v1.dart
@@ -120,8 +120,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -134,7 +132,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/autoscalingPolicies';
 
@@ -180,8 +178,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -190,7 +186,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -229,8 +225,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -239,7 +233,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -280,8 +274,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -294,7 +286,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -342,8 +334,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -358,7 +348,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/autoscalingPolicies';
 
@@ -401,8 +391,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -415,7 +403,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -460,8 +448,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -474,7 +460,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -521,8 +507,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -535,7 +519,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -584,8 +568,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -598,7 +580,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/workflowTemplates';
 
@@ -648,8 +630,6 @@
     core.int version,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -661,7 +641,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -706,8 +686,6 @@
     core.int version,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -719,7 +697,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -760,8 +738,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -774,7 +750,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -829,8 +805,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -843,7 +817,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':instantiate';
 
     final _response = await _requester.request(
@@ -907,8 +881,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -924,7 +896,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/workflowTemplates:instantiateInline';
 
@@ -972,8 +944,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -988,7 +958,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/workflowTemplates';
 
@@ -1031,8 +1001,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1045,7 +1013,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1090,8 +1058,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1104,7 +1070,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -1153,8 +1119,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1167,7 +1131,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1233,8 +1197,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1247,7 +1209,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/autoscalingPolicies';
 
@@ -1293,8 +1255,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1303,7 +1263,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1342,8 +1302,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1352,7 +1310,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1393,8 +1351,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1407,7 +1363,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -1455,8 +1411,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1471,7 +1425,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/autoscalingPolicies';
 
@@ -1514,8 +1468,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1528,7 +1480,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1573,8 +1525,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1587,7 +1537,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -1634,8 +1584,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1648,7 +1596,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1707,8 +1655,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1727,7 +1673,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -1786,8 +1732,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -1808,7 +1752,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -1859,8 +1803,6 @@
     core.String clusterName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1879,7 +1821,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -1923,8 +1865,6 @@
     core.String clusterName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -1939,7 +1879,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -1984,8 +1924,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1998,7 +1936,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -2047,8 +1985,6 @@
     core.String cluster, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2067,7 +2003,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$project') +
         '/' +
         commons.Escaper.ecapeVariableReserved('$region') +
@@ -2128,8 +2064,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -2150,7 +2084,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -2236,8 +2170,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2267,7 +2199,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -2313,8 +2245,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2327,7 +2257,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -2372,8 +2302,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2386,7 +2314,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -2443,8 +2371,6 @@
     core.String jobId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2463,7 +2389,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -2510,8 +2436,6 @@
     core.String jobId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -2526,7 +2450,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -2568,8 +2492,6 @@
     core.String jobId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -2584,7 +2506,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -2628,8 +2550,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2642,7 +2562,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -2711,8 +2631,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -2739,7 +2657,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -2791,8 +2709,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2814,7 +2730,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -2859,8 +2775,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2873,7 +2787,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -2913,8 +2827,6 @@
     core.String region, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2930,7 +2842,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -2972,8 +2884,6 @@
     core.String region, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2989,7 +2899,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/regions/' +
         commons.Escaper.ecapeVariable('$region') +
@@ -3035,8 +2945,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3049,7 +2957,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -3101,8 +3009,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3111,7 +3017,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -3147,8 +3054,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3157,7 +3062,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3192,8 +3097,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3202,7 +3105,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3242,8 +3145,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3256,7 +3157,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -3308,8 +3209,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3327,7 +3226,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3368,8 +3267,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3382,7 +3279,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -3427,8 +3324,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3441,7 +3336,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -3492,8 +3387,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3506,7 +3399,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/workflowTemplates';
 
@@ -3556,8 +3449,6 @@
     core.int version,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3569,7 +3460,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3614,8 +3505,6 @@
     core.int version,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3627,7 +3516,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3668,8 +3557,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3682,7 +3569,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -3737,8 +3624,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3751,7 +3636,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':instantiate';
 
     final _response = await _requester.request(
@@ -3815,8 +3700,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3832,7 +3715,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/workflowTemplates:instantiateInline';
 
@@ -3880,8 +3763,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3896,7 +3777,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/workflowTemplates';
 
@@ -3939,8 +3820,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3953,7 +3832,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -3998,8 +3877,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4012,7 +3889,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -4061,8 +3938,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4075,7 +3950,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/datastore/v1.dart

diff --git a/generated/googleapis/lib/datastore/v1.dart b/generated/googleapis/lib/datastore/v1.dart
index 1b069ca..33f8e58 100644
--- a/generated/googleapis/lib/datastore/v1.dart
+++ b/generated/googleapis/lib/datastore/v1.dart
@@ -95,8 +95,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -109,7 +107,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         ':allocateIds';
 
@@ -147,8 +145,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -161,7 +157,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         ':beginTransaction';
 
@@ -200,8 +196,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -214,7 +208,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         ':commit';
 
@@ -259,8 +253,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -273,7 +265,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         ':export';
 
@@ -316,8 +308,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -330,7 +320,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         ':import';
 
@@ -368,8 +358,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -382,7 +370,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         ':lookup';
 
@@ -421,8 +409,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -435,7 +421,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         ':reserveIds';
 
@@ -473,8 +459,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -487,7 +471,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         ':rollback';
 
@@ -525,8 +509,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -539,7 +521,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         ':runQuery';
 
@@ -591,8 +573,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -605,7 +585,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/indexes';
 
@@ -650,8 +630,6 @@
     core.String indexId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -663,7 +641,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/indexes/' +
         commons.Escaper.ecapeVariable('$indexId');
@@ -700,8 +678,6 @@
     core.String indexId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -713,7 +689,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/indexes/' +
         commons.Escaper.ecapeVariable('$indexId');
@@ -761,8 +737,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -780,7 +754,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/indexes';
 
@@ -829,8 +803,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -839,7 +811,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -874,8 +847,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -884,7 +855,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -918,8 +889,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -928,7 +897,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -978,8 +947,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -997,7 +964,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(

generated/googleapis/lib/deploymentmanager/v2.dart

diff --git a/generated/googleapis/lib/deploymentmanager/v2.dart b/generated/googleapis/lib/deploymentmanager/v2.dart
index 25f8e4b..33f77dc 100644
--- a/generated/googleapis/lib/deploymentmanager/v2.dart
+++ b/generated/googleapis/lib/deploymentmanager/v2.dart
@@ -114,8 +114,6 @@
     core.String deployment, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -131,7 +129,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/deployments/' +
         commons.Escaper.ecapeVariable('$deployment') +
@@ -177,8 +175,6 @@
     core.String deletePolicy,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -193,7 +189,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/deployments/' +
         commons.Escaper.ecapeVariable('$deployment');
@@ -232,8 +228,6 @@
     core.String deployment, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -245,7 +239,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/deployments/' +
         commons.Escaper.ecapeVariable('$deployment');
@@ -291,8 +285,6 @@
     core.int optionsRequestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -309,7 +301,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/deployments/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -365,8 +357,6 @@
     core.bool preview,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -385,7 +375,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/deployments';
 
@@ -461,8 +451,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -483,7 +471,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/deployments';
 
@@ -550,8 +538,6 @@
     core.bool preview,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -576,7 +562,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/deployments/' +
         commons.Escaper.ecapeVariable('$deployment');
@@ -622,8 +608,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -639,7 +623,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/deployments/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -686,8 +670,6 @@
     core.String deployment, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -703,7 +685,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/deployments/' +
         commons.Escaper.ecapeVariable('$deployment') +
@@ -748,8 +730,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -765,7 +745,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/deployments/' +
         commons.Escaper.ecapeVariable('$resource') +
@@ -835,8 +815,6 @@
     core.bool preview,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -861,7 +839,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/deployments/' +
         commons.Escaper.ecapeVariable('$deployment');
@@ -911,8 +889,6 @@
     core.String manifest, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -927,7 +903,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/deployments/' +
         commons.Escaper.ecapeVariable('$deployment') +
@@ -1009,8 +985,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1034,7 +1008,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/deployments/' +
         commons.Escaper.ecapeVariable('$deployment') +
@@ -1080,8 +1054,6 @@
     core.String operation, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1093,7 +1065,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/operations/' +
         commons.Escaper.ecapeVariable('$operation');
@@ -1169,8 +1141,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1191,7 +1161,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/operations';
 
@@ -1239,8 +1209,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1255,7 +1223,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/deployments/' +
         commons.Escaper.ecapeVariable('$deployment') +
@@ -1337,8 +1305,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1362,7 +1328,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/deployments/' +
         commons.Escaper.ecapeVariable('$deployment') +
@@ -1446,8 +1412,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1468,7 +1432,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deploymentmanager/v2/projects/' +
+    final _url = 'deploymentmanager/v2/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/global/types';
 

generated/googleapis/lib/dfareporting/v3_4.dart

diff --git a/generated/googleapis/lib/dfareporting/v3_4.dart b/generated/googleapis/lib/dfareporting/v3_4.dart
index fcfc624..9eb004e 100644
--- a/generated/googleapis/lib/dfareporting/v3_4.dart
+++ b/generated/googleapis/lib/dfareporting/v3_4.dart
@@ -255,8 +255,6 @@
     core.String summaryAccountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -268,7 +266,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/accountActiveAdSummaries/' +
         commons.Escaper.ecapeVariable('$summaryAccountId');
@@ -312,8 +310,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -325,7 +321,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/accountPermissionGroups/' +
         commons.Escaper.ecapeVariable('$id');
@@ -359,8 +355,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -369,7 +363,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/accountPermissionGroups';
 
@@ -411,8 +405,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -424,7 +416,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/accountPermissions/' +
         commons.Escaper.ecapeVariable('$id');
@@ -458,8 +450,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -468,7 +458,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/accountPermissions';
 
@@ -511,8 +501,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -524,7 +512,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/accountUserProfiles/' +
         commons.Escaper.ecapeVariable('$id');
@@ -561,8 +549,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -575,7 +561,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/accountUserProfiles';
 
@@ -652,8 +638,6 @@
     core.String userRoleId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -689,7 +673,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/accountUserProfiles';
 
@@ -730,8 +714,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -748,7 +730,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/accountUserProfiles';
 
@@ -785,8 +767,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -799,7 +779,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/accountUserProfiles';
 
@@ -842,8 +822,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -855,7 +833,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/accounts/' +
         commons.Escaper.ecapeVariable('$id');
@@ -924,8 +902,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -955,7 +931,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/accounts';
 
@@ -996,8 +972,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1014,7 +988,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/accounts';
 
@@ -1050,8 +1024,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1064,7 +1036,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/accounts';
 
@@ -1106,8 +1078,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -1119,7 +1089,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/ads/' +
         commons.Escaper.ecapeVariable('$id');
@@ -1155,8 +1125,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1169,7 +1137,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'userprofiles/' + commons.Escaper.ecapeVariable('$profileId') + '/ads';
 
     final _response = await _requester.request(
@@ -1301,8 +1269,6 @@
     core.List<core.String> type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -1381,7 +1347,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'userprofiles/' + commons.Escaper.ecapeVariable('$profileId') + '/ads';
 
     final _response = await _requester.request(
@@ -1421,8 +1387,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1439,7 +1403,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'userprofiles/' + commons.Escaper.ecapeVariable('$profileId') + '/ads';
 
     final _response = await _requester.request(
@@ -1474,8 +1438,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1488,7 +1450,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'userprofiles/' + commons.Escaper.ecapeVariable('$profileId') + '/ads';
 
     final _response = await _requester.request(
@@ -1527,8 +1489,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -1540,7 +1500,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertiserGroups/' +
         commons.Escaper.ecapeVariable('$id');
@@ -1576,8 +1536,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -1589,7 +1547,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertiserGroups/' +
         commons.Escaper.ecapeVariable('$id');
@@ -1626,8 +1584,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1640,7 +1596,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertiserGroups';
 
@@ -1707,8 +1663,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -1735,7 +1689,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertiserGroups';
 
@@ -1776,8 +1730,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1794,7 +1746,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertiserGroups';
 
@@ -1831,8 +1783,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1845,7 +1795,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertiserGroups';
 
@@ -1889,8 +1839,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -1902,7 +1850,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertiserLandingPages/' +
         commons.Escaper.ecapeVariable('$id');
@@ -1939,8 +1887,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1953,7 +1899,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertiserLandingPages';
 
@@ -2033,8 +1979,6 @@
     core.String subaccountId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -2073,7 +2017,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertiserLandingPages';
 
@@ -2114,8 +2058,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2132,7 +2074,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertiserLandingPages';
 
@@ -2169,8 +2111,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2183,7 +2123,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertiserLandingPages';
 
@@ -2226,8 +2166,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -2239,7 +2177,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertisers/' +
         commons.Escaper.ecapeVariable('$id');
@@ -2276,8 +2214,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2290,7 +2226,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertisers';
 
@@ -2382,8 +2318,6 @@
     core.String subaccountId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -2430,7 +2364,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertisers';
 
@@ -2471,8 +2405,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2489,7 +2421,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertisers';
 
@@ -2526,8 +2458,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2540,7 +2470,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/advertisers';
 
@@ -2580,8 +2510,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -2590,7 +2518,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/browsers';
 
@@ -2639,8 +2567,6 @@
     core.String campaignId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2656,7 +2582,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/campaigns/' +
         commons.Escaper.ecapeVariable('$campaignId') +
@@ -2710,8 +2636,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -2732,7 +2656,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/campaigns/' +
         commons.Escaper.ecapeVariable('$campaignId') +
@@ -2776,8 +2700,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -2789,7 +2711,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/campaigns/' +
         commons.Escaper.ecapeVariable('$id');
@@ -2825,8 +2747,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2839,7 +2759,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/campaigns';
 
@@ -2930,8 +2850,6 @@
     core.String subaccountId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -2981,7 +2899,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/campaigns';
 
@@ -3022,8 +2940,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3040,7 +2956,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/campaigns';
 
@@ -3076,8 +2992,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3090,7 +3004,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/campaigns';
 
@@ -3132,8 +3046,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -3145,7 +3057,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/changeLogs/' +
         commons.Escaper.ecapeVariable('$id');
@@ -3281,8 +3193,6 @@
     core.List<core.String> userProfileIds,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -3321,7 +3231,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/changeLogs';
 
@@ -3372,8 +3282,6 @@
     core.List<core.String> regionDartIds,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -3394,7 +3302,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/cities';
 
@@ -3436,8 +3344,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -3449,7 +3355,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/connectionTypes/' +
         commons.Escaper.ecapeVariable('$id');
@@ -3483,8 +3389,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -3493,7 +3397,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/connectionTypes';
 
@@ -3533,8 +3437,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -3546,7 +3448,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/contentCategories/' +
         commons.Escaper.ecapeVariable('$id');
@@ -3582,8 +3484,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -3595,7 +3495,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/contentCategories/' +
         commons.Escaper.ecapeVariable('$id');
@@ -3632,8 +3532,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3646,7 +3544,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/contentCategories';
 
@@ -3713,8 +3611,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -3741,7 +3637,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/contentCategories';
 
@@ -3782,8 +3678,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3800,7 +3694,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/contentCategories';
 
@@ -3837,8 +3731,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3851,7 +3743,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/contentCategories';
 
@@ -3894,8 +3786,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3908,7 +3798,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/conversions/batchinsert';
 
@@ -3945,8 +3835,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3959,7 +3847,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/conversions/batchupdate';
 
@@ -4002,8 +3890,6 @@
     core.String dartId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -4015,7 +3901,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/countries/' +
         commons.Escaper.ecapeVariable('$dartId');
@@ -4048,8 +3934,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -4058,7 +3942,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/countries';
 
@@ -4106,8 +3990,6 @@
     core.String $fields,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4123,6 +4005,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'userprofiles/' +
           commons.Escaper.ecapeVariable('$profileId') +
@@ -4180,8 +4063,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -4196,7 +4077,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeFields/' +
         commons.Escaper.ecapeVariable('$creativeFieldId') +
@@ -4237,8 +4118,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -4253,7 +4132,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeFields/' +
         commons.Escaper.ecapeVariable('$creativeFieldId') +
@@ -4295,8 +4174,6 @@
     core.String creativeFieldId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4312,7 +4189,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeFields/' +
         commons.Escaper.ecapeVariable('$creativeFieldId') +
@@ -4379,8 +4256,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -4410,7 +4285,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeFields/' +
         commons.Escaper.ecapeVariable('$creativeFieldId') +
@@ -4456,8 +4331,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4477,7 +4350,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeFields/' +
         commons.Escaper.ecapeVariable('$creativeFieldId') +
@@ -4519,8 +4392,6 @@
     core.String creativeFieldId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4536,7 +4407,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeFields/' +
         commons.Escaper.ecapeVariable('$creativeFieldId') +
@@ -4579,8 +4450,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -4592,7 +4461,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeFields/' +
         commons.Escaper.ecapeVariable('$id');
@@ -4628,8 +4497,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -4641,7 +4508,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeFields/' +
         commons.Escaper.ecapeVariable('$id');
@@ -4678,8 +4545,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4692,7 +4557,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeFields';
 
@@ -4764,8 +4629,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -4795,7 +4658,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeFields';
 
@@ -4836,8 +4699,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4854,7 +4715,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeFields';
 
@@ -4891,8 +4752,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4905,7 +4764,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeFields';
 
@@ -4948,8 +4807,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -4961,7 +4818,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeGroups/' +
         commons.Escaper.ecapeVariable('$id');
@@ -4998,8 +4855,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5012,7 +4867,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeGroups';
 
@@ -5088,8 +4943,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -5122,7 +4975,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeGroups';
 
@@ -5163,8 +5016,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5181,7 +5032,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeGroups';
 
@@ -5218,8 +5069,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5232,7 +5081,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creativeGroups';
 
@@ -5275,8 +5124,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -5288,7 +5135,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creatives/' +
         commons.Escaper.ecapeVariable('$id');
@@ -5324,8 +5171,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5338,7 +5183,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creatives';
 
@@ -5438,8 +5283,6 @@
     core.List<core.String> types,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -5496,7 +5339,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creatives';
 
@@ -5537,8 +5380,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5555,7 +5396,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creatives';
 
@@ -5591,8 +5432,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5605,7 +5444,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/creatives';
 
@@ -5647,8 +5486,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5661,7 +5498,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/customEvents/batchinsert';
 
@@ -5711,8 +5548,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5731,7 +5566,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/dimensionvalues/query';
 
@@ -5774,8 +5609,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -5787,7 +5620,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/directorySites/' +
         commons.Escaper.ecapeVariable('$id');
@@ -5824,8 +5657,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5838,7 +5669,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/directorySites';
 
@@ -5925,8 +5756,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -5974,7 +5803,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/directorySites';
 
@@ -6030,8 +5859,6 @@
     core.String objectType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -6051,7 +5878,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/dynamicTargetingKeys/' +
         commons.Escaper.ecapeVariable('$objectId');
@@ -6092,8 +5919,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6106,7 +5931,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/dynamicTargetingKeys';
 
@@ -6158,8 +5983,6 @@
     core.String objectType,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -6180,7 +6003,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/dynamicTargetingKeys';
 
@@ -6220,8 +6043,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -6233,7 +6054,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/eventTags/' +
         commons.Escaper.ecapeVariable('$id');
@@ -6269,8 +6090,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -6282,7 +6101,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/eventTags/' +
         commons.Escaper.ecapeVariable('$id');
@@ -6318,8 +6137,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6332,7 +6149,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/eventTags';
 
@@ -6421,8 +6238,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -6461,7 +6276,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/eventTags';
 
@@ -6502,8 +6317,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6520,7 +6333,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/eventTags';
 
@@ -6556,8 +6369,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6570,7 +6381,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/eventTags';
 
@@ -6623,8 +6434,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     if (reportId == null) {
       throw core.ArgumentError('Parameter reportId is required.');
     }
@@ -6636,7 +6445,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'reports/' +
+    final _url = 'reports/' +
         commons.Escaper.ecapeVariable('$reportId') +
         '/files/' +
         commons.Escaper.ecapeVariable('$fileId');
@@ -6701,8 +6510,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -6726,7 +6533,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/files';
 
@@ -6766,8 +6573,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -6779,7 +6584,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightActivities/' +
         commons.Escaper.ecapeVariable('$id');
@@ -6816,8 +6621,6 @@
     core.String floodlightActivityId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -6829,7 +6632,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightActivities/generatetag';
 
@@ -6865,8 +6668,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -6878,7 +6679,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightActivities/' +
         commons.Escaper.ecapeVariable('$id');
@@ -6915,8 +6716,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6929,7 +6728,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightActivities';
 
@@ -7032,8 +6831,6 @@
     core.String tagString,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -7087,7 +6884,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightActivities';
 
@@ -7128,8 +6925,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7146,7 +6941,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightActivities';
 
@@ -7183,8 +6978,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7197,7 +6990,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightActivities';
 
@@ -7241,8 +7034,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -7254,7 +7045,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightActivityGroups/' +
         commons.Escaper.ecapeVariable('$id');
@@ -7291,8 +7082,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7305,7 +7094,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightActivityGroups';
 
@@ -7393,8 +7182,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -7430,7 +7217,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightActivityGroups';
 
@@ -7471,8 +7258,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7489,7 +7274,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightActivityGroups';
 
@@ -7526,8 +7311,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7540,7 +7323,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightActivityGroups';
 
@@ -7584,8 +7367,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -7597,7 +7378,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightConfigurations/' +
         commons.Escaper.ecapeVariable('$id');
@@ -7635,8 +7416,6 @@
     core.List<core.String> ids,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -7648,7 +7427,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightConfigurations';
 
@@ -7689,8 +7468,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7707,7 +7484,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightConfigurations';
 
@@ -7744,8 +7521,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7758,7 +7533,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/floodlightConfigurations';
 
@@ -7804,8 +7579,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -7820,7 +7593,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
@@ -7899,8 +7672,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -7939,7 +7710,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
@@ -7980,8 +7751,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -7990,7 +7759,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/languages';
 
@@ -8029,8 +7798,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -8039,7 +7806,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/metros';
 
@@ -8081,8 +7848,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -8094,7 +7859,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/mobileApps/' +
         commons.Escaper.ecapeVariable('$id');
@@ -8148,8 +7913,6 @@
     core.String searchString,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -8173,7 +7936,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/mobileApps';
 
@@ -8215,8 +7978,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -8228,7 +7989,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/mobileCarriers/' +
         commons.Escaper.ecapeVariable('$id');
@@ -8262,8 +8023,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -8272,7 +8031,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/mobileCarriers';
 
@@ -8315,8 +8074,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -8328,7 +8085,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/operatingSystemVersions/' +
         commons.Escaper.ecapeVariable('$id');
@@ -8362,8 +8119,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -8372,7 +8127,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/operatingSystemVersions';
 
@@ -8414,8 +8169,6 @@
     core.String dartId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -8427,7 +8180,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/operatingSystems/' +
         commons.Escaper.ecapeVariable('$dartId');
@@ -8461,8 +8214,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -8471,7 +8222,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/operatingSystems';
 
@@ -8516,8 +8267,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -8532,7 +8281,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
@@ -8616,8 +8365,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -8656,7 +8403,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
@@ -8703,8 +8450,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -8719,7 +8464,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
@@ -8792,8 +8537,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -8826,7 +8569,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
@@ -8870,8 +8613,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -8883,7 +8624,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placementGroups/' +
         commons.Escaper.ecapeVariable('$id');
@@ -8920,8 +8661,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8934,7 +8673,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placementGroups';
 
@@ -9065,8 +8804,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -9132,7 +8869,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placementGroups';
 
@@ -9173,8 +8910,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9191,7 +8926,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placementGroups';
 
@@ -9228,8 +8963,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9242,7 +8975,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placementGroups';
 
@@ -9284,8 +9017,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -9297,7 +9028,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placementStrategies/' +
         commons.Escaper.ecapeVariable('$id');
@@ -9333,8 +9064,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -9346,7 +9075,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placementStrategies/' +
         commons.Escaper.ecapeVariable('$id');
@@ -9383,8 +9112,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9397,7 +9124,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placementStrategies';
 
@@ -9465,8 +9192,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -9493,7 +9218,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placementStrategies';
 
@@ -9534,8 +9259,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9552,7 +9275,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placementStrategies';
 
@@ -9589,8 +9312,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9603,7 +9324,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placementStrategies';
 
@@ -9654,8 +9375,6 @@
     core.List<core.String> tagFormats,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -9673,7 +9392,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placements/generatetags';
 
@@ -9709,8 +9428,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -9722,7 +9439,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placements/' +
         commons.Escaper.ecapeVariable('$id');
@@ -9758,8 +9475,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9772,7 +9487,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placements';
 
@@ -9906,8 +9621,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -9982,7 +9695,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placements';
 
@@ -10023,8 +9736,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10041,7 +9752,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placements';
 
@@ -10077,8 +9788,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10091,7 +9800,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/placements';
 
@@ -10133,8 +9842,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -10146,7 +9853,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/platformTypes/' +
         commons.Escaper.ecapeVariable('$id');
@@ -10180,8 +9887,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -10190,7 +9895,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/platformTypes';
 
@@ -10232,8 +9937,6 @@
     core.String code, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -10245,7 +9948,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/postalCodes/' +
         commons.Escaper.ecapeVariable('$code');
@@ -10279,8 +9982,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -10289,7 +9990,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/postalCodes';
 
@@ -10331,8 +10032,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -10344,7 +10043,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/projects/' +
         commons.Escaper.ecapeVariable('$id');
@@ -10413,8 +10112,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -10444,7 +10141,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/projects';
 
@@ -10483,8 +10180,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -10493,7 +10188,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/regions';
 
@@ -10536,8 +10231,6 @@
     core.String remarketingListId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -10549,7 +10242,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/remarketingListShares/' +
         commons.Escaper.ecapeVariable('$remarketingListId');
@@ -10591,8 +10284,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10609,7 +10300,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/remarketingListShares';
 
@@ -10646,8 +10337,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10660,7 +10349,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/remarketingListShares';
 
@@ -10703,8 +10392,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -10716,7 +10403,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/remarketingLists/' +
         commons.Escaper.ecapeVariable('$id');
@@ -10753,8 +10440,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10767,7 +10452,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/remarketingLists';
 
@@ -10841,8 +10526,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -10876,7 +10559,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/remarketingLists';
 
@@ -10917,8 +10600,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10935,7 +10616,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/remarketingLists';
 
@@ -10972,8 +10653,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -10986,7 +10665,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/remarketingLists';
 
@@ -11031,8 +10710,6 @@
     core.String reportId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -11044,7 +10721,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/reports/' +
         commons.Escaper.ecapeVariable('$reportId');
@@ -11080,8 +10757,6 @@
     core.String reportId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -11093,7 +10768,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/reports/' +
         commons.Escaper.ecapeVariable('$reportId');
@@ -11129,8 +10804,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11143,7 +10816,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/reports';
 
@@ -11202,8 +10875,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -11227,7 +10898,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/reports';
 
@@ -11268,8 +10939,6 @@
     core.String reportId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11285,7 +10954,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/reports/' +
         commons.Escaper.ecapeVariable('$reportId');
@@ -11325,8 +10994,6 @@
     core.bool synchronous,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -11341,7 +11008,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/reports/' +
         commons.Escaper.ecapeVariable('$reportId') +
@@ -11381,8 +11048,6 @@
     core.String reportId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11398,7 +11063,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/reports/' +
         commons.Escaper.ecapeVariable('$reportId');
@@ -11444,8 +11109,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11458,7 +11121,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/reports/compatiblefields/query';
 
@@ -11515,8 +11178,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -11531,7 +11192,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/reports/' +
         commons.Escaper.ecapeVariable('$reportId') +
@@ -11594,8 +11255,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -11619,7 +11278,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/reports/' +
         commons.Escaper.ecapeVariable('$reportId') +
@@ -11662,8 +11321,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -11675,7 +11332,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/sites/' +
         commons.Escaper.ecapeVariable('$id');
@@ -11711,8 +11368,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11725,7 +11380,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/sites';
 
@@ -11821,8 +11476,6 @@
     core.bool unmappedSite,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -11882,7 +11535,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/sites';
 
@@ -11923,8 +11576,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11941,7 +11592,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/sites';
 
@@ -11977,8 +11628,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -11991,7 +11640,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/sites';
 
@@ -12033,8 +11682,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -12046,7 +11693,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/sizes/' +
         commons.Escaper.ecapeVariable('$id');
@@ -12082,8 +11729,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -12096,7 +11741,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/sizes';
 
@@ -12147,8 +11792,6 @@
     core.int width,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -12169,7 +11812,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/sizes';
 
@@ -12211,8 +11854,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -12224,7 +11865,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/subaccounts/' +
         commons.Escaper.ecapeVariable('$id');
@@ -12261,8 +11902,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -12275,7 +11914,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/subaccounts';
 
@@ -12342,8 +11981,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -12370,7 +12007,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/subaccounts';
 
@@ -12411,8 +12048,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -12429,7 +12064,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/subaccounts';
 
@@ -12466,8 +12101,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -12480,7 +12113,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/subaccounts';
 
@@ -12524,8 +12157,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -12537,7 +12168,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/targetableRemarketingLists/' +
         commons.Escaper.ecapeVariable('$id');
@@ -12609,8 +12240,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -12641,7 +12270,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/targetableRemarketingLists';
 
@@ -12683,8 +12312,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -12696,7 +12323,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/targetingTemplates/' +
         commons.Escaper.ecapeVariable('$id');
@@ -12733,8 +12360,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -12747,7 +12372,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/targetingTemplates';
 
@@ -12817,8 +12442,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -12848,7 +12471,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/targetingTemplates';
 
@@ -12889,8 +12512,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -12907,7 +12528,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/targetingTemplates';
 
@@ -12944,8 +12565,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -12958,7 +12577,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/targetingTemplates';
 
@@ -12998,8 +12617,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -13008,7 +12625,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' + commons.Escaper.ecapeVariable('$profileId');
+    final _url = 'userprofiles/' + commons.Escaper.ecapeVariable('$profileId');
 
     final _response = await _requester.request(
       _url,
@@ -13036,14 +12653,12 @@
   async.Future<UserProfileList> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles';
+    const _url = 'userprofiles';
 
     final _response = await _requester.request(
       _url,
@@ -13084,8 +12699,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -13097,7 +12710,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/userRolePermissionGroups/' +
         commons.Escaper.ecapeVariable('$id');
@@ -13131,8 +12744,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -13141,7 +12752,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/userRolePermissionGroups';
 
@@ -13184,8 +12795,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -13197,7 +12806,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/userRolePermissions/' +
         commons.Escaper.ecapeVariable('$id');
@@ -13234,8 +12843,6 @@
     core.List<core.String> ids,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -13247,7 +12854,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/userRolePermissions';
 
@@ -13287,8 +12894,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -13300,7 +12905,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/userRoles/' +
         commons.Escaper.ecapeVariable('$id');
@@ -13336,8 +12941,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -13349,7 +12952,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/userRoles/' +
         commons.Escaper.ecapeVariable('$id');
@@ -13385,8 +12988,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -13399,7 +13000,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/userRoles';
 
@@ -13472,8 +13073,6 @@
     core.String subaccountId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -13506,7 +13105,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/userRoles';
 
@@ -13547,8 +13146,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -13565,7 +13162,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/userRoles';
 
@@ -13601,8 +13198,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -13615,7 +13210,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/userRoles';
 
@@ -13657,8 +13252,6 @@
     core.int id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -13670,7 +13263,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/videoFormats/' +
         commons.Escaper.ecapeVariable('$id');
@@ -13704,8 +13297,6 @@
     core.String profileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (profileId == null) {
       throw core.ArgumentError('Parameter profileId is required.');
     }
@@ -13714,7 +13305,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userprofiles/' +
+    final _url = 'userprofiles/' +
         commons.Escaper.ecapeVariable('$profileId') +
         '/videoFormats';
 

generated/googleapis/lib/dialogflow/v2.dart

diff --git a/generated/googleapis/lib/dialogflow/v2.dart b/generated/googleapis/lib/dialogflow/v2.dart
index 59561bd..312439f 100644
--- a/generated/googleapis/lib/dialogflow/v2.dart
+++ b/generated/googleapis/lib/dialogflow/v2.dart
@@ -107,8 +107,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -117,7 +115,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/agent';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/agent';
 
     final _response = await _requester.request(
       _url,
@@ -150,8 +149,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -160,7 +157,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/agent';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/agent';
 
     final _response = await _requester.request(
       _url,
@@ -198,8 +196,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -215,7 +211,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/agent';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/agent';
 
     final _response = await _requester.request(
       _url,
@@ -269,8 +266,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -283,7 +278,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/agent:export';
 
@@ -319,8 +314,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -329,7 +322,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -372,8 +365,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -385,7 +376,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/agent/validationResult';
 
@@ -433,8 +424,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -447,7 +436,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/agent:import';
 
@@ -495,8 +484,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -509,7 +496,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/agent:restore';
 
@@ -558,8 +545,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -574,7 +559,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/agent:search';
 
@@ -614,8 +599,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -628,7 +611,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/agent:train';
 
@@ -671,8 +654,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -688,7 +669,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -737,8 +718,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -751,7 +730,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entityTypes:batchDelete';
 
@@ -792,8 +771,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -806,7 +783,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entityTypes:batchUpdate';
 
@@ -851,8 +828,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -868,7 +843,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entityTypes';
 
@@ -904,8 +879,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -914,7 +887,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -953,8 +926,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -966,7 +937,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1013,8 +984,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1032,7 +1001,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entityTypes';
 
@@ -1080,8 +1049,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1100,7 +1067,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1146,8 +1113,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1160,7 +1125,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entities:batchCreate';
 
@@ -1201,8 +1166,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1215,7 +1178,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entities:batchDelete';
 
@@ -1257,8 +1220,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1271,7 +1232,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entities:batchUpdate';
 
@@ -1325,8 +1286,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1341,7 +1300,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/environments';
 
@@ -1402,8 +1361,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1412,7 +1369,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/contexts';
 
     final _response = await _requester.request(
@@ -1466,8 +1423,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1480,7 +1435,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$session') +
         ':detectIntent';
 
@@ -1533,8 +1488,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1547,7 +1500,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/contexts';
 
     final _response = await _requester.request(
@@ -1586,8 +1539,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1596,7 +1547,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1633,8 +1584,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1643,7 +1592,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1688,8 +1637,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1704,7 +1651,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/contexts';
 
     final _response = await _requester.request(
@@ -1753,8 +1700,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1770,7 +1715,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1824,8 +1769,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1838,7 +1781,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entityTypes';
 
@@ -1882,8 +1825,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1892,7 +1833,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1933,8 +1874,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1943,7 +1882,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1992,8 +1931,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2008,7 +1945,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entityTypes';
 
@@ -2059,8 +1996,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2076,7 +2011,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2122,8 +2057,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2136,7 +2069,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/intents:batchDelete';
 
@@ -2177,8 +2110,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2191,7 +2122,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/intents:batchUpdate';
 
@@ -2244,8 +2175,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2264,7 +2193,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/intents';
 
     final _response = await _requester.request(
@@ -2300,8 +2229,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2310,7 +2237,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2357,8 +2284,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2373,7 +2298,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2428,8 +2353,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2450,7 +2373,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/intents';
 
     final _response = await _requester.request(
@@ -2505,8 +2428,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2528,7 +2449,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2577,8 +2498,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2587,7 +2506,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/contexts';
 
     final _response = await _requester.request(
@@ -2640,8 +2559,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2654,7 +2571,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$session') +
         ':detectIntent';
 
@@ -2705,8 +2622,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2719,7 +2634,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/contexts';
 
     final _response = await _requester.request(
@@ -2758,8 +2673,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2768,7 +2681,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2805,8 +2718,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2815,7 +2726,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2859,8 +2770,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2875,7 +2784,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/contexts';
 
     final _response = await _requester.request(
@@ -2924,8 +2833,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2941,7 +2848,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2993,8 +2900,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3007,7 +2912,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entityTypes';
 
@@ -3051,8 +2956,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3061,7 +2964,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3102,8 +3005,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3112,7 +3013,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3160,8 +3061,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3176,7 +3075,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entityTypes';
 
@@ -3227,8 +3126,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3244,7 +3141,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3303,8 +3200,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3313,7 +3208,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -3349,8 +3245,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3359,7 +3253,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3409,8 +3303,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3428,7 +3320,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(
@@ -3476,8 +3368,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3486,7 +3376,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -3521,8 +3412,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3531,7 +3420,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3581,8 +3470,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3600,7 +3487,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(

generated/googleapis/lib/dialogflow/v3.dart

diff --git a/generated/googleapis/lib/dialogflow/v3.dart b/generated/googleapis/lib/dialogflow/v3.dart
index a5283dd..7c5b936 100644
--- a/generated/googleapis/lib/dialogflow/v3.dart
+++ b/generated/googleapis/lib/dialogflow/v3.dart
@@ -149,8 +149,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -163,7 +161,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/agents';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/agents';
 
     final _response = await _requester.request(
       _url,
@@ -198,8 +197,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -208,7 +205,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -245,8 +242,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -259,7 +254,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':export';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':export';
 
     final _response = await _requester.request(
       _url,
@@ -294,8 +290,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -304,7 +298,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -344,8 +338,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -357,7 +349,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -398,8 +390,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -414,7 +404,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/agents';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/agents';
 
     final _response = await _requester.request(
       _url,
@@ -456,8 +447,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -473,7 +462,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -514,8 +503,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -528,7 +515,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':restore';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':restore';
 
     final _response = await _requester.request(
       _url,
@@ -569,8 +557,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -583,7 +569,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':validate';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':validate';
 
     final _response = await _requester.request(
       _url,
@@ -637,8 +624,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -654,7 +639,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entityTypes';
 
@@ -700,8 +685,6 @@
     core.bool force,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -713,7 +696,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -756,8 +739,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -769,7 +750,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -820,8 +801,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -839,7 +818,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entityTypes';
 
@@ -891,8 +870,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -911,7 +888,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -961,8 +938,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -975,7 +950,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/environments';
 
@@ -1012,8 +987,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1022,7 +995,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1056,8 +1029,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1066,7 +1037,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1108,8 +1079,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1124,7 +1093,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/environments';
 
@@ -1170,8 +1139,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1186,7 +1153,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':lookupEnvironmentHistory';
 
@@ -1228,8 +1195,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1245,7 +1210,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1291,8 +1256,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1305,7 +1268,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/experiments';
 
@@ -1342,8 +1305,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1352,7 +1313,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1386,8 +1347,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1396,7 +1355,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1438,8 +1397,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1454,7 +1411,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/experiments';
 
@@ -1496,8 +1453,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1513,7 +1468,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1553,8 +1508,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1567,7 +1520,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':start';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':start';
 
     final _response = await _requester.request(
       _url,
@@ -1607,8 +1561,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1621,7 +1573,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':stop';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':stop';
 
     final _response = await _requester.request(
       _url,
@@ -1687,8 +1640,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1701,7 +1652,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$session') +
         ':detectIntent';
 
@@ -1751,8 +1702,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1765,7 +1714,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$session') +
         ':fulfillIntent';
 
@@ -1813,8 +1762,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1827,7 +1774,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$session') +
         ':matchIntent';
 
@@ -1880,8 +1827,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1894,7 +1839,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entityTypes';
 
@@ -1933,8 +1878,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1943,7 +1886,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1979,8 +1922,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1989,7 +1930,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2034,8 +1975,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2050,7 +1989,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entityTypes';
 
@@ -2094,8 +2033,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2111,7 +2048,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2173,8 +2110,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2190,7 +2125,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/flows';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/flows';
 
     final _response = await _requester.request(
       _url,
@@ -2233,8 +2169,6 @@
     core.bool force,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2246,7 +2180,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2290,8 +2224,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2303,7 +2235,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2343,8 +2275,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2356,7 +2286,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2407,8 +2337,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2426,7 +2354,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/flows';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/flows';
 
     final _response = await _requester.request(
       _url,
@@ -2476,8 +2405,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2496,7 +2423,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2536,8 +2463,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2550,7 +2475,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':train';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':train';
 
     final _response = await _requester.request(
       _url,
@@ -2591,8 +2517,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2605,7 +2529,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':validate';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':validate';
 
     final _response = await _requester.request(
       _url,
@@ -2662,8 +2587,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2679,7 +2602,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/pages';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/pages';
 
     final _response = await _requester.request(
       _url,
@@ -2722,8 +2646,6 @@
     core.bool force,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2735,7 +2657,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2781,8 +2703,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2794,7 +2714,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2848,8 +2768,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2867,7 +2785,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/pages';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/pages';
 
     final _response = await _requester.request(
       _url,
@@ -2921,8 +2840,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2941,7 +2858,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2995,8 +2912,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3012,7 +2927,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/transitionRouteGroups';
 
@@ -3057,8 +2972,6 @@
     core.bool force,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3070,7 +2983,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3112,8 +3025,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3125,7 +3036,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3176,8 +3087,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3195,7 +3104,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/transitionRouteGroups';
 
@@ -3247,8 +3156,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3267,7 +3174,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3312,8 +3219,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3326,7 +3231,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/versions';
 
     final _response = await _requester.request(
@@ -3362,8 +3267,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3372,7 +3275,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3406,8 +3309,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3416,7 +3317,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3458,8 +3359,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3474,7 +3373,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/versions';
 
     final _response = await _requester.request(
@@ -3512,8 +3411,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3526,7 +3423,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':load';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':load';
 
     final _response = await _requester.request(
       _url,
@@ -3568,8 +3466,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3585,7 +3481,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3638,8 +3534,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3655,7 +3549,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/intents';
 
     final _response = await _requester.request(
@@ -3691,8 +3585,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3701,7 +3593,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3743,8 +3635,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3756,7 +3646,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3814,8 +3704,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3836,7 +3724,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/intents';
 
     final _response = await _requester.request(
@@ -3887,8 +3775,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3907,7 +3793,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3970,8 +3856,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3984,7 +3868,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$session') +
         ':detectIntent';
 
@@ -4034,8 +3918,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4048,7 +3930,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$session') +
         ':fulfillIntent';
 
@@ -4096,8 +3978,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4110,7 +3990,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$session') +
         ':matchIntent';
 
@@ -4163,8 +4043,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4177,7 +4055,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entityTypes';
 
@@ -4216,8 +4094,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4226,7 +4102,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4262,8 +4138,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4272,7 +4146,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4317,8 +4191,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -4333,7 +4205,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/entityTypes';
 
@@ -4377,8 +4249,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4394,7 +4264,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4442,8 +4312,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4456,7 +4324,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/testCases:batchDelete';
 
@@ -4495,8 +4363,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4509,7 +4375,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/testCases:batchRun';
 
@@ -4554,8 +4420,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (agent == null) {
       throw core.ArgumentError('Parameter agent is required.');
     }
@@ -4567,7 +4431,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$agent') +
         '/testCases:calculateCoverage';
 
@@ -4606,8 +4470,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4620,7 +4482,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/testCases';
 
     final _response = await _requester.request(
@@ -4662,8 +4524,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4676,7 +4536,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/testCases:export';
 
@@ -4713,8 +4573,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4723,7 +4581,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4763,8 +4621,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4777,7 +4633,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/testCases:import';
 
@@ -4834,8 +4690,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -4853,7 +4707,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/testCases';
 
     final _response = await _requester.request(
@@ -4896,8 +4750,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4913,7 +4765,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4954,8 +4806,6 @@
     core.String agentsId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4974,7 +4824,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/projects/' +
+    final _url = 'v3/projects/' +
         commons.Escaper.ecapeVariable('$projectsId') +
         '/locations/' +
         commons.Escaper.ecapeVariable('$locationsId') +
@@ -5045,8 +4895,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -5064,7 +4912,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/results';
 
     final _response = await _requester.request(
@@ -5109,8 +4957,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5123,7 +4969,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/webhooks';
 
     final _response = await _requester.request(
@@ -5167,8 +5013,6 @@
     core.bool force,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5180,7 +5024,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5214,8 +5058,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5224,7 +5066,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5266,8 +5108,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -5282,7 +5122,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/webhooks';
 
     final _response = await _requester.request(
@@ -5325,8 +5165,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5342,7 +5180,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5392,8 +5230,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5402,7 +5238,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -5438,8 +5275,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5448,7 +5283,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5498,8 +5333,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5517,7 +5350,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(
@@ -5561,8 +5394,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5575,7 +5406,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/securitySettings';
 
@@ -5612,8 +5443,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5622,7 +5451,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5658,8 +5487,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5668,7 +5495,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5709,8 +5536,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -5725,7 +5550,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/securitySettings';
 
@@ -5768,8 +5593,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5785,7 +5608,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5833,8 +5656,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5843,7 +5664,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -5878,8 +5700,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5888,7 +5708,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5938,8 +5758,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5957,7 +5775,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(

generated/googleapis/lib/digitalassetlinks/v1.dart

diff --git a/generated/googleapis/lib/digitalassetlinks/v1.dart b/generated/googleapis/lib/digitalassetlinks/v1.dart
index ce30acf..61c6c04 100644
--- a/generated/googleapis/lib/digitalassetlinks/v1.dart
+++ b/generated/googleapis/lib/digitalassetlinks/v1.dart
@@ -183,8 +183,6 @@
     core.String target_web_site,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (relation != null) {
       _queryParams['relation'] = [relation];
@@ -219,7 +217,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/assetlinks:check';
+    const _url = 'v1/assetlinks:check';
 
     final _response = await _requester.request(
       _url,
@@ -316,8 +314,6 @@
     core.String source_web_site,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (relation != null) {
       _queryParams['relation'] = [relation];
@@ -339,7 +335,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/statements:list';
+    const _url = 'v1/statements:list';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/discovery/v1.dart

diff --git a/generated/googleapis/lib/discovery/v1.dart b/generated/googleapis/lib/discovery/v1.dart
index 36cf36a..97d765b 100644
--- a/generated/googleapis/lib/discovery/v1.dart
+++ b/generated/googleapis/lib/discovery/v1.dart
@@ -79,8 +79,6 @@
     core.String version, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (api == null) {
       throw core.ArgumentError('Parameter api is required.');
     }
@@ -92,7 +90,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/' +
+    final _url = 'apis/' +
         commons.Escaper.ecapeVariable('$api') +
         '/' +
         commons.Escaper.ecapeVariable('$version') +
@@ -130,8 +128,6 @@
     core.bool preferred,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (name != null) {
       _queryParams['name'] = [name];
@@ -143,7 +139,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis';
+    const _url = 'apis';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/displayvideo/v1.dart

diff --git a/generated/googleapis/lib/displayvideo/v1.dart b/generated/googleapis/lib/displayvideo/v1.dart
index 1d45629..99ea1fc 100644
--- a/generated/googleapis/lib/displayvideo/v1.dart
+++ b/generated/googleapis/lib/displayvideo/v1.dart
@@ -193,8 +193,6 @@
     core.String readMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -206,7 +204,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         ':audit';
 
@@ -249,8 +247,6 @@
     core.String advertiserId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -263,7 +259,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         ':bulkEditAdvertiserAssignedTargetingOptions';
 
@@ -327,8 +323,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -349,7 +343,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         ':bulkListAdvertiserAssignedTargetingOptions';
 
@@ -385,8 +379,6 @@
     Advertiser request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -396,7 +388,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers';
+    const _url = 'v1/advertisers';
 
     final _response = await _requester.request(
       _url,
@@ -433,8 +425,6 @@
     core.String advertiserId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -443,7 +433,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId');
 
     final _response = await _requester.request(
@@ -475,8 +465,6 @@
     core.String advertiserId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -485,7 +473,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId');
 
     final _response = await _requester.request(
@@ -556,8 +544,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filter != null) {
       _queryParams['filter'] = [filter];
@@ -578,7 +564,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers';
+    const _url = 'v1/advertisers';
 
     final _response = await _requester.request(
       _url,
@@ -619,8 +605,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -636,7 +620,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId');
 
     final _response = await _requester.request(
@@ -686,8 +670,6 @@
     core.String $fields,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -700,6 +682,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'v1/advertisers/' +
           commons.Escaper.ecapeVariableReserved('$advertiserId') +
@@ -756,8 +739,6 @@
     core.String advertiserId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -770,7 +751,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/campaigns';
 
@@ -812,8 +793,6 @@
     core.String campaignId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -825,7 +804,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/campaigns/' +
         commons.Escaper.ecapeVariableReserved('$campaignId');
@@ -864,8 +843,6 @@
     core.String campaignId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -877,7 +854,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/campaigns/' +
         commons.Escaper.ecapeVariableReserved('$campaignId');
@@ -951,8 +928,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -973,7 +948,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/campaigns';
 
@@ -1021,8 +996,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1041,7 +1014,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/campaigns/' +
         commons.Escaper.ecapeVariableReserved('$campaignId');
@@ -1094,8 +1067,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1111,7 +1082,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/channels';
 
@@ -1152,8 +1123,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -1168,7 +1137,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/channels/' +
         commons.Escaper.ecapeVariableReserved('$channelId');
@@ -1231,8 +1200,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -1256,7 +1223,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/channels';
 
@@ -1305,8 +1272,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1328,7 +1293,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/channels/' +
         commons.Escaper.ecapeVariable('$channelId');
@@ -1381,8 +1346,6 @@
     core.String channelId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1398,7 +1361,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariable('$advertiserId') +
         '/channels/' +
         commons.Escaper.ecapeVariableReserved('$channelId') +
@@ -1445,8 +1408,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1465,7 +1426,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariable('$advertiserId') +
         '/channels/' +
         commons.Escaper.ecapeVariableReserved('$channelId') +
@@ -1512,8 +1473,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -1531,7 +1490,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariable('$advertiserId') +
         '/channels/' +
         commons.Escaper.ecapeVariableReserved('$channelId') +
@@ -1600,8 +1559,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -1628,7 +1585,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/channels/' +
         commons.Escaper.ecapeVariableReserved('$channelId') +
@@ -1677,8 +1634,6 @@
     core.String advertiserId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1691,7 +1646,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/creatives';
 
@@ -1733,8 +1688,6 @@
     core.String creativeId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -1746,7 +1699,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/creatives/' +
         commons.Escaper.ecapeVariableReserved('$creativeId');
@@ -1785,8 +1738,6 @@
     core.String creativeId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -1798,7 +1749,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/creatives/' +
         commons.Escaper.ecapeVariableReserved('$creativeId');
@@ -1886,8 +1837,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -1908,7 +1857,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/creatives';
 
@@ -1956,8 +1905,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1976,7 +1923,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/creatives/' +
         commons.Escaper.ecapeVariableReserved('$creativeId');
@@ -2024,8 +1971,6 @@
     core.String advertiserId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2038,7 +1983,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/insertionOrders';
 
@@ -2081,8 +2026,6 @@
     core.String insertionOrderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -2094,7 +2037,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/insertionOrders/' +
         commons.Escaper.ecapeVariableReserved('$insertionOrderId');
@@ -2135,8 +2078,6 @@
     core.String insertionOrderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -2148,7 +2089,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/insertionOrders/' +
         commons.Escaper.ecapeVariableReserved('$insertionOrderId');
@@ -2232,8 +2173,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -2254,7 +2193,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/insertionOrders';
 
@@ -2302,8 +2241,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2322,7 +2259,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/insertionOrders/' +
         commons.Escaper.ecapeVariableReserved('$insertionOrderId');
@@ -2383,8 +2320,6 @@
     core.String lineItemId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2400,7 +2335,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/lineItems/' +
         commons.Escaper.ecapeVariableReserved('$lineItemId') +
@@ -2476,8 +2411,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -2501,7 +2434,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/lineItems/' +
         commons.Escaper.ecapeVariableReserved('$lineItemId') +
@@ -2543,8 +2476,6 @@
     core.String advertiserId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2557,7 +2488,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/lineItems';
 
@@ -2599,8 +2530,6 @@
     core.String lineItemId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -2612,7 +2541,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/lineItems/' +
         commons.Escaper.ecapeVariableReserved('$lineItemId');
@@ -2651,8 +2580,6 @@
     core.String lineItemId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -2664,7 +2591,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/lineItems/' +
         commons.Escaper.ecapeVariableReserved('$lineItemId');
@@ -2753,8 +2680,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -2775,7 +2700,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/lineItems';
 
@@ -2823,8 +2748,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2843,7 +2766,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/lineItems/' +
         commons.Escaper.ecapeVariableReserved('$lineItemId');
@@ -2993,8 +2916,6 @@
     core.String targetingType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3013,7 +2934,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/lineItems/' +
         commons.Escaper.ecapeVariableReserved('$lineItemId') +
@@ -3147,8 +3068,6 @@
     core.String assignedTargetingOptionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -3167,7 +3086,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/lineItems/' +
         commons.Escaper.ecapeVariableReserved('$lineItemId') +
@@ -3301,8 +3220,6 @@
     core.String assignedTargetingOptionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -3321,7 +3238,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/lineItems/' +
         commons.Escaper.ecapeVariableReserved('$lineItemId') +
@@ -3480,8 +3397,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -3508,7 +3423,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/lineItems/' +
         commons.Escaper.ecapeVariableReserved('$lineItemId') +
@@ -3562,8 +3477,6 @@
     core.String advertiserId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3576,7 +3489,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/locationLists';
 
@@ -3616,8 +3529,6 @@
     core.String locationListId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -3629,7 +3540,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/locationLists/' +
         commons.Escaper.ecapeVariableReserved('$locationListId');
@@ -3692,8 +3603,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -3714,7 +3623,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/locationLists';
 
@@ -3761,8 +3670,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3781,7 +3688,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/locationLists/' +
         commons.Escaper.ecapeVariable('$locationListId');
@@ -3838,8 +3745,6 @@
     core.String locationListId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3855,7 +3760,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariable('$advertiserId') +
         '/locationLists/' +
         commons.Escaper.ecapeVariableReserved('$locationListId') +
@@ -3899,8 +3804,6 @@
     core.String locationListId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3916,7 +3819,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariable('$advertiserId') +
         '/locationLists/' +
         commons.Escaper.ecapeVariable('$locationListId') +
@@ -3962,8 +3865,6 @@
     core.String assignedLocationId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -3978,7 +3879,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariable('$advertiserId') +
         '/locationLists/' +
         commons.Escaper.ecapeVariable('$locationListId') +
@@ -4043,8 +3944,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -4068,7 +3967,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariable('$advertiserId') +
         '/locationLists/' +
         commons.Escaper.ecapeVariable('$locationListId') +
@@ -4122,8 +4021,6 @@
     core.String triggerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4139,7 +4036,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/manualTriggers/' +
         commons.Escaper.ecapeVariableReserved('$triggerId') +
@@ -4182,8 +4079,6 @@
     core.String advertiserId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4196,7 +4091,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/manualTriggers';
 
@@ -4239,8 +4134,6 @@
     core.String triggerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4256,7 +4149,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/manualTriggers/' +
         commons.Escaper.ecapeVariableReserved('$triggerId') +
@@ -4298,8 +4191,6 @@
     core.String triggerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -4311,7 +4202,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/manualTriggers/' +
         commons.Escaper.ecapeVariableReserved('$triggerId');
@@ -4377,8 +4268,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -4399,7 +4288,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/manualTriggers';
 
@@ -4446,8 +4335,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4466,7 +4353,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/manualTriggers/' +
         commons.Escaper.ecapeVariableReserved('$triggerId');
@@ -4519,8 +4406,6 @@
     core.String advertiserId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4533,7 +4418,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/negativeKeywordLists';
 
@@ -4575,8 +4460,6 @@
     core.String negativeKeywordListId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -4588,7 +4471,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/negativeKeywordLists/' +
         commons.Escaper.ecapeVariableReserved('$negativeKeywordListId');
@@ -4629,8 +4512,6 @@
     core.String negativeKeywordListId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -4642,7 +4523,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/negativeKeywordLists/' +
         commons.Escaper.ecapeVariableReserved('$negativeKeywordListId');
@@ -4689,8 +4570,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -4705,7 +4584,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/negativeKeywordLists';
 
@@ -4752,8 +4631,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4772,7 +4649,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/negativeKeywordLists/' +
         commons.Escaper.ecapeVariable('$negativeKeywordListId');
@@ -4831,8 +4708,6 @@
     core.String negativeKeywordListId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4848,7 +4723,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariable('$advertiserId') +
         '/negativeKeywordLists/' +
         commons.Escaper.ecapeVariableReserved('$negativeKeywordListId') +
@@ -4893,8 +4768,6 @@
     core.String negativeKeywordListId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4910,7 +4783,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariable('$advertiserId') +
         '/negativeKeywordLists/' +
         commons.Escaper.ecapeVariableReserved('$negativeKeywordListId') +
@@ -4957,8 +4830,6 @@
     core.String keywordValue, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -4973,7 +4844,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariable('$advertiserId') +
         '/negativeKeywordLists/' +
         commons.Escaper.ecapeVariableReserved('$negativeKeywordListId') +
@@ -5040,8 +4911,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -5065,7 +4934,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/negativeKeywordLists/' +
         commons.Escaper.ecapeVariableReserved('$negativeKeywordListId') +
@@ -5211,8 +5080,6 @@
     core.String targetingType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5228,7 +5095,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/targetingTypes/' +
         commons.Escaper.ecapeVariableReserved('$targetingType') +
@@ -5356,8 +5223,6 @@
     core.String assignedTargetingOptionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -5373,7 +5238,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/targetingTypes/' +
         commons.Escaper.ecapeVariableReserved('$targetingType') +
@@ -5501,8 +5366,6 @@
     core.String assignedTargetingOptionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -5518,7 +5381,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/targetingTypes/' +
         commons.Escaper.ecapeVariableReserved('$targetingType') +
@@ -5668,8 +5531,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (advertiserId == null) {
       throw core.ArgumentError('Parameter advertiserId is required.');
     }
@@ -5693,7 +5554,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/advertisers/' +
+    final _url = 'v1/advertisers/' +
         commons.Escaper.ecapeVariableReserved('$advertiserId') +
         '/targetingTypes/' +
         commons.Escaper.ecapeVariableReserved('$targetingType') +
@@ -5743,8 +5604,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (combinedAudienceId == null) {
       throw core.ArgumentError('Parameter combinedAudienceId is required.');
     }
@@ -5759,7 +5618,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/combinedAudiences/' +
+    final _url = 'v1/combinedAudiences/' +
         commons.Escaper.ecapeVariableReserved('$combinedAudienceId');
 
     final _response = await _requester.request(
@@ -5824,8 +5683,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (advertiserId != null) {
       _queryParams['advertiserId'] = [advertiserId];
@@ -5849,7 +5706,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/combinedAudiences';
+    const _url = 'v1/combinedAudiences';
 
     final _response = await _requester.request(
       _url,
@@ -5897,8 +5754,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customBiddingAlgorithmId == null) {
       throw core.ArgumentError(
           'Parameter customBiddingAlgorithmId is required.');
@@ -5914,7 +5769,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/customBiddingAlgorithms/' +
+    final _url = 'v1/customBiddingAlgorithms/' +
         commons.Escaper.ecapeVariableReserved('$customBiddingAlgorithmId');
 
     final _response = await _requester.request(
@@ -5989,8 +5844,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (advertiserId != null) {
       _queryParams['advertiserId'] = [advertiserId];
@@ -6014,7 +5867,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/customBiddingAlgorithms';
+    const _url = 'v1/customBiddingAlgorithms';
 
     final _response = await _requester.request(
       _url,
@@ -6056,8 +5909,6 @@
     core.String advertiserId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customListId == null) {
       throw core.ArgumentError('Parameter customListId is required.');
     }
@@ -6069,7 +5920,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/customLists/' +
+    final _url = 'v1/customLists/' +
         commons.Escaper.ecapeVariableReserved('$customListId');
 
     final _response = await _requester.request(
@@ -6130,8 +5981,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (advertiserId != null) {
       _queryParams['advertiserId'] = [advertiserId];
@@ -6152,7 +6001,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/customLists';
+    const _url = 'v1/customLists';
 
     final _response = await _requester.request(
       _url,
@@ -6200,8 +6049,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (firstAndThirdPartyAudienceId == null) {
       throw core.ArgumentError(
           'Parameter firstAndThirdPartyAudienceId is required.');
@@ -6217,7 +6064,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/firstAndThirdPartyAudiences/' +
+    final _url = 'v1/firstAndThirdPartyAudiences/' +
         commons.Escaper.ecapeVariableReserved('$firstAndThirdPartyAudienceId');
 
     final _response = await _requester.request(
@@ -6284,8 +6131,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (advertiserId != null) {
       _queryParams['advertiserId'] = [advertiserId];
@@ -6309,7 +6154,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/firstAndThirdPartyAudiences';
+    const _url = 'v1/firstAndThirdPartyAudiences';
 
     final _response = await _requester.request(
       _url,
@@ -6351,8 +6196,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (floodlightGroupId == null) {
       throw core.ArgumentError('Parameter floodlightGroupId is required.');
     }
@@ -6364,7 +6207,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/floodlightGroups/' +
+    final _url = 'v1/floodlightGroups/' +
         commons.Escaper.ecapeVariableReserved('$floodlightGroupId');
 
     final _response = await _requester.request(
@@ -6409,8 +6252,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6429,7 +6270,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/floodlightGroups/' +
+    final _url = 'v1/floodlightGroups/' +
         commons.Escaper.ecapeVariable('$floodlightGroupId');
 
     final _response = await _requester.request(
@@ -6477,8 +6318,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (googleAudienceId == null) {
       throw core.ArgumentError('Parameter googleAudienceId is required.');
     }
@@ -6493,7 +6332,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/googleAudiences/' +
+    final _url = 'v1/googleAudiences/' +
         commons.Escaper.ecapeVariableReserved('$googleAudienceId');
 
     final _response = await _requester.request(
@@ -6558,8 +6397,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (advertiserId != null) {
       _queryParams['advertiserId'] = [advertiserId];
@@ -6583,7 +6420,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/googleAudiences';
+    const _url = 'v1/googleAudiences';
 
     final _response = await _requester.request(
       _url,
@@ -6637,8 +6474,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6654,7 +6489,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/inventorySourceGroups';
+    const _url = 'v1/inventorySourceGroups';
 
     final _response = await _requester.request(
       _url,
@@ -6696,8 +6531,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (inventorySourceGroupId == null) {
       throw core.ArgumentError('Parameter inventorySourceGroupId is required.');
     }
@@ -6712,7 +6545,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/inventorySourceGroups/' +
+    final _url = 'v1/inventorySourceGroups/' +
         commons.Escaper.ecapeVariableReserved('$inventorySourceGroupId');
 
     final _response = await _requester.request(
@@ -6755,8 +6588,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (inventorySourceGroupId == null) {
       throw core.ArgumentError('Parameter inventorySourceGroupId is required.');
     }
@@ -6771,7 +6602,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/inventorySourceGroups/' +
+    final _url = 'v1/inventorySourceGroups/' +
         commons.Escaper.ecapeVariableReserved('$inventorySourceGroupId');
 
     final _response = await _requester.request(
@@ -6837,8 +6668,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (advertiserId != null) {
       _queryParams['advertiserId'] = [advertiserId];
@@ -6862,7 +6691,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/inventorySourceGroups';
+    const _url = 'v1/inventorySourceGroups';
 
     final _response = await _requester.request(
       _url,
@@ -6910,8 +6739,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6933,7 +6760,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/inventorySourceGroups/' +
+    final _url = 'v1/inventorySourceGroups/' +
         commons.Escaper.ecapeVariable('$inventorySourceGroupId');
 
     final _response = await _requester.request(
@@ -6985,8 +6812,6 @@
     core.String inventorySourceGroupId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6999,7 +6824,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/inventorySourceGroups/' +
+    final _url = 'v1/inventorySourceGroups/' +
         commons.Escaper.ecapeVariableReserved('$inventorySourceGroupId') +
         '/assignedInventorySources:bulkEdit';
 
@@ -7049,8 +6874,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7069,7 +6892,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/inventorySourceGroups/' +
+    final _url = 'v1/inventorySourceGroups/' +
         commons.Escaper.ecapeVariableReserved('$inventorySourceGroupId') +
         '/assignedInventorySources';
 
@@ -7121,8 +6944,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (inventorySourceGroupId == null) {
       throw core.ArgumentError('Parameter inventorySourceGroupId is required.');
     }
@@ -7141,7 +6962,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/inventorySourceGroups/' +
+    final _url = 'v1/inventorySourceGroups/' +
         commons.Escaper.ecapeVariableReserved('$inventorySourceGroupId') +
         '/assignedInventorySources/' +
         commons.Escaper.ecapeVariableReserved('$assignedInventorySourceId');
@@ -7213,8 +7034,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (inventorySourceGroupId == null) {
       throw core.ArgumentError('Parameter inventorySourceGroupId is required.');
     }
@@ -7241,7 +7060,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/inventorySourceGroups/' +
+    final _url = 'v1/inventorySourceGroups/' +
         commons.Escaper.ecapeVariableReserved('$inventorySourceGroupId') +
         '/assignedInventorySources';
 
@@ -7285,8 +7104,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (inventorySourceId == null) {
       throw core.ArgumentError('Parameter inventorySourceId is required.');
     }
@@ -7298,7 +7115,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/inventorySources/' +
+    final _url = 'v1/inventorySources/' +
         commons.Escaper.ecapeVariableReserved('$inventorySourceId');
 
     final _response = await _requester.request(
@@ -7368,8 +7185,6 @@
     core.String partnerId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (advertiserId != null) {
       _queryParams['advertiserId'] = [advertiserId];
@@ -7393,7 +7208,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/inventorySources';
+    const _url = 'v1/inventorySources';
 
     final _response = await _requester.request(
       _url,
@@ -7445,8 +7260,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     if (resourceName == null) {
       throw core.ArgumentError('Parameter resourceName is required.');
     }
@@ -7455,7 +7268,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'download/' + commons.Escaper.ecapeVariableReserved('$resourceName');
+    final _url =
+        'download/' + commons.Escaper.ecapeVariableReserved('$resourceName');
 
     final _response = await _requester.request(
       _url,
@@ -7512,8 +7326,6 @@
     core.String partnerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7526,7 +7338,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         ':bulkEditPartnerAssignedTargetingOptions';
 
@@ -7561,8 +7373,6 @@
     core.String partnerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (partnerId == null) {
       throw core.ArgumentError('Parameter partnerId is required.');
     }
@@ -7571,7 +7381,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' + commons.Escaper.ecapeVariableReserved('$partnerId');
+    final _url =
+        'v1/partners/' + commons.Escaper.ecapeVariableReserved('$partnerId');
 
     final _response = await _requester.request(
       _url,
@@ -7626,8 +7437,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filter != null) {
       _queryParams['filter'] = [filter];
@@ -7645,7 +7454,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners';
+    const _url = 'v1/partners';
 
     final _response = await _requester.request(
       _url,
@@ -7694,8 +7503,6 @@
     core.String advertiserId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7711,7 +7518,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/channels';
 
@@ -7752,8 +7559,6 @@
     core.String advertiserId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (partnerId == null) {
       throw core.ArgumentError('Parameter partnerId is required.');
     }
@@ -7768,7 +7573,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/channels/' +
         commons.Escaper.ecapeVariableReserved('$channelId');
@@ -7831,8 +7636,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (partnerId == null) {
       throw core.ArgumentError('Parameter partnerId is required.');
     }
@@ -7856,7 +7659,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/channels';
 
@@ -7905,8 +7708,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7928,7 +7729,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/channels/' +
         commons.Escaper.ecapeVariable('$channelId');
@@ -7981,8 +7782,6 @@
     core.String channelId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7998,7 +7797,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariable('$partnerId') +
         '/channels/' +
         commons.Escaper.ecapeVariableReserved('$channelId') +
@@ -8045,8 +7844,6 @@
     core.String advertiserId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8065,7 +7862,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariable('$partnerId') +
         '/channels/' +
         commons.Escaper.ecapeVariableReserved('$channelId') +
@@ -8112,8 +7909,6 @@
     core.String advertiserId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (partnerId == null) {
       throw core.ArgumentError('Parameter partnerId is required.');
     }
@@ -8131,7 +7926,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariable('$partnerId') +
         '/channels/' +
         commons.Escaper.ecapeVariableReserved('$channelId') +
@@ -8200,8 +7995,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (partnerId == null) {
       throw core.ArgumentError('Parameter partnerId is required.');
     }
@@ -8228,7 +8021,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/channels/' +
         commons.Escaper.ecapeVariableReserved('$channelId') +
@@ -8372,8 +8165,6 @@
     core.String targetingType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8389,7 +8180,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/targetingTypes/' +
         commons.Escaper.ecapeVariableReserved('$targetingType') +
@@ -8515,8 +8306,6 @@
     core.String assignedTargetingOptionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (partnerId == null) {
       throw core.ArgumentError('Parameter partnerId is required.');
     }
@@ -8532,7 +8321,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/targetingTypes/' +
         commons.Escaper.ecapeVariableReserved('$targetingType') +
@@ -8658,8 +8447,6 @@
     core.String assignedTargetingOptionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (partnerId == null) {
       throw core.ArgumentError('Parameter partnerId is required.');
     }
@@ -8675,7 +8462,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/targetingTypes/' +
         commons.Escaper.ecapeVariableReserved('$targetingType') +
@@ -8823,8 +8610,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (partnerId == null) {
       throw core.ArgumentError('Parameter partnerId is required.');
     }
@@ -8848,7 +8633,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/partners/' +
+    final _url = 'v1/partners/' +
         commons.Escaper.ecapeVariableReserved('$partnerId') +
         '/targetingTypes/' +
         commons.Escaper.ecapeVariableReserved('$targetingType') +
@@ -8900,8 +8685,6 @@
     CreateSdfDownloadTaskRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8911,7 +8694,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/sdfdownloadtasks';
+    const _url = 'v1/sdfdownloadtasks';
 
     final _response = await _requester.request(
       _url,
@@ -8952,8 +8735,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -8962,7 +8743,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -9097,8 +8878,6 @@
     core.String advertiserId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (targetingType == null) {
       throw core.ArgumentError('Parameter targetingType is required.');
     }
@@ -9113,7 +8892,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/targetingTypes/' +
+    final _url = 'v1/targetingTypes/' +
         commons.Escaper.ecapeVariableReserved('$targetingType') +
         '/targetingOptions/' +
         commons.Escaper.ecapeVariableReserved('$targetingOptionId');
@@ -9264,8 +9043,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (targetingType == null) {
       throw core.ArgumentError('Parameter targetingType is required.');
     }
@@ -9289,7 +9066,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/targetingTypes/' +
+    final _url = 'v1/targetingTypes/' +
         commons.Escaper.ecapeVariableReserved('$targetingType') +
         '/targetingOptions';
 
@@ -9407,8 +9184,6 @@
     core.String targetingType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9421,7 +9196,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/targetingTypes/' +
+    final _url = 'v1/targetingTypes/' +
         commons.Escaper.ecapeVariableReserved('$targetingType') +
         '/targetingOptions:search';
 
@@ -9471,8 +9246,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9485,7 +9258,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/users/' +
+    final _url = 'v1/users/' +
         commons.Escaper.ecapeVariableReserved('$userId') +
         ':bulkEditAssignedUserRoles';
 
@@ -9521,8 +9294,6 @@
     User request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9532,7 +9303,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/users';
+    const _url = 'v1/users';
 
     final _response = await _requester.request(
       _url,
@@ -9564,8 +9335,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -9574,7 +9343,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/users/' + commons.Escaper.ecapeVariableReserved('$userId');
+    final _url = 'v1/users/' + commons.Escaper.ecapeVariableReserved('$userId');
 
     final _response = await _requester.request(
       _url,
@@ -9605,8 +9374,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -9615,7 +9382,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/users/' + commons.Escaper.ecapeVariableReserved('$userId');
+    final _url = 'v1/users/' + commons.Escaper.ecapeVariableReserved('$userId');
 
     final _response = await _requester.request(
       _url,
@@ -9686,8 +9453,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filter != null) {
       _queryParams['filter'] = [filter];
@@ -9705,7 +9470,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/users';
+    const _url = 'v1/users';
 
     final _response = await _requester.request(
       _url,
@@ -9745,8 +9510,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -9762,7 +9525,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/users/' + commons.Escaper.ecapeVariableReserved('$userId');
+    final _url = 'v1/users/' + commons.Escaper.ecapeVariableReserved('$userId');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/dlp/v2.dart

diff --git a/generated/googleapis/lib/dlp/v2.dart b/generated/googleapis/lib/dlp/v2.dart
index 6801265..01a3043 100644
--- a/generated/googleapis/lib/dlp/v2.dart
+++ b/generated/googleapis/lib/dlp/v2.dart
@@ -130,8 +130,6 @@
     core.String parent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filter != null) {
       _queryParams['filter'] = [filter];
@@ -149,7 +147,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/infoTypes';
+    const _url = 'v2/infoTypes';
 
     final _response = await _requester.request(
       _url,
@@ -212,8 +210,6 @@
     core.String locationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -231,7 +227,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/infoTypes';
 
     final _response = await _requester.request(
@@ -306,8 +302,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -320,7 +314,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deidentifyTemplates';
 
@@ -362,8 +356,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -372,7 +364,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -411,8 +403,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -421,7 +411,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -489,8 +479,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -511,7 +499,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deidentifyTemplates';
 
@@ -555,8 +543,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -569,7 +555,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -628,8 +614,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -642,7 +626,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/inspectTemplates';
 
@@ -683,8 +667,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -693,7 +675,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -731,8 +713,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -741,7 +721,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -808,8 +788,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -830,7 +808,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/inspectTemplates';
 
@@ -872,8 +850,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -886,7 +862,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -964,8 +940,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -978,7 +952,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deidentifyTemplates';
 
@@ -1020,8 +994,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1030,7 +1002,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1069,8 +1041,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1079,7 +1049,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1147,8 +1117,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1169,7 +1137,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deidentifyTemplates';
 
@@ -1213,8 +1181,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1227,7 +1193,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1324,8 +1290,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1352,7 +1316,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/dlpJobs';
 
     final _response = await _requester.request(
@@ -1411,8 +1375,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1425,7 +1387,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/inspectTemplates';
 
@@ -1466,8 +1428,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1476,7 +1436,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1514,8 +1474,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1524,7 +1482,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1591,8 +1549,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1613,7 +1569,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/inspectTemplates';
 
@@ -1655,8 +1611,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1669,7 +1623,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1724,8 +1678,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1738,7 +1690,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/jobTriggers';
 
@@ -1777,8 +1729,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1787,7 +1737,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1823,8 +1773,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1833,7 +1781,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1915,8 +1863,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1940,7 +1886,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/jobTriggers';
 
@@ -1981,8 +1927,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1995,7 +1939,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2054,8 +1998,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2068,7 +2010,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/storedInfoTypes';
 
@@ -2110,8 +2052,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2120,7 +2060,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2158,8 +2098,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2168,7 +2106,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2237,8 +2175,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2259,7 +2195,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/storedInfoTypes';
 
@@ -2303,8 +2239,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2317,7 +2251,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2376,8 +2310,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2390,7 +2322,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/storedInfoTypes';
 
@@ -2431,8 +2363,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2441,7 +2371,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2478,8 +2408,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2488,7 +2416,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2557,8 +2485,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2579,7 +2505,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/storedInfoTypes';
 
@@ -2622,8 +2548,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2636,7 +2560,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2713,8 +2637,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2727,7 +2649,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/content:deidentify';
 
@@ -2781,8 +2703,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2795,7 +2715,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/content:inspect';
 
@@ -2846,8 +2766,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2860,7 +2778,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/content:reidentify';
 
@@ -2922,8 +2840,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2936,7 +2852,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deidentifyTemplates';
 
@@ -2977,8 +2893,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2987,7 +2901,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3025,8 +2939,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3035,7 +2947,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3103,8 +3015,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3125,7 +3035,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deidentifyTemplates';
 
@@ -3168,8 +3078,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3182,7 +3090,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3228,8 +3136,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3242,7 +3148,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -3293,8 +3200,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3307,7 +3212,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/dlpJobs';
 
     final _response = await _requester.request(
@@ -3346,8 +3251,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3356,7 +3259,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3391,8 +3294,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3401,7 +3302,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3490,8 +3391,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3518,7 +3417,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/dlpJobs';
 
     final _response = await _requester.request(
@@ -3576,8 +3475,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3590,7 +3487,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/image:redact';
 
@@ -3651,8 +3548,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3665,7 +3560,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/inspectTemplates';
 
@@ -3705,8 +3600,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3715,7 +3608,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3752,8 +3645,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3762,7 +3653,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3829,8 +3720,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3851,7 +3740,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/inspectTemplates';
 
@@ -3892,8 +3781,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3906,7 +3793,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3953,8 +3840,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3967,7 +3852,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':activate';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':activate';
 
     final _response = await _requester.request(
       _url,
@@ -4015,8 +3901,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4029,7 +3913,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/jobTriggers';
 
@@ -4067,8 +3951,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4077,7 +3959,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4112,8 +3994,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4122,7 +4002,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4204,8 +4084,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -4229,7 +4107,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/jobTriggers';
 
@@ -4269,8 +4147,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4283,7 +4159,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4362,8 +4238,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4376,7 +4250,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/content:deidentify';
 
@@ -4430,8 +4304,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4444,7 +4316,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/content:inspect';
 
@@ -4495,8 +4367,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4509,7 +4379,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/content:reidentify';
 
@@ -4571,8 +4441,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4585,7 +4453,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deidentifyTemplates';
 
@@ -4627,8 +4495,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4637,7 +4503,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4676,8 +4542,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4686,7 +4550,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4754,8 +4618,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -4776,7 +4638,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/deidentifyTemplates';
 
@@ -4820,8 +4682,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4834,7 +4694,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4882,8 +4742,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4896,7 +4754,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -4947,8 +4806,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4961,7 +4818,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/dlpJobs';
 
     final _response = await _requester.request(
@@ -5001,8 +4858,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5011,7 +4866,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5050,8 +4905,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5064,7 +4917,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':finish';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':finish';
 
     final _response = await _requester.request(
       _url,
@@ -5101,8 +4955,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5111,7 +4963,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5151,8 +5003,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5165,7 +5015,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':hybridInspect';
 
@@ -5257,8 +5107,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -5285,7 +5133,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/dlpJobs';
 
     final _response = await _requester.request(
@@ -5344,8 +5192,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5358,7 +5204,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/image:redact';
 
@@ -5419,8 +5265,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5433,7 +5277,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/inspectTemplates';
 
@@ -5474,8 +5318,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5484,7 +5326,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5522,8 +5364,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5532,7 +5372,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5599,8 +5439,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -5621,7 +5459,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/inspectTemplates';
 
@@ -5663,8 +5501,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5677,7 +5513,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5725,8 +5561,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5739,7 +5573,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':activate';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':activate';
 
     final _response = await _requester.request(
       _url,
@@ -5787,8 +5622,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5801,7 +5634,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/jobTriggers';
 
@@ -5840,8 +5673,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5850,7 +5681,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5886,8 +5717,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5896,7 +5725,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5936,8 +5765,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5950,7 +5777,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':hybridInspect';
 
@@ -6035,8 +5862,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -6060,7 +5885,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/jobTriggers';
 
@@ -6101,8 +5926,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6115,7 +5938,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6174,8 +5997,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6188,7 +6009,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/storedInfoTypes';
 
@@ -6230,8 +6051,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6240,7 +6059,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6278,8 +6097,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6288,7 +6105,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6357,8 +6174,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -6379,7 +6194,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/storedInfoTypes';
 
@@ -6423,8 +6238,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6437,7 +6250,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6496,8 +6309,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6510,7 +6321,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/storedInfoTypes';
 
@@ -6551,8 +6362,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6561,7 +6370,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6598,8 +6407,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6608,7 +6415,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6677,8 +6484,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -6699,7 +6504,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/storedInfoTypes';
 
@@ -6742,8 +6547,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6756,7 +6559,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/dns/v1.dart

diff --git a/generated/googleapis/lib/dns/v1.dart b/generated/googleapis/lib/dns/v1.dart
index 8cba1c7..19c4ca0 100644
--- a/generated/googleapis/lib/dns/v1.dart
+++ b/generated/googleapis/lib/dns/v1.dart
@@ -114,8 +114,6 @@
     core.String clientOperationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -134,7 +132,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/managedZones/' +
         commons.Escaper.ecapeVariable('$managedZone') +
@@ -182,8 +180,6 @@
     core.String clientOperationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -201,7 +197,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/managedZones/' +
         commons.Escaper.ecapeVariable('$managedZone') +
@@ -256,8 +252,6 @@
     core.String sortOrder,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -281,7 +275,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/managedZones/' +
         commons.Escaper.ecapeVariable('$managedZone') +
@@ -339,8 +333,6 @@
     core.String digestType,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -361,7 +353,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/managedZones/' +
         commons.Escaper.ecapeVariable('$managedZone') +
@@ -413,8 +405,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -435,7 +425,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/managedZones/' +
         commons.Escaper.ecapeVariable('$managedZone') +
@@ -488,8 +478,6 @@
     core.String clientOperationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -507,7 +495,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/managedZones/' +
         commons.Escaper.ecapeVariable('$managedZone') +
@@ -560,8 +548,6 @@
     core.String sortBy,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -582,7 +568,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/managedZones/' +
         commons.Escaper.ecapeVariable('$managedZone') +
@@ -631,8 +617,6 @@
     core.String clientOperationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -648,7 +632,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/managedZones';
 
@@ -689,8 +673,6 @@
     core.String clientOperationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -705,7 +687,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/managedZones/' +
         commons.Escaper.ecapeVariable('$managedZone');
@@ -747,8 +729,6 @@
     core.String clientOperationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -763,7 +743,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/managedZones/' +
         commons.Escaper.ecapeVariable('$managedZone');
@@ -808,8 +788,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -827,7 +805,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/managedZones';
 
@@ -872,8 +850,6 @@
     core.String clientOperationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -892,7 +868,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/managedZones/' +
         commons.Escaper.ecapeVariable('$managedZone');
@@ -938,8 +914,6 @@
     core.String clientOperationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -958,7 +932,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/managedZones/' +
         commons.Escaper.ecapeVariable('$managedZone');
@@ -1006,8 +980,6 @@
     core.String clientOperationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1023,7 +995,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/policies';
 
@@ -1065,8 +1037,6 @@
     core.String clientOperationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1081,7 +1051,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/policies/' +
         commons.Escaper.ecapeVariable('$policy');
@@ -1123,8 +1093,6 @@
     core.String clientOperationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1139,7 +1107,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/policies/' +
         commons.Escaper.ecapeVariable('$policy');
@@ -1180,8 +1148,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1196,7 +1162,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/policies';
 
@@ -1241,8 +1207,6 @@
     core.String clientOperationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1261,7 +1225,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/policies/' +
         commons.Escaper.ecapeVariable('$policy');
@@ -1308,8 +1272,6 @@
     core.String clientOperationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1328,7 +1290,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/policies/' +
         commons.Escaper.ecapeVariable('$policy');
@@ -1374,8 +1336,6 @@
     core.String clientOperationId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1387,7 +1347,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' + commons.Escaper.ecapeVariable('$project');
+    final _url = 'dns/v1/projects/' + commons.Escaper.ecapeVariable('$project');
 
     final _response = await _requester.request(
       _url,
@@ -1443,8 +1403,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1468,7 +1426,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'dns/v1/projects/' +
+    final _url = 'dns/v1/projects/' +
         commons.Escaper.ecapeVariable('$project') +
         '/managedZones/' +
         commons.Escaper.ecapeVariable('$managedZone') +

generated/googleapis/lib/docs/v1.dart

diff --git a/generated/googleapis/lib/docs/v1.dart b/generated/googleapis/lib/docs/v1.dart
index 42cb1f1..c74dde6 100644
--- a/generated/googleapis/lib/docs/v1.dart
+++ b/generated/googleapis/lib/docs/v1.dart
@@ -110,8 +110,6 @@
     core.String documentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -124,7 +122,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/documents/' +
+    final _url = 'v1/documents/' +
         commons.Escaper.ecapeVariable('$documentId') +
         ':batchUpdate';
 
@@ -161,8 +159,6 @@
     Document request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -172,7 +168,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/documents';
+    const _url = 'v1/documents';
 
     final _response = await _requester.request(
       _url,
@@ -225,8 +221,6 @@
     core.String suggestionsViewMode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (documentId == null) {
       throw core.ArgumentError('Parameter documentId is required.');
     }
@@ -238,7 +232,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/documents/' + commons.Escaper.ecapeVariable('$documentId');
+    final _url = 'v1/documents/' + commons.Escaper.ecapeVariable('$documentId');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/domainsrdap/v1.dart

diff --git a/generated/googleapis/lib/domainsrdap/v1.dart b/generated/googleapis/lib/domainsrdap/v1.dart
index b74efde..9454c46 100644
--- a/generated/googleapis/lib/domainsrdap/v1.dart
+++ b/generated/googleapis/lib/domainsrdap/v1.dart
@@ -90,8 +90,6 @@
     core.String autnumId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (autnumId == null) {
       throw core.ArgumentError('Parameter autnumId is required.');
     }
@@ -100,7 +98,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/autnum/' + commons.Escaper.ecapeVariable('$autnumId');
+    final _url = 'v1/autnum/' + commons.Escaper.ecapeVariable('$autnumId');
 
     final _response = await _requester.request(
       _url,
@@ -138,8 +136,6 @@
     core.String domainName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (domainName == null) {
       throw core.ArgumentError('Parameter domainName is required.');
     }
@@ -148,7 +144,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/domain/' + commons.Escaper.ecapeVariableReserved('$domainName');
+    final _url =
+        'v1/domain/' + commons.Escaper.ecapeVariableReserved('$domainName');
 
     final _response = await _requester.request(
       _url,
@@ -187,8 +184,6 @@
     core.String entityId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (entityId == null) {
       throw core.ArgumentError('Parameter entityId is required.');
     }
@@ -197,7 +192,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/entity/' + commons.Escaper.ecapeVariable('$entityId');
+    final _url = 'v1/entity/' + commons.Escaper.ecapeVariable('$entityId');
 
     final _response = await _requester.request(
       _url,
@@ -240,8 +235,6 @@
     core.String ipId1, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (ipId == null) {
       throw core.ArgumentError('Parameter ipId is required.');
     }
@@ -253,7 +246,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/ip/' +
+    final _url = 'v1/ip/' +
         commons.Escaper.ecapeVariable('$ipId') +
         '/' +
         commons.Escaper.ecapeVariable('$ipId1');
@@ -296,8 +289,6 @@
     core.String nameserverId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (nameserverId == null) {
       throw core.ArgumentError('Parameter nameserverId is required.');
     }
@@ -306,7 +297,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/nameserver/' + commons.Escaper.ecapeVariable('$nameserverId');
+    final _url =
+        'v1/nameserver/' + commons.Escaper.ecapeVariable('$nameserverId');
 
     final _response = await _requester.request(
       _url,
@@ -343,14 +335,12 @@
   async.Future<RdapResponse> getDomains({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/domains';
+    const _url = 'v1/domains';
 
     final _response = await _requester.request(
       _url,
@@ -381,14 +371,12 @@
   async.Future<RdapResponse> getEntities({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/entities';
+    const _url = 'v1/entities';
 
     final _response = await _requester.request(
       _url,
@@ -416,14 +404,12 @@
   async.Future<HttpBody> getHelp({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/help';
+    const _url = 'v1/help';
 
     final _response = await _requester.request(
       _url,
@@ -453,14 +439,12 @@
   async.Future<HttpBody> getIp({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/ip';
+    const _url = 'v1/ip';
 
     final _response = await _requester.request(
       _url,
@@ -490,14 +474,12 @@
   async.Future<RdapResponse> getNameservers({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/nameservers';
+    const _url = 'v1/nameservers';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/doubleclickbidmanager/v1_1.dart

diff --git a/generated/googleapis/lib/doubleclickbidmanager/v1_1.dart b/generated/googleapis/lib/doubleclickbidmanager/v1_1.dart
index 64ae11b..8572251 100644
--- a/generated/googleapis/lib/doubleclickbidmanager/v1_1.dart
+++ b/generated/googleapis/lib/doubleclickbidmanager/v1_1.dart
@@ -89,8 +89,6 @@
     DownloadLineItemsRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -100,7 +98,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'lineitems/downloadlineitems';
+    const _url = 'lineitems/downloadlineitems';
 
     final _response = await _requester.request(
       _url,
@@ -134,8 +132,6 @@
     UploadLineItemsRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -145,7 +141,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'lineitems/uploadlineitems';
+    const _url = 'lineitems/uploadlineitems';
 
     final _response = await _requester.request(
       _url,
@@ -187,8 +183,6 @@
     core.bool asynchronous,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -201,7 +195,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'query';
+    const _url = 'query';
 
     final _response = await _requester.request(
       _url,
@@ -230,8 +224,6 @@
     core.String queryId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (queryId == null) {
       throw core.ArgumentError('Parameter queryId is required.');
     }
@@ -240,7 +232,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'query/' + commons.Escaper.ecapeVariable('$queryId');
+    final _url = 'query/' + commons.Escaper.ecapeVariable('$queryId');
 
     await _requester.request(
       _url,
@@ -270,8 +262,6 @@
     core.String queryId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (queryId == null) {
       throw core.ArgumentError('Parameter queryId is required.');
     }
@@ -280,7 +270,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'query/' + commons.Escaper.ecapeVariable('$queryId');
+    final _url = 'query/' + commons.Escaper.ecapeVariable('$queryId');
 
     final _response = await _requester.request(
       _url,
@@ -314,8 +304,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -327,7 +315,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'queries';
+    const _url = 'queries';
 
     final _response = await _requester.request(
       _url,
@@ -362,8 +350,6 @@
     core.bool asynchronous,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -379,7 +365,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'query/' + commons.Escaper.ecapeVariable('$queryId');
+    final _url = 'query/' + commons.Escaper.ecapeVariable('$queryId');
 
     await _requester.request(
       _url,
@@ -423,8 +409,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (queryId == null) {
       throw core.ArgumentError('Parameter queryId is required.');
     }
@@ -439,7 +423,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'queries/' + commons.Escaper.ecapeVariable('$queryId') + '/reports';
+    final _url =
+        'queries/' + commons.Escaper.ecapeVariable('$queryId') + '/reports';
 
     final _response = await _requester.request(
       _url,
@@ -476,8 +461,6 @@
     DownloadRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -487,7 +470,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'sdf/download';
+    const _url = 'sdf/download';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/doubleclicksearch/v2.dart

diff --git a/generated/googleapis/lib/doubleclicksearch/v2.dart b/generated/googleapis/lib/doubleclicksearch/v2.dart
index 5baf350..a4b1595 100644
--- a/generated/googleapis/lib/doubleclicksearch/v2.dart
+++ b/generated/googleapis/lib/doubleclicksearch/v2.dart
@@ -130,8 +130,6 @@
     core.String criterionId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (agencyId == null) {
       throw core.ArgumentError('Parameter agencyId is required.');
     }
@@ -174,7 +172,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'doubleclicksearch/v2/agency/' +
+    final _url = 'doubleclicksearch/v2/agency/' +
         commons.Escaper.ecapeVariable('$agencyId') +
         '/advertiser/' +
         commons.Escaper.ecapeVariable('$advertiserId') +
@@ -211,8 +209,6 @@
     ConversionList request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -222,7 +218,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'doubleclicksearch/v2/conversion';
+    const _url = 'doubleclicksearch/v2/conversion';
 
     final _response = await _requester.request(
       _url,
@@ -254,8 +250,6 @@
     ConversionList request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -265,7 +259,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'doubleclicksearch/v2/conversion';
+    const _url = 'doubleclicksearch/v2/conversion';
 
     final _response = await _requester.request(
       _url,
@@ -298,8 +292,6 @@
     UpdateAvailabilityRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -309,7 +301,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'doubleclicksearch/v2/conversion/updateAvailability';
+    const _url = 'doubleclicksearch/v2/conversion/updateAvailability';
 
     final _response = await _requester.request(
       _url,
@@ -347,8 +339,6 @@
     ReportRequest request_1, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request_1 != null) {
       _body = convert.json.encode(request_1.toJson());
@@ -358,7 +348,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'doubleclicksearch/v2/reports/generate';
+    const _url = 'doubleclicksearch/v2/reports/generate';
 
     final _response = await _requester.request(
       _url,
@@ -389,8 +379,6 @@
     core.String reportId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (reportId == null) {
       throw core.ArgumentError('Parameter reportId is required.');
     }
@@ -399,7 +387,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'doubleclicksearch/v2/reports/' +
+    final _url = 'doubleclicksearch/v2/reports/' +
         commons.Escaper.ecapeVariable('$reportId');
 
     final _response = await _requester.request(
@@ -436,8 +424,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     if (reportId == null) {
       throw core.ArgumentError('Parameter reportId is required.');
     }
@@ -449,7 +435,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'doubleclicksearch/v2/reports/' +
+    final _url = 'doubleclicksearch/v2/reports/' +
         commons.Escaper.ecapeVariable('$reportId') +
         '/files/' +
         commons.Escaper.ecapeVariable('$reportFragment');
@@ -488,8 +474,6 @@
     ReportRequest request_1, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request_1 != null) {
       _body = convert.json.encode(request_1.toJson());
@@ -499,7 +483,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'doubleclicksearch/v2/reports';
+    const _url = 'doubleclicksearch/v2/reports';
 
     final _response = await _requester.request(
       _url,
@@ -539,8 +523,6 @@
     core.String advertiserId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (agencyId == null) {
       throw core.ArgumentError('Parameter agencyId is required.');
     }
@@ -552,7 +534,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'doubleclicksearch/v2/agency/' +
+    final _url = 'doubleclicksearch/v2/agency/' +
         commons.Escaper.ecapeVariable('$agencyId') +
         '/advertiser/' +
         commons.Escaper.ecapeVariable('$advertiserId') +

generated/googleapis/lib/drive/v2.dart

diff --git a/generated/googleapis/lib/drive/v2.dart b/generated/googleapis/lib/drive/v2.dart
index 7932db2..a6ac80c 100644
--- a/generated/googleapis/lib/drive/v2.dart
+++ b/generated/googleapis/lib/drive/v2.dart
@@ -156,8 +156,6 @@
     core.String startChangeId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (includeSubscribed != null) {
       _queryParams['includeSubscribed'] = ['${includeSubscribed}'];
@@ -172,7 +170,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'about';
+    const _url = 'about';
 
     final _response = await _requester.request(
       _url,
@@ -208,8 +206,6 @@
     core.String appId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (appId == null) {
       throw core.ArgumentError('Parameter appId is required.');
     }
@@ -218,7 +214,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/' + commons.Escaper.ecapeVariable('$appId');
+    final _url = 'apps/' + commons.Escaper.ecapeVariable('$appId');
 
     final _response = await _requester.request(
       _url,
@@ -264,8 +260,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (appFilterExtensions != null) {
       _queryParams['appFilterExtensions'] = [appFilterExtensions];
@@ -280,7 +274,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps';
+    const _url = 'apps';
 
     final _response = await _requester.request(
       _url,
@@ -330,8 +324,6 @@
     core.String teamDriveId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (changeId == null) {
       throw core.ArgumentError('Parameter changeId is required.');
     }
@@ -352,7 +344,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'changes/' + commons.Escaper.ecapeVariable('$changeId');
+    final _url = 'changes/' + commons.Escaper.ecapeVariable('$changeId');
 
     final _response = await _requester.request(
       _url,
@@ -393,8 +385,6 @@
     core.String teamDriveId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (driveId != null) {
       _queryParams['driveId'] = [driveId];
@@ -412,7 +402,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'changes/startPageToken';
+    const _url = 'changes/startPageToken';
 
     final _response = await _requester.request(
       _url,
@@ -499,8 +489,6 @@
     core.String teamDriveId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (driveId != null) {
       _queryParams['driveId'] = [driveId];
@@ -550,7 +538,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'changes';
+    const _url = 'changes';
 
     final _response = await _requester.request(
       _url,
@@ -640,8 +628,6 @@
     core.String teamDriveId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -695,7 +681,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'changes/watch';
+    const _url = 'changes/watch';
 
     final _response = await _requester.request(
       _url,
@@ -730,8 +716,6 @@
     Channel request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -741,7 +725,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'channels/stop';
+    const _url = 'channels/stop';
 
     await _requester.request(
       _url,
@@ -784,8 +768,6 @@
     core.bool enforceSingleParent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (folderId == null) {
       throw core.ArgumentError('Parameter folderId is required.');
     }
@@ -800,7 +782,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$folderId') +
         '/children/' +
         commons.Escaper.ecapeVariable('$childId');
@@ -836,8 +818,6 @@
     core.String childId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (folderId == null) {
       throw core.ArgumentError('Parameter folderId is required.');
     }
@@ -849,7 +829,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$folderId') +
         '/children/' +
         commons.Escaper.ecapeVariable('$childId');
@@ -897,8 +877,6 @@
     core.bool supportsTeamDrives,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -920,7 +898,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$folderId') + '/children';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$folderId') + '/children';
 
     final _response = await _requester.request(
       _url,
@@ -971,8 +950,6 @@
     core.String q,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (folderId == null) {
       throw core.ArgumentError('Parameter folderId is required.');
     }
@@ -993,7 +970,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$folderId') + '/children';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$folderId') + '/children';
 
     final _response = await _requester.request(
       _url,
@@ -1030,8 +1008,6 @@
     core.String commentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -1043,7 +1019,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId');
@@ -1083,8 +1059,6 @@
     core.bool includeDeleted,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -1099,7 +1073,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId');
@@ -1135,8 +1109,6 @@
     core.String fileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -1149,7 +1121,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/comments';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/comments';
 
     final _response = await _requester.request(
       _url,
@@ -1198,8 +1171,6 @@
     core.String updatedMin,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -1220,7 +1191,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/comments';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/comments';
 
     final _response = await _requester.request(
       _url,
@@ -1257,8 +1229,6 @@
     core.String commentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -1274,7 +1244,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId');
@@ -1314,8 +1284,6 @@
     core.String commentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -1331,7 +1299,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId');
@@ -1371,8 +1339,6 @@
     core.String driveId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (driveId == null) {
       throw core.ArgumentError('Parameter driveId is required.');
     }
@@ -1381,7 +1347,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId');
+    final _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId');
 
     await _requester.request(
       _url,
@@ -1416,8 +1382,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (driveId == null) {
       throw core.ArgumentError('Parameter driveId is required.');
     }
@@ -1429,7 +1393,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId');
+    final _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId');
 
     final _response = await _requester.request(
       _url,
@@ -1459,8 +1423,6 @@
     core.String driveId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (driveId == null) {
       throw core.ArgumentError('Parameter driveId is required.');
     }
@@ -1469,7 +1431,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId') + '/hide';
+    final _url =
+        'drives/' + commons.Escaper.ecapeVariable('$driveId') + '/hide';
 
     final _response = await _requester.request(
       _url,
@@ -1506,8 +1469,6 @@
     core.String requestId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -1521,7 +1482,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'drives';
+    const _url = 'drives';
 
     final _response = await _requester.request(
       _url,
@@ -1564,8 +1525,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (maxResults != null) {
       _queryParams['maxResults'] = ['${maxResults}'];
@@ -1583,7 +1542,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'drives';
+    const _url = 'drives';
 
     final _response = await _requester.request(
       _url,
@@ -1613,8 +1572,6 @@
     core.String driveId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (driveId == null) {
       throw core.ArgumentError('Parameter driveId is required.');
     }
@@ -1623,7 +1580,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId') + '/unhide';
+    final _url =
+        'drives/' + commons.Escaper.ecapeVariable('$driveId') + '/unhide';
 
     final _response = await _requester.request(
       _url,
@@ -1661,8 +1619,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -1678,7 +1634,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId');
+    final _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId');
 
     final _response = await _requester.request(
       _url,
@@ -1764,8 +1720,6 @@
     core.String visibility,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -1811,7 +1765,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/copy';
+    final _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/copy';
 
     final _response = await _requester.request(
       _url,
@@ -1855,8 +1809,6 @@
     core.bool supportsTeamDrives,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -1874,7 +1826,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId');
+    final _url = 'files/' + commons.Escaper.ecapeVariable('$fileId');
 
     await _requester.request(
       _url,
@@ -1904,8 +1856,6 @@
     core.bool enforceSingleParent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (enforceSingleParent != null) {
       _queryParams['enforceSingleParent'] = ['${enforceSingleParent}'];
@@ -1914,7 +1864,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/trash';
+    const _url = 'files/trash';
 
     await _requester.request(
       _url,
@@ -1953,8 +1903,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -1967,7 +1915,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/export';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/export';
 
     final _response = await _requester.request(
       _url,
@@ -2009,8 +1958,6 @@
     core.String space,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (maxResults != null) {
       _queryParams['maxResults'] = ['${maxResults}'];
@@ -2022,7 +1969,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/generateIds';
+    const _url = 'files/generateIds';
 
     final _response = await _requester.request(
       _url,
@@ -2092,8 +2039,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -2123,7 +2068,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId');
+    final _url = 'files/' + commons.Escaper.ecapeVariable('$fileId');
 
     final _response = await _requester.request(
       _url,
@@ -2215,8 +2160,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -2264,6 +2207,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'files';
     } else if (uploadOptions is commons.ResumableUploadOptions) {
@@ -2372,8 +2316,6 @@
     core.String teamDriveId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (corpora != null) {
       _queryParams['corpora'] = [corpora];
@@ -2426,7 +2368,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files';
+    const _url = 'files';
 
     final _response = await _requester.request(
       _url,
@@ -2543,8 +2485,6 @@
     core.bool useContentAsIndexableText,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -2610,7 +2550,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId');
+    final _url = 'files/' + commons.Escaper.ecapeVariable('$fileId');
 
     final _response = await _requester.request(
       _url,
@@ -2652,8 +2592,6 @@
     core.bool supportsTeamDrives,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -2671,7 +2609,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/touch';
+    final _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/touch';
 
     final _response = await _requester.request(
       _url,
@@ -2719,8 +2657,6 @@
     core.bool supportsTeamDrives,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -2738,7 +2674,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/trash';
+    final _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/trash';
 
     final _response = await _requester.request(
       _url,
@@ -2783,8 +2719,6 @@
     core.bool supportsTeamDrives,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -2802,7 +2736,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/untrash';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/untrash';
 
     final _response = await _requester.request(
       _url,
@@ -2925,8 +2860,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -2992,6 +2925,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'files/' + commons.Escaper.ecapeVariable('$fileId');
     } else if (uploadOptions is commons.ResumableUploadOptions) {
@@ -3075,8 +3009,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -3110,7 +3042,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/watch';
+    final _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/watch';
 
     final _response = await _requester.request(
       _url,
@@ -3159,8 +3091,6 @@
     core.bool enforceSingleParent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -3175,7 +3105,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/parents/' +
         commons.Escaper.ecapeVariable('$parentId');
@@ -3211,8 +3141,6 @@
     core.String parentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -3224,7 +3152,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/parents/' +
         commons.Escaper.ecapeVariable('$parentId');
@@ -3272,8 +3200,6 @@
     core.bool supportsTeamDrives,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -3295,7 +3221,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/parents';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/parents';
 
     final _response = await _requester.request(
       _url,
@@ -3327,8 +3254,6 @@
     core.String fileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -3337,7 +3262,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/parents';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/parents';
 
     final _response = await _requester.request(
       _url,
@@ -3388,8 +3314,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -3410,7 +3334,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/permissions/' +
         commons.Escaper.ecapeVariable('$permissionId');
@@ -3459,8 +3383,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -3481,7 +3403,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/permissions/' +
         commons.Escaper.ecapeVariable('$permissionId');
@@ -3515,8 +3437,6 @@
     core.String email, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (email == null) {
       throw core.ArgumentError('Parameter email is required.');
     }
@@ -3525,7 +3445,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'permissionIds/' + commons.Escaper.ecapeVariable('$email');
+    final _url = 'permissionIds/' + commons.Escaper.ecapeVariable('$email');
 
     final _response = await _requester.request(
       _url,
@@ -3591,8 +3511,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -3626,7 +3544,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/permissions';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/permissions';
 
     final _response = await _requester.request(
       _url,
@@ -3687,8 +3606,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -3715,7 +3632,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/permissions';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/permissions';
 
     final _response = await _requester.request(
       _url,
@@ -3773,8 +3691,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -3805,7 +3721,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/permissions/' +
         commons.Escaper.ecapeVariable('$permissionId');
@@ -3867,8 +3783,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -3899,7 +3813,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/permissions/' +
         commons.Escaper.ecapeVariable('$permissionId');
@@ -3944,8 +3858,6 @@
     core.String visibility,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -3960,7 +3872,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/properties/' +
         commons.Escaper.ecapeVariable('$propertyKey');
@@ -3999,8 +3911,6 @@
     core.String visibility,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -4015,7 +3925,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/properties/' +
         commons.Escaper.ecapeVariable('$propertyKey');
@@ -4051,8 +3961,6 @@
     core.String fileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -4065,7 +3973,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/properties';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/properties';
 
     final _response = await _requester.request(
       _url,
@@ -4096,8 +4005,6 @@
     core.String fileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -4106,7 +4013,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/properties';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/properties';
 
     final _response = await _requester.request(
       _url,
@@ -4147,8 +4055,6 @@
     core.String visibility,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -4167,7 +4073,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/properties/' +
         commons.Escaper.ecapeVariable('$propertyKey');
@@ -4211,8 +4117,6 @@
     core.String visibility,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -4231,7 +4135,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/properties/' +
         commons.Escaper.ecapeVariable('$propertyKey');
@@ -4275,8 +4179,6 @@
     core.String replyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -4291,7 +4193,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId') +
@@ -4336,8 +4238,6 @@
     core.bool includeDeleted,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -4355,7 +4255,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId') +
@@ -4397,8 +4297,6 @@
     core.String commentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -4414,7 +4312,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId') +
@@ -4467,8 +4365,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -4489,7 +4385,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId') +
@@ -4533,8 +4429,6 @@
     core.String replyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -4553,7 +4447,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId') +
@@ -4599,8 +4493,6 @@
     core.String replyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -4619,7 +4511,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId') +
@@ -4667,8 +4559,6 @@
     core.String revisionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -4680,7 +4570,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/revisions/' +
         commons.Escaper.ecapeVariable('$revisionId');
@@ -4716,8 +4606,6 @@
     core.String revisionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -4729,7 +4617,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/revisions/' +
         commons.Escaper.ecapeVariable('$revisionId');
@@ -4771,8 +4659,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -4787,7 +4673,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/revisions';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/revisions';
 
     final _response = await _requester.request(
       _url,
@@ -4824,8 +4711,6 @@
     core.String revisionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -4841,7 +4726,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/revisions/' +
         commons.Escaper.ecapeVariable('$revisionId');
@@ -4881,8 +4766,6 @@
     core.String revisionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -4898,7 +4781,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/revisions/' +
         commons.Escaper.ecapeVariable('$revisionId');
@@ -4936,8 +4819,6 @@
     core.String teamDriveId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (teamDriveId == null) {
       throw core.ArgumentError('Parameter teamDriveId is required.');
     }
@@ -4946,7 +4827,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'teamdrives/' + commons.Escaper.ecapeVariable('$teamDriveId');
+    final _url = 'teamdrives/' + commons.Escaper.ecapeVariable('$teamDriveId');
 
     await _requester.request(
       _url,
@@ -4981,8 +4862,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (teamDriveId == null) {
       throw core.ArgumentError('Parameter teamDriveId is required.');
     }
@@ -4994,7 +4873,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'teamdrives/' + commons.Escaper.ecapeVariable('$teamDriveId');
+    final _url = 'teamdrives/' + commons.Escaper.ecapeVariable('$teamDriveId');
 
     final _response = await _requester.request(
       _url,
@@ -5031,8 +4910,6 @@
     core.String requestId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -5046,7 +4923,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'teamdrives';
+    const _url = 'teamdrives';
 
     final _response = await _requester.request(
       _url,
@@ -5089,8 +4966,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (maxResults != null) {
       _queryParams['maxResults'] = ['${maxResults}'];
@@ -5108,7 +4983,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'teamdrives';
+    const _url = 'teamdrives';
 
     final _response = await _requester.request(
       _url,
@@ -5147,8 +5022,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert_1.json.encode(request.toJson());
@@ -5164,7 +5037,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'teamdrives/' + commons.Escaper.ecapeVariable('$teamDriveId');
+    final _url = 'teamdrives/' + commons.Escaper.ecapeVariable('$teamDriveId');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/drive/v3.dart

diff --git a/generated/googleapis/lib/drive/v3.dart b/generated/googleapis/lib/drive/v3.dart
index eb5a0b3..d1be985 100644
--- a/generated/googleapis/lib/drive/v3.dart
+++ b/generated/googleapis/lib/drive/v3.dart
@@ -132,14 +132,12 @@
   async.Future<About> get({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'about';
+    const _url = 'about';
 
     final _response = await _requester.request(
       _url,
@@ -186,8 +184,6 @@
     core.String teamDriveId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (driveId != null) {
       _queryParams['driveId'] = [driveId];
@@ -205,7 +201,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'changes/startPageToken';
+    const _url = 'changes/startPageToken';
 
     final _response = await _requester.request(
       _url,
@@ -290,8 +286,6 @@
     core.String teamDriveId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageToken == null) {
       throw core.ArgumentError('Parameter pageToken is required.');
@@ -339,7 +333,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'changes';
+    const _url = 'changes';
 
     final _response = await _requester.request(
       _url,
@@ -427,8 +421,6 @@
     core.String teamDriveId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -480,7 +472,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'changes/watch';
+    const _url = 'changes/watch';
 
     final _response = await _requester.request(
       _url,
@@ -515,8 +507,6 @@
     Channel request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -526,7 +516,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'channels/stop';
+    const _url = 'channels/stop';
 
     await _requester.request(
       _url,
@@ -566,8 +556,6 @@
     core.String fileId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -580,7 +568,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/comments';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/comments';
 
     final _response = await _requester.request(
       _url,
@@ -612,8 +601,6 @@
     core.String commentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -625,7 +612,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId');
@@ -665,8 +652,6 @@
     core.bool includeDeleted,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -681,7 +666,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId');
@@ -731,8 +716,6 @@
     core.String startModifiedTime,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -753,7 +736,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/comments';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/comments';
 
     final _response = await _requester.request(
       _url,
@@ -790,8 +774,6 @@
     core.String commentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -807,7 +789,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId');
@@ -854,8 +836,6 @@
     core.String requestId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -869,7 +849,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'drives';
+    const _url = 'drives';
 
     final _response = await _requester.request(
       _url,
@@ -900,8 +880,6 @@
     core.String driveId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (driveId == null) {
       throw core.ArgumentError('Parameter driveId is required.');
     }
@@ -910,7 +888,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId');
+    final _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId');
 
     await _requester.request(
       _url,
@@ -945,8 +923,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (driveId == null) {
       throw core.ArgumentError('Parameter driveId is required.');
     }
@@ -958,7 +934,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId');
+    final _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId');
 
     final _response = await _requester.request(
       _url,
@@ -988,8 +964,6 @@
     core.String driveId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (driveId == null) {
       throw core.ArgumentError('Parameter driveId is required.');
     }
@@ -998,7 +972,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId') + '/hide';
+    final _url =
+        'drives/' + commons.Escaper.ecapeVariable('$driveId') + '/hide';
 
     final _response = await _requester.request(
       _url,
@@ -1040,8 +1015,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -1059,7 +1032,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'drives';
+    const _url = 'drives';
 
     final _response = await _requester.request(
       _url,
@@ -1089,8 +1062,6 @@
     core.String driveId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (driveId == null) {
       throw core.ArgumentError('Parameter driveId is required.');
     }
@@ -1099,7 +1070,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId') + '/unhide';
+    final _url =
+        'drives/' + commons.Escaper.ecapeVariable('$driveId') + '/unhide';
 
     final _response = await _requester.request(
       _url,
@@ -1137,8 +1109,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1154,7 +1124,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId');
+    final _url = 'drives/' + commons.Escaper.ecapeVariable('$driveId');
 
     final _response = await _requester.request(
       _url,
@@ -1229,8 +1199,6 @@
     core.bool supportsTeamDrives,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1264,7 +1232,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/copy';
+    final _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/copy';
 
     final _response = await _requester.request(
       _url,
@@ -1339,8 +1307,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1376,6 +1342,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'files';
     } else if (uploadOptions is commons.ResumableUploadOptions) {
@@ -1430,8 +1397,6 @@
     core.bool supportsTeamDrives,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -1449,7 +1414,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId');
+    final _url = 'files/' + commons.Escaper.ecapeVariable('$fileId');
 
     await _requester.request(
       _url,
@@ -1479,8 +1444,6 @@
     core.bool enforceSingleParent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (enforceSingleParent != null) {
       _queryParams['enforceSingleParent'] = ['${enforceSingleParent}'];
@@ -1489,7 +1452,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/trash';
+    const _url = 'files/trash';
 
     await _requester.request(
       _url,
@@ -1528,8 +1491,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -1542,7 +1503,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/export';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/export';
 
     final _response = await _requester.request(
       _url,
@@ -1584,8 +1546,6 @@
     core.String space,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (count != null) {
       _queryParams['count'] = ['${count}'];
@@ -1597,7 +1557,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/generateIds';
+    const _url = 'files/generateIds';
 
     final _response = await _requester.request(
       _url,
@@ -1653,8 +1613,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -1675,7 +1633,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId');
+    final _url = 'files/' + commons.Escaper.ecapeVariable('$fileId');
 
     final _response = await _requester.request(
       _url,
@@ -1779,8 +1737,6 @@
     core.String teamDriveId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (corpora != null) {
       _queryParams['corpora'] = [corpora];
@@ -1830,7 +1786,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files';
+    const _url = 'files';
 
     final _response = await _requester.request(
       _url,
@@ -1908,8 +1864,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1951,6 +1905,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'files/' + commons.Escaper.ecapeVariable('$fileId');
     } else if (uploadOptions is commons.ResumableUploadOptions) {
@@ -2020,8 +1975,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2046,7 +1999,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/watch';
+    final _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/watch';
 
     final _response = await _requester.request(
       _url,
@@ -2130,8 +2083,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2168,7 +2119,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/permissions';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/permissions';
 
     final _response = await _requester.request(
       _url,
@@ -2214,8 +2166,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -2236,7 +2186,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/permissions/' +
         commons.Escaper.ecapeVariable('$permissionId');
@@ -2285,8 +2235,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -2307,7 +2255,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/permissions/' +
         commons.Escaper.ecapeVariable('$permissionId');
@@ -2370,8 +2318,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -2398,7 +2344,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/permissions';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/permissions';
 
     final _response = await _requester.request(
       _url,
@@ -2456,8 +2403,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2488,7 +2433,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/permissions/' +
         commons.Escaper.ecapeVariable('$permissionId');
@@ -2535,8 +2480,6 @@
     core.String commentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2552,7 +2495,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId') +
@@ -2591,8 +2534,6 @@
     core.String replyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -2607,7 +2548,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId') +
@@ -2652,8 +2593,6 @@
     core.bool includeDeleted,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -2671,7 +2610,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId') +
@@ -2722,8 +2661,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -2744,7 +2681,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId') +
@@ -2787,8 +2724,6 @@
     core.String replyId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2807,7 +2742,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/comments/' +
         commons.Escaper.ecapeVariable('$commentId') +
@@ -2854,8 +2789,6 @@
     core.String revisionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -2867,7 +2800,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/revisions/' +
         commons.Escaper.ecapeVariable('$revisionId');
@@ -2917,8 +2850,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -2933,7 +2864,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/revisions/' +
         commons.Escaper.ecapeVariable('$revisionId');
@@ -2982,8 +2913,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (fileId == null) {
       throw core.ArgumentError('Parameter fileId is required.');
     }
@@ -2998,7 +2927,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' + commons.Escaper.ecapeVariable('$fileId') + '/revisions';
+    final _url =
+        'files/' + commons.Escaper.ecapeVariable('$fileId') + '/revisions';
 
     final _response = await _requester.request(
       _url,
@@ -3035,8 +2965,6 @@
     core.String revisionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3052,7 +2980,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'files/' +
+    final _url = 'files/' +
         commons.Escaper.ecapeVariable('$fileId') +
         '/revisions/' +
         commons.Escaper.ecapeVariable('$revisionId');
@@ -3099,8 +3027,6 @@
     core.String requestId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3114,7 +3040,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'teamdrives';
+    const _url = 'teamdrives';
 
     final _response = await _requester.request(
       _url,
@@ -3143,8 +3069,6 @@
     core.String teamDriveId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (teamDriveId == null) {
       throw core.ArgumentError('Parameter teamDriveId is required.');
     }
@@ -3153,7 +3077,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'teamdrives/' + commons.Escaper.ecapeVariable('$teamDriveId');
+    final _url = 'teamdrives/' + commons.Escaper.ecapeVariable('$teamDriveId');
 
     await _requester.request(
       _url,
@@ -3188,8 +3112,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (teamDriveId == null) {
       throw core.ArgumentError('Parameter teamDriveId is required.');
     }
@@ -3201,7 +3123,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'teamdrives/' + commons.Escaper.ecapeVariable('$teamDriveId');
+    final _url = 'teamdrives/' + commons.Escaper.ecapeVariable('$teamDriveId');
 
     final _response = await _requester.request(
       _url,
@@ -3243,8 +3165,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -3262,7 +3182,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'teamdrives';
+    const _url = 'teamdrives';
 
     final _response = await _requester.request(
       _url,
@@ -3301,8 +3221,6 @@
     core.bool useDomainAdminAccess,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3318,7 +3236,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'teamdrives/' + commons.Escaper.ecapeVariable('$teamDriveId');
+    final _url = 'teamdrives/' + commons.Escaper.ecapeVariable('$teamDriveId');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/driveactivity/v2.dart

diff --git a/generated/googleapis/lib/driveactivity/v2.dart b/generated/googleapis/lib/driveactivity/v2.dart
index 30dc858..8e021a2 100644
--- a/generated/googleapis/lib/driveactivity/v2.dart
+++ b/generated/googleapis/lib/driveactivity/v2.dart
@@ -83,8 +83,6 @@
     QueryDriveActivityRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -94,7 +92,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/activity:query';
+    const _url = 'v2/activity:query';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/eventarc/v1.dart

diff --git a/generated/googleapis/lib/eventarc/v1.dart b/generated/googleapis/lib/eventarc/v1.dart
index 60667d7..1bfd118 100644
--- a/generated/googleapis/lib/eventarc/v1.dart
+++ b/generated/googleapis/lib/eventarc/v1.dart
@@ -94,8 +94,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -104,7 +102,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -144,8 +142,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -163,7 +159,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -216,8 +212,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -230,7 +224,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -267,8 +262,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -277,7 +270,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -312,8 +305,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -322,7 +313,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -372,8 +363,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -391,7 +380,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(
@@ -442,8 +431,6 @@
     core.bool validateOnly,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -462,7 +449,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/triggers';
 
     final _response = await _requester.request(
@@ -509,8 +496,6 @@
     core.bool validateOnly,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -528,7 +513,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -561,8 +546,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -571,7 +554,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -617,8 +600,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -632,7 +613,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -681,8 +662,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -700,7 +679,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/triggers';
 
     final _response = await _requester.request(
@@ -753,8 +732,6 @@
     core.bool validateOnly,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -776,7 +753,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -818,8 +795,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -832,7 +807,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -877,8 +852,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -891,7 +864,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 

generated/googleapis/lib/fcm/v1.dart

diff --git a/generated/googleapis/lib/fcm/v1.dart b/generated/googleapis/lib/fcm/v1.dart
index a679610..b9ca1d3 100644
--- a/generated/googleapis/lib/fcm/v1.dart
+++ b/generated/googleapis/lib/fcm/v1.dart
@@ -99,8 +99,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -113,7 +111,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/messages:send';
 

generated/googleapis/lib/file/v1.dart

diff --git a/generated/googleapis/lib/file/v1.dart b/generated/googleapis/lib/file/v1.dart
index 3edd0e0..9f7c507 100644
--- a/generated/googleapis/lib/file/v1.dart
+++ b/generated/googleapis/lib/file/v1.dart
@@ -102,8 +102,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -112,7 +110,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -156,8 +154,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -180,7 +176,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -232,8 +228,6 @@
     core.String backupId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -249,7 +243,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/backups';
 
     final _response = await _requester.request(
@@ -284,8 +278,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -294,7 +286,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -327,8 +319,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -337,7 +327,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -387,8 +377,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -409,7 +397,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/backups';
 
     final _response = await _requester.request(
@@ -451,8 +439,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -468,7 +454,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -520,8 +506,6 @@
     core.String instanceId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -537,7 +521,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -572,8 +556,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -582,7 +564,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -615,8 +597,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -625,7 +605,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -675,8 +655,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -697,7 +675,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -740,8 +718,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -757,7 +733,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -798,8 +774,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -812,7 +786,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':restore';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':restore';
 
     final _response = await _requester.request(
       _url,
@@ -864,8 +839,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -878,7 +851,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -915,8 +889,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -925,7 +897,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -960,8 +932,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -970,7 +940,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1019,8 +989,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1038,7 +1006,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(

generated/googleapis/lib/firebasedynamiclinks/v1.dart

diff --git a/generated/googleapis/lib/firebasedynamiclinks/v1.dart b/generated/googleapis/lib/firebasedynamiclinks/v1.dart
index 63699f1..73a7278 100644
--- a/generated/googleapis/lib/firebasedynamiclinks/v1.dart
+++ b/generated/googleapis/lib/firebasedynamiclinks/v1.dart
@@ -93,8 +93,6 @@
     CreateManagedShortLinkRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -104,7 +102,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/managedShortLinks:create';
+    const _url = 'v1/managedShortLinks:create';
 
     final _response = await _requester.request(
       _url,
@@ -148,8 +146,6 @@
     CreateShortDynamicLinkRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -159,7 +155,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/shortLinks';
+    const _url = 'v1/shortLinks';
 
     final _response = await _requester.request(
       _url,
@@ -207,8 +203,6 @@
     core.String sdkVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (dynamicLink == null) {
       throw core.ArgumentError('Parameter dynamicLink is required.');
     }
@@ -223,7 +217,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariable('$dynamicLink') + '/linkStats';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariable('$dynamicLink') + '/linkStats';
 
     final _response = await _requester.request(
       _url,
@@ -254,8 +249,6 @@
     GetIosPostInstallAttributionRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -265,7 +258,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/installAttribution';
+    const _url = 'v1/installAttribution';
 
     final _response = await _requester.request(
       _url,
@@ -297,8 +290,6 @@
     GetIosReopenAttributionRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -308,7 +299,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/reopenAttribution';
+    const _url = 'v1/reopenAttribution';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/firebasehosting/v1.dart

diff --git a/generated/googleapis/lib/firebasehosting/v1.dart b/generated/googleapis/lib/firebasehosting/v1.dart
index 28c1930..03eb79a 100644
--- a/generated/googleapis/lib/firebasehosting/v1.dart
+++ b/generated/googleapis/lib/firebasehosting/v1.dart
@@ -94,8 +94,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -108,7 +106,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -144,8 +143,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -154,7 +151,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -203,8 +200,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -222,7 +217,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/firebaseml/v1.dart

diff --git a/generated/googleapis/lib/firebaseml/v1.dart b/generated/googleapis/lib/firebaseml/v1.dart
index 8156c44..7235916 100644
--- a/generated/googleapis/lib/firebaseml/v1.dart
+++ b/generated/googleapis/lib/firebaseml/v1.dart
@@ -92,8 +92,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -106,7 +104,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -142,8 +141,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -152,7 +149,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -201,8 +198,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -220,7 +215,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/firebaserules/v1.dart

diff --git a/generated/googleapis/lib/firebaserules/v1.dart b/generated/googleapis/lib/firebaserules/v1.dart
index 6a209ac..04997af 100644
--- a/generated/googleapis/lib/firebaserules/v1.dart
+++ b/generated/googleapis/lib/firebaserules/v1.dart
@@ -114,8 +114,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -128,7 +126,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':test';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':test';
 
     final _response = await _requester.request(
       _url,
@@ -187,8 +186,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -201,7 +198,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/releases';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/releases';
 
     final _response = await _requester.request(
       _url,
@@ -234,8 +232,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -244,7 +240,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -276,8 +272,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -286,7 +280,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -329,8 +323,6 @@
     core.String executableVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -342,7 +334,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':getExecutable';
 
@@ -407,8 +399,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -426,7 +416,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/releases';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/releases';
 
     final _response = await _requester.request(
       _url,
@@ -466,8 +457,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -480,7 +469,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -527,8 +516,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -541,7 +528,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/rulesets';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/rulesets';
 
     final _response = await _requester.request(
       _url,
@@ -576,8 +564,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -586,7 +572,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -618,8 +604,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -628,7 +612,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -680,8 +664,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -699,7 +681,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/rulesets';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/rulesets';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/firestore/v1.dart

diff --git a/generated/googleapis/lib/firestore/v1.dart b/generated/googleapis/lib/firestore/v1.dart
index 8c686f3..c093d7d 100644
--- a/generated/googleapis/lib/firestore/v1.dart
+++ b/generated/googleapis/lib/firestore/v1.dart
@@ -122,8 +122,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -136,7 +134,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':exportDocuments';
 
@@ -181,8 +179,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -195,7 +191,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':importDocuments';
 
@@ -251,8 +247,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -261,7 +255,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -314,8 +308,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -333,7 +325,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/fields';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/fields';
 
     final _response = await _requester.request(
       _url,
@@ -401,8 +394,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -418,7 +409,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -467,8 +458,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -481,7 +470,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/indexes';
 
     final _response = await _requester.request(
@@ -517,8 +506,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -527,7 +514,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -560,8 +547,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -570,7 +555,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -615,8 +600,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -634,7 +617,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/indexes';
 
     final _response = await _requester.request(
@@ -681,8 +664,6 @@
     core.String database, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -695,7 +676,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$database') +
         '/documents:batchGet';
 
@@ -740,8 +721,6 @@
     core.String database, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -754,7 +733,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$database') +
         '/documents:batchWrite';
 
@@ -793,8 +772,6 @@
     core.String database, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -807,7 +784,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$database') +
         '/documents:beginTransaction';
 
@@ -846,8 +823,6 @@
     core.String database, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -860,7 +835,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$database') +
         '/documents:commit';
 
@@ -913,8 +888,6 @@
     core.List<core.String> mask_fieldPaths,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -936,7 +909,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/' +
         commons.Escaper.ecapeVariable('$collectionId');
@@ -982,8 +955,6 @@
     core.String currentDocument_updateTime,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -998,7 +969,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1043,8 +1014,6 @@
     core.String transaction,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1062,7 +1031,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1131,8 +1100,6 @@
     core.String transaction,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1165,7 +1132,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/' +
         commons.Escaper.ecapeVariable('$collectionId');
@@ -1207,8 +1174,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1221,7 +1186,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':listCollectionIds';
 
@@ -1260,8 +1225,6 @@
     core.String database, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1274,7 +1237,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$database') +
         '/documents:listen';
 
@@ -1320,8 +1283,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1334,7 +1295,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':partitionQuery';
 
@@ -1390,8 +1351,6 @@
     core.List<core.String> updateMask_fieldPaths,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1416,7 +1375,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1452,8 +1411,6 @@
     core.String database, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1466,7 +1423,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$database') +
         '/documents:rollback';
 
@@ -1508,8 +1465,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1522,7 +1477,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + ':runQuery';
 
     final _response = await _requester.request(
@@ -1561,8 +1516,6 @@
     core.String database, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1575,7 +1528,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$database') +
         '/documents:write';
 
@@ -1630,8 +1583,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1644,7 +1595,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -1681,8 +1633,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1691,7 +1641,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1726,8 +1676,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1736,7 +1684,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1786,8 +1734,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1805,7 +1751,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(
@@ -1844,8 +1790,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1854,7 +1798,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1894,8 +1838,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1913,7 +1855,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(

generated/googleapis/lib/fitness/v1.dart

diff --git a/generated/googleapis/lib/fitness/v1.dart b/generated/googleapis/lib/fitness/v1.dart
index 82585ee..1578d07 100644
--- a/generated/googleapis/lib/fitness/v1.dart
+++ b/generated/googleapis/lib/fitness/v1.dart
@@ -229,8 +229,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -243,7 +241,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$userId') + '/dataSources';
+    final _url = commons.Escaper.ecapeVariable('$userId') + '/dataSources';
 
     final _response = await _requester.request(
       _url,
@@ -281,8 +279,6 @@
     core.String dataSourceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -294,7 +290,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$userId') +
+    final _url = commons.Escaper.ecapeVariable('$userId') +
         '/dataSources/' +
         commons.Escaper.ecapeVariable('$dataSourceId');
 
@@ -331,8 +327,6 @@
     core.String dataSourceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -344,7 +338,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$userId') +
+    final _url = commons.Escaper.ecapeVariable('$userId') +
         '/dataSources/' +
         commons.Escaper.ecapeVariable('$dataSourceId');
 
@@ -386,8 +380,6 @@
     core.List<core.String> dataTypeName,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -399,7 +391,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$userId') + '/dataSources';
+    final _url = commons.Escaper.ecapeVariable('$userId') + '/dataSources';
 
     final _response = await _requester.request(
       _url,
@@ -441,8 +433,6 @@
     core.String dataSourceId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -458,7 +448,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$userId') +
+    final _url = commons.Escaper.ecapeVariable('$userId') +
         '/dataSources/' +
         commons.Escaper.ecapeVariable('$dataSourceId');
 
@@ -513,8 +503,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -532,7 +520,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$userId') +
+    final _url = commons.Escaper.ecapeVariable('$userId') +
         '/dataSources/' +
         commons.Escaper.ecapeVariable('$dataSourceId') +
         '/dataPointChanges';
@@ -596,8 +584,6 @@
     core.String modifiedTimeMillis,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -618,7 +604,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$userId') +
+    final _url = commons.Escaper.ecapeVariable('$userId') +
         '/dataSources/' +
         commons.Escaper.ecapeVariable('$dataSourceId') +
         '/datasets/' +
@@ -683,8 +669,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -705,7 +689,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$userId') +
+    final _url = commons.Escaper.ecapeVariable('$userId') +
         '/dataSources/' +
         commons.Escaper.ecapeVariable('$dataSourceId') +
         '/datasets/' +
@@ -761,8 +745,6 @@
     core.String currentTimeMillis,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -784,7 +766,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$userId') +
+    final _url = commons.Escaper.ecapeVariable('$userId') +
         '/dataSources/' +
         commons.Escaper.ecapeVariable('$dataSourceId') +
         '/datasets/' +
@@ -833,8 +815,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -847,7 +827,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$userId') + '/dataset:aggregate';
+    final _url =
+        commons.Escaper.ecapeVariable('$userId') + '/dataset:aggregate';
 
     final _response = await _requester.request(
       _url,
@@ -891,8 +872,6 @@
     core.String currentTimeMillis,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -907,7 +886,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$userId') +
+    final _url = commons.Escaper.ecapeVariable('$userId') +
         '/sessions/' +
         commons.Escaper.ecapeVariable('$sessionId');
 
@@ -968,8 +947,6 @@
     core.String startTime,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -994,7 +971,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$userId') + '/sessions';
+    final _url = commons.Escaper.ecapeVariable('$userId') + '/sessions';
 
     final _response = await _requester.request(
       _url,
@@ -1036,8 +1013,6 @@
     core.String currentTimeMillis,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1056,7 +1031,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$userId') +
+    final _url = commons.Escaper.ecapeVariable('$userId') +
         '/sessions/' +
         commons.Escaper.ecapeVariable('$sessionId');
 

generated/googleapis/lib/games/v1.dart

diff --git a/generated/googleapis/lib/games/v1.dart b/generated/googleapis/lib/games/v1.dart
index 98d814e..8179cb2 100644
--- a/generated/googleapis/lib/games/v1.dart
+++ b/generated/googleapis/lib/games/v1.dart
@@ -119,8 +119,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (language != null) {
       _queryParams['language'] = [language];
@@ -135,7 +133,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/achievements';
+    const _url = 'games/v1/achievements';
 
     final _response = await _requester.request(
       _url,
@@ -181,8 +179,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (achievementId == null) {
       throw core.ArgumentError('Parameter achievementId is required.');
     }
@@ -198,7 +194,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/achievements/' +
+    final _url = 'games/v1/achievements/' +
         commons.Escaper.ecapeVariable('$achievementId') +
         '/increment';
 
@@ -255,8 +251,6 @@
     core.String state,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (playerId == null) {
       throw core.ArgumentError('Parameter playerId is required.');
     }
@@ -277,7 +271,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/players/' +
+    final _url = 'games/v1/players/' +
         commons.Escaper.ecapeVariable('$playerId') +
         '/achievements';
 
@@ -311,8 +305,6 @@
     core.String achievementId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (achievementId == null) {
       throw core.ArgumentError('Parameter achievementId is required.');
     }
@@ -321,7 +313,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/achievements/' +
+    final _url = 'games/v1/achievements/' +
         commons.Escaper.ecapeVariable('$achievementId') +
         '/reveal';
 
@@ -362,8 +354,6 @@
     core.int steps, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (achievementId == null) {
       throw core.ArgumentError('Parameter achievementId is required.');
     }
@@ -376,7 +366,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/achievements/' +
+    final _url = 'games/v1/achievements/' +
         commons.Escaper.ecapeVariable('$achievementId') +
         '/setStepsAtLeast';
 
@@ -409,8 +399,6 @@
     core.String achievementId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (achievementId == null) {
       throw core.ArgumentError('Parameter achievementId is required.');
     }
@@ -419,7 +407,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/achievements/' +
+    final _url = 'games/v1/achievements/' +
         commons.Escaper.ecapeVariable('$achievementId') +
         '/unlock';
 
@@ -452,8 +440,6 @@
     AchievementUpdateMultipleRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -463,7 +449,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/achievements/updateMultiple';
+    const _url = 'games/v1/achievements/updateMultiple';
 
     final _response = await _requester.request(
       _url,
@@ -518,8 +504,6 @@
     core.String platformType,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (applicationId == null) {
       throw core.ArgumentError('Parameter applicationId is required.');
     }
@@ -534,7 +518,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/applications/' +
+    final _url = 'games/v1/applications/' +
         commons.Escaper.ecapeVariable('$applicationId');
 
     final _response = await _requester.request(
@@ -574,8 +558,6 @@
     core.String endPointType,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (applicationId != null) {
       _queryParams['applicationId'] = [applicationId];
@@ -587,7 +569,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/applications/getEndPoint';
+    const _url = 'games/v1/applications/getEndPoint';
 
     final _response = await _requester.request(
       _url,
@@ -613,14 +595,12 @@
   async.Future<void> played({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/applications/played';
+    const _url = 'games/v1/applications/played';
 
     await _requester.request(
       _url,
@@ -653,8 +633,6 @@
     core.String applicationId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (applicationId == null) {
       throw core.ArgumentError('Parameter applicationId is required.');
     }
@@ -663,7 +641,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/applications/' +
+    final _url = 'games/v1/applications/' +
         commons.Escaper.ecapeVariable('$applicationId') +
         '/verify';
 
@@ -712,8 +690,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (language != null) {
       _queryParams['language'] = [language];
@@ -728,7 +704,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/events';
+    const _url = 'games/v1/events';
 
     final _response = await _requester.request(
       _url,
@@ -768,8 +744,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (language != null) {
       _queryParams['language'] = [language];
@@ -784,7 +758,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/eventDefinitions';
+    const _url = 'games/v1/eventDefinitions';
 
     final _response = await _requester.request(
       _url,
@@ -820,8 +794,6 @@
     core.String language,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -834,7 +806,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/events';
+    const _url = 'games/v1/events';
 
     final _response = await _requester.request(
       _url,
@@ -876,8 +848,6 @@
     core.String language,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (leaderboardId == null) {
       throw core.ArgumentError('Parameter leaderboardId is required.');
     }
@@ -889,7 +859,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/leaderboards/' +
+    final _url = 'games/v1/leaderboards/' +
         commons.Escaper.ecapeVariable('$leaderboardId');
 
     final _response = await _requester.request(
@@ -930,8 +900,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (language != null) {
       _queryParams['language'] = [language];
@@ -946,7 +914,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/leaderboards';
+    const _url = 'games/v1/leaderboards';
 
     final _response = await _requester.request(
       _url,
@@ -980,14 +948,12 @@
   async.Future<MetagameConfig> getMetagameConfig({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/metagameConfig';
+    const _url = 'games/v1/metagameConfig';
 
     final _response = await _requester.request(
       _url,
@@ -1039,8 +1005,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (playerId == null) {
       throw core.ArgumentError('Parameter playerId is required.');
     }
@@ -1061,7 +1025,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/players/' +
+    final _url = 'games/v1/players/' +
         commons.Escaper.ecapeVariable('$playerId') +
         '/categories/' +
         commons.Escaper.ecapeVariable('$collection');
@@ -1109,8 +1073,6 @@
     core.String language,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (playerId == null) {
       throw core.ArgumentError('Parameter playerId is required.');
     }
@@ -1122,7 +1084,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/players/' + commons.Escaper.ecapeVariable('$playerId');
+    final _url =
+        'games/v1/players/' + commons.Escaper.ecapeVariable('$playerId');
 
     final _response = await _requester.request(
       _url,
@@ -1171,8 +1134,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (collection == null) {
       throw core.ArgumentError('Parameter collection is required.');
     }
@@ -1190,7 +1151,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/players/me/players/' +
+    final _url = 'games/v1/players/me/players/' +
         commons.Escaper.ecapeVariable('$collection');
 
     final _response = await _requester.request(
@@ -1232,8 +1193,6 @@
     core.String clientRevision, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (clientRevision == null) {
       throw core.ArgumentError('Parameter clientRevision is required.');
@@ -1243,7 +1202,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/revisions/check';
+    const _url = 'games/v1/revisions/check';
 
     final _response = await _requester.request(
       _url,
@@ -1325,8 +1284,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (playerId == null) {
       throw core.ArgumentError('Parameter playerId is required.');
     }
@@ -1353,7 +1310,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/players/' +
+    final _url = 'games/v1/players/' +
         commons.Escaper.ecapeVariable('$playerId') +
         '/leaderboards/' +
         commons.Escaper.ecapeVariable('$leaderboardId') +
@@ -1417,8 +1374,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (leaderboardId == null) {
       throw core.ArgumentError('Parameter leaderboardId is required.');
     }
@@ -1443,7 +1398,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/leaderboards/' +
+    final _url = 'games/v1/leaderboards/' +
         commons.Escaper.ecapeVariable('$leaderboardId') +
         '/scores/' +
         commons.Escaper.ecapeVariable('$collection');
@@ -1515,8 +1470,6 @@
     core.bool returnTopIfAbsent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (leaderboardId == null) {
       throw core.ArgumentError('Parameter leaderboardId is required.');
     }
@@ -1547,7 +1500,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/leaderboards/' +
+    final _url = 'games/v1/leaderboards/' +
         commons.Escaper.ecapeVariable('$leaderboardId') +
         '/window/' +
         commons.Escaper.ecapeVariable('$collection');
@@ -1599,8 +1552,6 @@
     core.String scoreTag,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (leaderboardId == null) {
       throw core.ArgumentError('Parameter leaderboardId is required.');
     }
@@ -1619,7 +1570,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/leaderboards/' +
+    final _url = 'games/v1/leaderboards/' +
         commons.Escaper.ecapeVariable('$leaderboardId') +
         '/scores';
 
@@ -1656,8 +1607,6 @@
     core.String language,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1670,7 +1619,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/leaderboards/scores';
+    const _url = 'games/v1/leaderboards/scores';
 
     final _response = await _requester.request(
       _url,
@@ -1712,8 +1661,6 @@
     core.String language,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (snapshotId == null) {
       throw core.ArgumentError('Parameter snapshotId is required.');
     }
@@ -1725,7 +1672,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/snapshots/' + commons.Escaper.ecapeVariable('$snapshotId');
+    final _url =
+        'games/v1/snapshots/' + commons.Escaper.ecapeVariable('$snapshotId');
 
     final _response = await _requester.request(
       _url,
@@ -1769,8 +1717,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (playerId == null) {
       throw core.ArgumentError('Parameter playerId is required.');
     }
@@ -1788,7 +1734,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/players/' +
+    final _url = 'games/v1/players/' +
         commons.Escaper.ecapeVariable('$playerId') +
         '/snapshots';
 
@@ -1832,8 +1778,6 @@
     core.String snapshotName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1846,7 +1790,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/snapshotsExtended/' +
+    final _url = 'games/v1/snapshotsExtended/' +
         commons.Escaper.ecapeVariable('$snapshotName') +
         ':resolveHead';
 
@@ -1884,14 +1828,12 @@
   async.Future<StatsResponse> get({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1/stats';
+    const _url = 'games/v1/stats';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/gamesconfiguration/v1configuration.dart

diff --git a/generated/googleapis/lib/gamesconfiguration/v1configuration.dart b/generated/googleapis/lib/gamesconfiguration/v1configuration.dart
index 2ac7ec5..44418e6 100644
--- a/generated/googleapis/lib/gamesconfiguration/v1configuration.dart
+++ b/generated/googleapis/lib/gamesconfiguration/v1configuration.dart
@@ -95,8 +95,6 @@
     core.String achievementId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (achievementId == null) {
       throw core.ArgumentError('Parameter achievementId is required.');
     }
@@ -105,7 +103,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1configuration/achievements/' +
+    final _url = 'games/v1configuration/achievements/' +
         commons.Escaper.ecapeVariable('$achievementId');
 
     await _requester.request(
@@ -136,8 +134,6 @@
     core.String achievementId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (achievementId == null) {
       throw core.ArgumentError('Parameter achievementId is required.');
     }
@@ -146,7 +142,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1configuration/achievements/' +
+    final _url = 'games/v1configuration/achievements/' +
         commons.Escaper.ecapeVariable('$achievementId');
 
     final _response = await _requester.request(
@@ -182,8 +178,6 @@
     core.String applicationId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -196,7 +190,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1configuration/applications/' +
+    final _url = 'games/v1configuration/applications/' +
         commons.Escaper.ecapeVariable('$applicationId') +
         '/achievements';
 
@@ -239,8 +233,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (applicationId == null) {
       throw core.ArgumentError('Parameter applicationId is required.');
     }
@@ -255,7 +247,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1configuration/applications/' +
+    final _url = 'games/v1configuration/applications/' +
         commons.Escaper.ecapeVariable('$applicationId') +
         '/achievements';
 
@@ -291,8 +283,6 @@
     core.String achievementId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -305,7 +295,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1configuration/achievements/' +
+    final _url = 'games/v1configuration/achievements/' +
         commons.Escaper.ecapeVariable('$achievementId');
 
     final _response = await _requester.request(
@@ -355,8 +345,6 @@
     core.String $fields,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     if (resourceId == null) {
       throw core.ArgumentError('Parameter resourceId is required.');
     }
@@ -368,6 +356,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'games/v1configuration/images/' +
           commons.Escaper.ecapeVariable('$resourceId') +
@@ -416,8 +405,6 @@
     core.String leaderboardId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (leaderboardId == null) {
       throw core.ArgumentError('Parameter leaderboardId is required.');
     }
@@ -426,7 +413,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1configuration/leaderboards/' +
+    final _url = 'games/v1configuration/leaderboards/' +
         commons.Escaper.ecapeVariable('$leaderboardId');
 
     await _requester.request(
@@ -457,8 +444,6 @@
     core.String leaderboardId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (leaderboardId == null) {
       throw core.ArgumentError('Parameter leaderboardId is required.');
     }
@@ -467,7 +452,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1configuration/leaderboards/' +
+    final _url = 'games/v1configuration/leaderboards/' +
         commons.Escaper.ecapeVariable('$leaderboardId');
 
     final _response = await _requester.request(
@@ -503,8 +488,6 @@
     core.String applicationId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -517,7 +500,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1configuration/applications/' +
+    final _url = 'games/v1configuration/applications/' +
         commons.Escaper.ecapeVariable('$applicationId') +
         '/leaderboards';
 
@@ -560,8 +543,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (applicationId == null) {
       throw core.ArgumentError('Parameter applicationId is required.');
     }
@@ -576,7 +557,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1configuration/applications/' +
+    final _url = 'games/v1configuration/applications/' +
         commons.Escaper.ecapeVariable('$applicationId') +
         '/leaderboards';
 
@@ -612,8 +593,6 @@
     core.String leaderboardId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -626,7 +605,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1configuration/leaderboards/' +
+    final _url = 'games/v1configuration/leaderboards/' +
         commons.Escaper.ecapeVariable('$leaderboardId');
 
     final _response = await _requester.request(

generated/googleapis/lib/gameservices/v1.dart

diff --git a/generated/googleapis/lib/gameservices/v1.dart b/generated/googleapis/lib/gameservices/v1.dart
index 8f65587..901385b 100644
--- a/generated/googleapis/lib/gameservices/v1.dart
+++ b/generated/googleapis/lib/gameservices/v1.dart
@@ -102,8 +102,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -112,7 +110,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -156,8 +154,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -180,7 +176,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -231,8 +227,6 @@
     core.String deploymentId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -248,7 +242,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/gameServerDeployments';
 
@@ -285,8 +279,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -295,7 +287,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -336,8 +328,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -350,7 +340,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':fetchDeploymentState';
 
@@ -388,8 +378,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -398,7 +386,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -445,8 +433,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -460,7 +446,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -496,8 +482,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -506,7 +490,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/rollout';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/rollout';
 
     final _response = await _requester.request(
       _url,
@@ -557,8 +542,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -579,7 +562,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/gameServerDeployments';
 
@@ -626,8 +609,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -643,7 +624,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -694,8 +675,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -714,7 +693,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/rollout:preview';
 
@@ -758,8 +737,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -772,7 +749,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -817,8 +794,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -831,7 +806,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -885,8 +860,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -902,7 +875,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/rollout';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/rollout';
 
     final _response = await _requester.request(
       _url,
@@ -955,8 +929,6 @@
     core.String configId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -972,7 +944,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/configs';
 
     final _response = await _requester.request(
@@ -1011,8 +983,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1021,7 +991,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1055,8 +1025,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1065,7 +1033,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1119,8 +1087,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1141,7 +1107,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/configs';
 
     final _response = await _requester.request(
@@ -1194,8 +1160,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1208,7 +1172,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -1245,8 +1210,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1255,7 +1218,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1290,8 +1253,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1300,7 +1261,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1349,8 +1310,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1368,7 +1327,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(
@@ -1418,8 +1377,6 @@
     core.String realmId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1435,7 +1392,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/realms';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/realms';
 
     final _response = await _requester.request(
       _url,
@@ -1469,8 +1427,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1479,7 +1435,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1512,8 +1468,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1522,7 +1476,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1571,8 +1525,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1593,7 +1545,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/realms';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/realms';
 
     final _response = await _requester.request(
       _url,
@@ -1636,8 +1589,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1653,7 +1604,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1699,8 +1650,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1719,7 +1668,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':previewUpdate';
 
@@ -1770,8 +1719,6 @@
     core.String gameServerClusterId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1787,7 +1734,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/gameServerClusters';
 
@@ -1824,8 +1771,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1834,7 +1779,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1868,8 +1813,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1878,7 +1821,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1930,8 +1873,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1952,7 +1893,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/gameServerClusters';
 
@@ -1999,8 +1940,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2016,7 +1955,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2061,8 +2000,6 @@
     core.String previewTime,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2081,7 +2018,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/gameServerClusters:previewCreate';
 
@@ -2122,8 +2059,6 @@
     core.String previewTime,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2135,7 +2070,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':previewDelete';
 
@@ -2185,8 +2120,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2205,7 +2138,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':previewUpdate';
 

generated/googleapis/lib/gamesmanagement/v1management.dart

diff --git a/generated/googleapis/lib/gamesmanagement/v1management.dart b/generated/googleapis/lib/gamesmanagement/v1management.dart
index d2e50f0..93d7e99 100644
--- a/generated/googleapis/lib/gamesmanagement/v1management.dart
+++ b/generated/googleapis/lib/gamesmanagement/v1management.dart
@@ -92,8 +92,6 @@
     core.String achievementId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (achievementId == null) {
       throw core.ArgumentError('Parameter achievementId is required.');
     }
@@ -102,7 +100,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/achievements/' +
+    final _url = 'games/v1management/achievements/' +
         commons.Escaper.ecapeVariable('$achievementId') +
         '/reset';
 
@@ -136,14 +134,12 @@
   async.Future<AchievementResetAllResponse> resetAll({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/achievements/reset';
+    const _url = 'games/v1management/achievements/reset';
 
     final _response = await _requester.request(
       _url,
@@ -171,14 +167,12 @@
   async.Future<void> resetAllForAllPlayers({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/achievements/resetAllForAllPlayers';
+    const _url = 'games/v1management/achievements/resetAllForAllPlayers';
 
     await _requester.request(
       _url,
@@ -209,8 +203,6 @@
     core.String achievementId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (achievementId == null) {
       throw core.ArgumentError('Parameter achievementId is required.');
     }
@@ -219,7 +211,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/achievements/' +
+    final _url = 'games/v1management/achievements/' +
         commons.Escaper.ecapeVariable('$achievementId') +
         '/resetForAllPlayers';
 
@@ -252,8 +244,6 @@
     AchievementResetMultipleForAllRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -263,7 +253,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/achievements/resetMultipleForAllPlayers';
+    const _url = 'games/v1management/achievements/resetMultipleForAllPlayers';
 
     await _requester.request(
       _url,
@@ -311,8 +301,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (applicationId == null) {
       throw core.ArgumentError('Parameter applicationId is required.');
     }
@@ -327,7 +315,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/applications/' +
+    final _url = 'games/v1management/applications/' +
         commons.Escaper.ecapeVariable('$applicationId') +
         '/players/hidden';
 
@@ -368,8 +356,6 @@
     core.String eventId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (eventId == null) {
       throw core.ArgumentError('Parameter eventId is required.');
     }
@@ -378,7 +364,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/events/' +
+    final _url = 'games/v1management/events/' +
         commons.Escaper.ecapeVariable('$eventId') +
         '/reset';
 
@@ -409,14 +395,12 @@
   async.Future<void> resetAll({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/events/reset';
+    const _url = 'games/v1management/events/reset';
 
     await _requester.request(
       _url,
@@ -443,14 +427,12 @@
   async.Future<void> resetAllForAllPlayers({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/events/resetAllForAllPlayers';
+    const _url = 'games/v1management/events/resetAllForAllPlayers';
 
     await _requester.request(
       _url,
@@ -481,8 +463,6 @@
     core.String eventId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (eventId == null) {
       throw core.ArgumentError('Parameter eventId is required.');
     }
@@ -491,7 +471,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/events/' +
+    final _url = 'games/v1management/events/' +
         commons.Escaper.ecapeVariable('$eventId') +
         '/resetForAllPlayers';
 
@@ -524,8 +504,6 @@
     EventsResetMultipleForAllRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -535,7 +513,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/events/resetMultipleForAllPlayers';
+    const _url = 'games/v1management/events/resetMultipleForAllPlayers';
 
     await _requester.request(
       _url,
@@ -577,8 +555,6 @@
     core.String playerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (applicationId == null) {
       throw core.ArgumentError('Parameter applicationId is required.');
     }
@@ -590,7 +566,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/applications/' +
+    final _url = 'games/v1management/applications/' +
         commons.Escaper.ecapeVariable('$applicationId') +
         '/players/hidden/' +
         commons.Escaper.ecapeVariable('$playerId');
@@ -628,8 +604,6 @@
     core.String playerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (applicationId == null) {
       throw core.ArgumentError('Parameter applicationId is required.');
     }
@@ -641,7 +615,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/applications/' +
+    final _url = 'games/v1management/applications/' +
         commons.Escaper.ecapeVariable('$applicationId') +
         '/players/hidden/' +
         commons.Escaper.ecapeVariable('$playerId');
@@ -684,8 +658,6 @@
     core.String leaderboardId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (leaderboardId == null) {
       throw core.ArgumentError('Parameter leaderboardId is required.');
     }
@@ -694,7 +666,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/leaderboards/' +
+    final _url = 'games/v1management/leaderboards/' +
         commons.Escaper.ecapeVariable('$leaderboardId') +
         '/scores/reset';
 
@@ -728,14 +700,12 @@
   async.Future<PlayerScoreResetAllResponse> resetAll({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/scores/reset';
+    const _url = 'games/v1management/scores/reset';
 
     final _response = await _requester.request(
       _url,
@@ -763,14 +733,12 @@
   async.Future<void> resetAllForAllPlayers({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/scores/resetAllForAllPlayers';
+    const _url = 'games/v1management/scores/resetAllForAllPlayers';
 
     await _requester.request(
       _url,
@@ -801,8 +769,6 @@
     core.String leaderboardId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (leaderboardId == null) {
       throw core.ArgumentError('Parameter leaderboardId is required.');
     }
@@ -811,7 +777,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/leaderboards/' +
+    final _url = 'games/v1management/leaderboards/' +
         commons.Escaper.ecapeVariable('$leaderboardId') +
         '/scores/resetForAllPlayers';
 
@@ -844,8 +810,6 @@
     ScoresResetMultipleForAllRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -855,7 +819,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'games/v1management/scores/resetMultipleForAllPlayers';
+    const _url = 'games/v1management/scores/resetMultipleForAllPlayers';
 
     await _requester.request(
       _url,

generated/googleapis/lib/genomics/v1.dart

diff --git a/generated/googleapis/lib/genomics/v1.dart b/generated/googleapis/lib/genomics/v1.dart
index 254bb0c..880ff42 100644
--- a/generated/googleapis/lib/genomics/v1.dart
+++ b/generated/googleapis/lib/genomics/v1.dart
@@ -93,8 +93,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -107,7 +105,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -144,8 +143,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -154,7 +151,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -217,8 +214,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -236,7 +231,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/gmail/v1.dart

diff --git a/generated/googleapis/lib/gmail/v1.dart b/generated/googleapis/lib/gmail/v1.dart
index 3d4399e..957e9fa 100644
--- a/generated/googleapis/lib/gmail/v1.dart
+++ b/generated/googleapis/lib/gmail/v1.dart
@@ -160,8 +160,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -170,7 +168,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/profile';
 
@@ -201,8 +199,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -211,7 +207,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'gmail/v1/users/' + commons.Escaper.ecapeVariable('$userId') + '/stop';
 
     await _requester.request(
@@ -246,8 +242,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -260,7 +254,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'gmail/v1/users/' + commons.Escaper.ecapeVariable('$userId') + '/watch';
 
     final _response = await _requester.request(
@@ -311,8 +305,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -325,6 +317,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'gmail/v1/users/' +
           commons.Escaper.ecapeVariable('$userId') +
@@ -374,8 +367,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -387,7 +378,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/drafts/' +
         commons.Escaper.ecapeVariable('$id');
@@ -438,8 +429,6 @@
     core.String format,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -454,7 +443,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/drafts/' +
         commons.Escaper.ecapeVariable('$id');
@@ -504,8 +493,6 @@
     core.String q,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -526,7 +513,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/drafts';
 
@@ -572,8 +559,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -586,6 +571,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'gmail/v1/users/' +
           commons.Escaper.ecapeVariable('$userId') +
@@ -646,8 +632,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -663,6 +647,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'gmail/v1/users/' +
           commons.Escaper.ecapeVariable('$userId') +
@@ -747,8 +732,6 @@
     core.String startHistoryId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -772,7 +755,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/history';
 
@@ -815,8 +798,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -829,7 +810,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/labels';
 
@@ -865,8 +846,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -878,7 +857,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/labels/' +
         commons.Escaper.ecapeVariable('$id');
@@ -915,8 +894,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -928,7 +905,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/labels/' +
         commons.Escaper.ecapeVariable('$id');
@@ -962,8 +939,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -972,7 +947,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/labels';
 
@@ -1012,8 +987,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1029,7 +1002,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/labels/' +
         commons.Escaper.ecapeVariable('$id');
@@ -1070,8 +1043,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1087,7 +1058,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/labels/' +
         commons.Escaper.ecapeVariable('$id');
@@ -1135,8 +1106,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1149,7 +1118,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/messages/batchDelete';
 
@@ -1184,8 +1153,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1198,7 +1165,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/messages/batchModify';
 
@@ -1235,8 +1202,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -1248,7 +1213,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/messages/' +
         commons.Escaper.ecapeVariable('$id');
@@ -1305,8 +1270,6 @@
     core.List<core.String> metadataHeaders,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -1324,7 +1287,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/messages/' +
         commons.Escaper.ecapeVariable('$id');
@@ -1394,8 +1357,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1420,6 +1381,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'gmail/v1/users/' +
           commons.Escaper.ecapeVariable('$userId') +
@@ -1493,8 +1455,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1513,6 +1473,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'gmail/v1/users/' +
           commons.Escaper.ecapeVariable('$userId') +
@@ -1580,8 +1541,6 @@
     core.String q,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -1605,7 +1564,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/messages';
 
@@ -1645,8 +1604,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1662,7 +1619,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/messages/' +
         commons.Escaper.ecapeVariable('$id') +
@@ -1710,8 +1667,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1724,6 +1679,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'gmail/v1/users/' +
           commons.Escaper.ecapeVariable('$userId') +
@@ -1773,8 +1729,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -1786,7 +1740,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/messages/' +
         commons.Escaper.ecapeVariable('$id') +
@@ -1824,8 +1778,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -1837,7 +1789,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/messages/' +
         commons.Escaper.ecapeVariable('$id') +
@@ -1885,8 +1837,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -1901,7 +1851,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/messages/' +
         commons.Escaper.ecapeVariable('$messageId') +
@@ -1953,8 +1903,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -1963,7 +1911,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/autoForwarding';
 
@@ -1997,8 +1945,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -2007,7 +1953,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/imap';
 
@@ -2041,8 +1987,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -2051,7 +1995,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/language';
 
@@ -2085,8 +2029,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -2095,7 +2037,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/pop';
 
@@ -2129,8 +2071,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -2139,7 +2079,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/vacation';
 
@@ -2180,8 +2120,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2194,7 +2132,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/autoForwarding';
 
@@ -2232,8 +2170,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2246,7 +2182,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/imap';
 
@@ -2290,8 +2226,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2304,7 +2238,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/language';
 
@@ -2342,8 +2276,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2356,7 +2288,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/pop';
 
@@ -2394,8 +2326,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2408,7 +2338,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/vacation';
 
@@ -2465,8 +2395,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2479,7 +2407,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/delegates';
 
@@ -2520,8 +2448,6 @@
     core.String delegateEmail, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -2533,7 +2459,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/delegates/' +
         commons.Escaper.ecapeVariable('$delegateEmail');
@@ -2575,8 +2501,6 @@
     core.String delegateEmail, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -2588,7 +2512,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/delegates/' +
         commons.Escaper.ecapeVariable('$delegateEmail');
@@ -2625,8 +2549,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -2635,7 +2557,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/delegates';
 
@@ -2681,8 +2603,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2695,7 +2615,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/filters';
 
@@ -2730,8 +2650,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -2743,7 +2661,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/filters/' +
         commons.Escaper.ecapeVariable('$id');
@@ -2780,8 +2698,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -2793,7 +2709,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/filters/' +
         commons.Escaper.ecapeVariable('$id');
@@ -2827,8 +2743,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -2837,7 +2751,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/filters';
 
@@ -2887,8 +2801,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2901,7 +2813,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/forwardingAddresses';
 
@@ -2941,8 +2853,6 @@
     core.String forwardingEmail, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -2954,7 +2864,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/forwardingAddresses/' +
         commons.Escaper.ecapeVariable('$forwardingEmail');
@@ -2991,8 +2901,6 @@
     core.String forwardingEmail, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -3004,7 +2912,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/forwardingAddresses/' +
         commons.Escaper.ecapeVariable('$forwardingEmail');
@@ -3039,8 +2947,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -3049,7 +2955,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/forwardingAddresses';
 
@@ -3105,8 +3011,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3119,7 +3023,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/sendAs';
 
@@ -3158,8 +3062,6 @@
     core.String sendAsEmail, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -3171,7 +3073,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/sendAs/' +
         commons.Escaper.ecapeVariable('$sendAsEmail');
@@ -3211,8 +3113,6 @@
     core.String sendAsEmail, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -3224,7 +3124,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/sendAs/' +
         commons.Escaper.ecapeVariable('$sendAsEmail');
@@ -3261,8 +3161,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -3271,7 +3169,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/sendAs';
 
@@ -3311,8 +3209,6 @@
     core.String sendAsEmail, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3328,7 +3224,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/sendAs/' +
         commons.Escaper.ecapeVariable('$sendAsEmail');
@@ -3374,8 +3270,6 @@
     core.String sendAsEmail, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3391,7 +3285,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/sendAs/' +
         commons.Escaper.ecapeVariable('$sendAsEmail');
@@ -3430,8 +3324,6 @@
     core.String sendAsEmail, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -3443,7 +3335,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/sendAs/' +
         commons.Escaper.ecapeVariable('$sendAsEmail') +
@@ -3490,8 +3382,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -3506,7 +3396,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/sendAs/' +
         commons.Escaper.ecapeVariable('$sendAsEmail') +
@@ -3549,8 +3439,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -3565,7 +3453,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/sendAs/' +
         commons.Escaper.ecapeVariable('$sendAsEmail') +
@@ -3610,8 +3498,6 @@
     core.String sendAsEmail, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3627,7 +3513,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/sendAs/' +
         commons.Escaper.ecapeVariable('$sendAsEmail') +
@@ -3667,8 +3553,6 @@
     core.String sendAsEmail, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -3680,7 +3564,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/sendAs/' +
         commons.Escaper.ecapeVariable('$sendAsEmail') +
@@ -3721,8 +3605,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -3737,7 +3619,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/settings/sendAs/' +
         commons.Escaper.ecapeVariable('$sendAsEmail') +
@@ -3783,8 +3665,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -3796,7 +3676,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/threads/' +
         commons.Escaper.ecapeVariable('$id');
@@ -3847,8 +3727,6 @@
     core.List<core.String> metadataHeaders,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -3866,7 +3744,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/threads/' +
         commons.Escaper.ecapeVariable('$id');
@@ -3921,8 +3799,6 @@
     core.String q,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -3946,7 +3822,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/threads';
 
@@ -3988,8 +3864,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4005,7 +3879,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/threads/' +
         commons.Escaper.ecapeVariable('$id') +
@@ -4044,8 +3918,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -4057,7 +3929,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/threads/' +
         commons.Escaper.ecapeVariable('$id') +
@@ -4095,8 +3967,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (userId == null) {
       throw core.ArgumentError('Parameter userId is required.');
     }
@@ -4108,7 +3978,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'gmail/v1/users/' +
+    final _url = 'gmail/v1/users/' +
         commons.Escaper.ecapeVariable('$userId') +
         '/threads/' +
         commons.Escaper.ecapeVariable('$id') +

generated/googleapis/lib/gmailpostmastertools/v1.dart

diff --git a/generated/googleapis/lib/gmailpostmastertools/v1.dart b/generated/googleapis/lib/gmailpostmastertools/v1.dart
index b4eeeb5..db2c1dc 100644
--- a/generated/googleapis/lib/gmailpostmastertools/v1.dart
+++ b/generated/googleapis/lib/gmailpostmastertools/v1.dart
@@ -92,8 +92,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -102,7 +100,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -142,8 +140,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -155,7 +151,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/domains';
+    const _url = 'v1/domains';
 
     final _response = await _requester.request(
       _url,
@@ -198,8 +194,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -208,7 +202,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -281,8 +275,6 @@
     core.int startDate_year,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -315,7 +307,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/trafficStats';
 

generated/googleapis/lib/groupsmigration/v1.dart

diff --git a/generated/googleapis/lib/groupsmigration/v1.dart b/generated/googleapis/lib/groupsmigration/v1.dart
index b6ddf7e..57d6a37 100644
--- a/generated/googleapis/lib/groupsmigration/v1.dart
+++ b/generated/googleapis/lib/groupsmigration/v1.dart
@@ -92,8 +92,6 @@
     core.String $fields,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     if (groupId == null) {
       throw core.ArgumentError('Parameter groupId is required.');
     }
@@ -102,6 +100,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'groups/v1/groups/' +
           commons.Escaper.ecapeVariable('$groupId') +

generated/googleapis/lib/groupssettings/v1.dart

diff --git a/generated/googleapis/lib/groupssettings/v1.dart b/generated/googleapis/lib/groupssettings/v1.dart
index ced9bb7..4c3d13c 100644
--- a/generated/googleapis/lib/groupssettings/v1.dart
+++ b/generated/googleapis/lib/groupssettings/v1.dart
@@ -80,8 +80,6 @@
     core.String groupUniqueId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (groupUniqueId == null) {
       throw core.ArgumentError('Parameter groupUniqueId is required.');
     }
@@ -90,7 +88,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$groupUniqueId');
+    final _url = commons.Escaper.ecapeVariable('$groupUniqueId');
 
     final _response = await _requester.request(
       _url,
@@ -125,8 +123,6 @@
     core.String groupUniqueId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -139,7 +135,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$groupUniqueId');
+    final _url = commons.Escaper.ecapeVariable('$groupUniqueId');
 
     final _response = await _requester.request(
       _url,
@@ -173,8 +169,6 @@
     core.String groupUniqueId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -187,7 +181,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = commons.Escaper.ecapeVariable('$groupUniqueId');
+    final _url = commons.Escaper.ecapeVariable('$groupUniqueId');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/healthcare/v1.dart

diff --git a/generated/googleapis/lib/healthcare/v1.dart b/generated/googleapis/lib/healthcare/v1.dart
index 382b008..1a0f3c8 100644
--- a/generated/googleapis/lib/healthcare/v1.dart
+++ b/generated/googleapis/lib/healthcare/v1.dart
@@ -105,8 +105,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -115,7 +113,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -155,8 +153,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -174,7 +170,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -237,8 +233,6 @@
     core.String datasetId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -254,7 +248,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/datasets';
 
     final _response = await _requester.request(
@@ -301,8 +295,6 @@
     core.String sourceDataset, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -315,7 +307,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$sourceDataset') +
         ':deidentify';
 
@@ -355,8 +347,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -365,7 +355,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -398,8 +388,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -408,7 +396,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -454,8 +442,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -469,7 +455,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -511,8 +497,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -527,7 +511,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/datasets';
 
     final _response = await _requester.request(
@@ -570,8 +554,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -587,7 +569,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -628,8 +610,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -642,7 +622,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -687,8 +667,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -701,7 +679,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -758,8 +736,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -773,7 +749,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -815,8 +791,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -829,7 +803,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -874,8 +848,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -888,7 +860,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -941,8 +913,6 @@
     core.String dicomStoreId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -958,7 +928,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomStores';
 
@@ -1007,8 +977,6 @@
     core.String sourceStore, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1021,7 +989,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$sourceStore') +
         ':deidentify';
 
@@ -1057,8 +1025,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1067,7 +1033,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1109,8 +1075,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1123,7 +1087,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':export';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':export';
 
     final _response = await _requester.request(
       _url,
@@ -1156,8 +1121,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1166,7 +1129,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1213,8 +1176,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -1228,7 +1189,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -1271,8 +1232,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1285,7 +1244,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':import';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':import';
 
     final _response = await _requester.request(
       _url,
@@ -1331,8 +1291,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1350,7 +1308,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomStores';
 
@@ -1394,8 +1352,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1411,7 +1367,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1461,8 +1417,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1474,7 +1428,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -1524,8 +1478,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1537,7 +1489,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -1587,8 +1539,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1600,7 +1550,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -1643,8 +1593,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1657,7 +1605,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1711,8 +1659,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1728,7 +1674,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -1774,8 +1720,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1788,7 +1732,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -1849,8 +1793,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1862,7 +1804,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -1913,8 +1855,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1926,7 +1866,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -1976,8 +1916,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1989,7 +1927,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -2040,8 +1978,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2053,7 +1989,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -2103,8 +2039,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2116,7 +2050,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -2170,8 +2104,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2187,7 +2119,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -2252,8 +2184,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2265,7 +2195,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -2316,8 +2246,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2329,7 +2257,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -2379,8 +2307,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2392,7 +2318,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -2443,8 +2369,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2456,7 +2380,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -2519,8 +2443,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2532,7 +2454,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -2587,8 +2509,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2600,7 +2520,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -2654,8 +2574,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2667,7 +2585,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -2720,8 +2638,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2733,7 +2649,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -2794,8 +2710,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2807,7 +2721,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -2861,8 +2775,6 @@
     core.String dicomWebPath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2874,7 +2786,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dicomWeb/' +
         commons.Escaper.ecapeVariableReserved('$dicomWebPath');
@@ -2926,8 +2838,6 @@
     core.String fhirStoreId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2943,7 +2853,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/fhirStores';
 
@@ -2988,8 +2898,6 @@
     core.String sourceStore, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3002,7 +2910,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$sourceStore') +
         ':deidentify';
 
@@ -3037,8 +2945,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3047,7 +2953,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3092,8 +2998,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3106,7 +3010,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':export';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':export';
 
     final _response = await _requester.request(
       _url,
@@ -3139,8 +3044,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3149,7 +3052,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3195,8 +3098,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -3210,7 +3111,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -3305,8 +3206,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3319,7 +3218,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':import';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':import';
 
     final _response = await _requester.request(
       _url,
@@ -3365,8 +3265,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3384,7 +3282,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/fhirStores';
 
@@ -3428,8 +3326,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3445,7 +3341,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3486,8 +3382,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3500,7 +3394,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -3545,8 +3439,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3559,7 +3451,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -3654,8 +3546,6 @@
     core.String start,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3682,7 +3572,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/\$everything';
 
@@ -3723,8 +3613,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3733,7 +3621,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/\$purge';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/\$purge';
 
     final _response = await _requester.request(
       _url,
@@ -3779,8 +3668,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3789,7 +3676,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/fhir/metadata';
 
@@ -3851,8 +3738,6 @@
     core.String type, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3868,7 +3753,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/fhir/' +
         commons.Escaper.ecapeVariableReserved('$type');
@@ -3915,8 +3800,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3925,7 +3808,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3987,8 +3870,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4001,7 +3882,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/fhir';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/fhir';
 
     final _response = await _requester.request(
       _url,
@@ -4075,8 +3957,6 @@
     core.String P_since,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4097,7 +3977,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/_history';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/_history';
 
     final _response = await _requester.request(
       _url,
@@ -4148,8 +4029,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4162,7 +4041,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4213,8 +4092,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4223,7 +4100,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4304,8 +4181,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4318,7 +4193,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/fhir/_search';
 
@@ -4409,8 +4284,6 @@
     core.String resourceType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4426,7 +4299,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/fhir/' +
         commons.Escaper.ecapeVariable('$resourceType') +
@@ -4489,8 +4362,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4503,7 +4374,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4549,8 +4420,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4559,7 +4428,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4608,8 +4477,6 @@
     core.String hl7V2StoreId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4625,7 +4492,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/hl7V2Stores';
 
@@ -4662,8 +4529,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4672,7 +4537,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4704,8 +4569,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4714,7 +4577,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4761,8 +4624,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -4776,7 +4637,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -4823,8 +4684,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -4842,7 +4701,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/hl7V2Stores';
 
@@ -4886,8 +4745,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4903,7 +4760,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4945,8 +4802,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4959,7 +4814,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -5004,8 +4859,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5018,7 +4871,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -5072,8 +4925,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5086,7 +4937,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/messages';
 
     final _response = await _requester.request(
@@ -5120,8 +4971,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5130,7 +4979,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5174,8 +5023,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5187,7 +5034,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5232,8 +5079,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5246,7 +5091,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/messages:ingest';
 
@@ -5333,8 +5178,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -5358,7 +5201,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/messages';
 
     final _response = await _requester.request(
@@ -5408,8 +5251,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5425,7 +5266,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5477,8 +5318,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5491,7 +5330,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -5527,8 +5367,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5537,7 +5375,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5587,8 +5425,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5606,7 +5442,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(

generated/googleapis/lib/homegraph/v1.dart

diff --git a/generated/googleapis/lib/homegraph/v1.dart b/generated/googleapis/lib/homegraph/v1.dart
index aeaccdc..810af31 100644
--- a/generated/googleapis/lib/homegraph/v1.dart
+++ b/generated/googleapis/lib/homegraph/v1.dart
@@ -89,8 +89,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (agentUserId == null) {
       throw core.ArgumentError('Parameter agentUserId is required.');
     }
@@ -102,7 +100,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$agentUserId');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$agentUserId');
 
     final _response = await _requester.request(
       _url,
@@ -143,8 +141,6 @@
     QueryRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -154,7 +150,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/devices:query';
+    const _url = 'v1/devices:query';
 
     final _response = await _requester.request(
       _url,
@@ -198,8 +194,6 @@
     ReportStateAndNotificationRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -209,7 +203,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/devices:reportStateAndNotification';
+    const _url = 'v1/devices:reportStateAndNotification';
 
     final _response = await _requester.request(
       _url,
@@ -247,8 +241,6 @@
     RequestSyncDevicesRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -258,7 +250,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/devices:requestSync';
+    const _url = 'v1/devices:requestSync';
 
     final _response = await _requester.request(
       _url,
@@ -294,8 +286,6 @@
     SyncRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -305,7 +295,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/devices:sync';
+    const _url = 'v1/devices:sync';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/iam/v1.dart

diff --git a/generated/googleapis/lib/iam/v1.dart b/generated/googleapis/lib/iam/v1.dart
index 330ca52..4e9f110 100644
--- a/generated/googleapis/lib/iam/v1.dart
+++ b/generated/googleapis/lib/iam/v1.dart
@@ -105,8 +105,6 @@
     LintPolicyRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -116,7 +114,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/iamPolicies:lintPolicy';
+    const _url = 'v1/iamPolicies:lintPolicy';
 
     final _response = await _requester.request(
       _url,
@@ -152,8 +150,6 @@
     QueryAuditableServicesRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -163,7 +159,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/iamPolicies:queryAuditableServices';
+    const _url = 'v1/iamPolicies:queryAuditableServices';
 
     final _response = await _requester.request(
       _url,
@@ -228,8 +224,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -242,7 +236,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/roles';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/roles';
 
     final _response = await _requester.request(
       _url,
@@ -302,8 +297,6 @@
     core.String etag,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -315,7 +308,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -367,8 +360,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -377,7 +368,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -449,8 +440,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -471,7 +460,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/roles';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/roles';
 
     final _response = await _requester.request(
       _url,
@@ -525,8 +515,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -542,7 +530,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -593,8 +581,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -607,7 +593,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
 
     final _response = await _requester.request(
       _url,
@@ -647,8 +634,6 @@
     QueryTestablePermissionsRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -658,7 +643,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/permissions:queryTestablePermissions';
+    const _url = 'v1/permissions:queryTestablePermissions';
 
     final _response = await _requester.request(
       _url,
@@ -736,8 +721,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -746,7 +729,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -802,8 +785,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -812,7 +793,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -866,8 +847,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -880,7 +859,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/roles';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/roles';
 
     final _response = await _requester.request(
       _url,
@@ -940,8 +920,6 @@
     core.String etag,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -953,7 +931,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1005,8 +983,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1015,7 +991,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1087,8 +1063,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1109,7 +1083,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/roles';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/roles';
 
     final _response = await _requester.request(
       _url,
@@ -1163,8 +1138,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1180,7 +1153,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1231,8 +1204,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1245,7 +1216,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
 
     final _response = await _requester.request(
       _url,
@@ -1291,8 +1263,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1305,7 +1275,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/serviceAccounts';
 
@@ -1355,8 +1325,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1365,7 +1333,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1415,8 +1383,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1429,7 +1395,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':disable';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':disable';
 
     final _response = await _requester.request(
       _url,
@@ -1473,8 +1440,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1487,7 +1452,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':enable';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':enable';
 
     final _response = await _requester.request(
       _url,
@@ -1523,8 +1489,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1533,7 +1497,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1585,8 +1549,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -1600,7 +1562,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -1644,8 +1606,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1660,7 +1620,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/serviceAccounts';
 
@@ -1708,8 +1668,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1722,7 +1680,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1770,8 +1728,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1784,7 +1740,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1835,8 +1791,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1849,7 +1803,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':signBlob';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':signBlob';
 
     final _response = await _requester.request(
       _url,
@@ -1899,8 +1854,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1913,7 +1866,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':signJwt';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':signJwt';
 
     final _response = await _requester.request(
       _url,
@@ -1952,8 +1906,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1966,7 +1918,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -2012,8 +1964,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2026,7 +1976,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
 
     final _response = await _requester.request(
       _url,
@@ -2076,8 +2027,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2090,7 +2039,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2137,8 +2086,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2151,7 +2098,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/keys';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/keys';
 
     final _response = await _requester.request(
       _url,
@@ -2193,8 +2141,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2203,7 +2149,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2248,8 +2194,6 @@
     core.String publicKeyType,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2261,7 +2205,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2302,8 +2246,6 @@
     core.List<core.String> keyTypes,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2315,7 +2257,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/keys';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/keys';
 
     final _response = await _requester.request(
       _url,
@@ -2354,8 +2297,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2368,7 +2309,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/keys:upload';
 
     final _response = await _requester.request(
@@ -2429,8 +2370,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2439,7 +2378,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2510,8 +2449,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -2532,7 +2469,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/roles';
+    const _url = 'v1/roles';
 
     final _response = await _requester.request(
       _url,
@@ -2566,8 +2503,6 @@
     QueryGrantableRolesRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2577,7 +2512,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/roles:queryGrantableRoles';
+    const _url = 'v1/roles:queryGrantableRoles';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/iamcredentials/v1.dart

diff --git a/generated/googleapis/lib/iamcredentials/v1.dart b/generated/googleapis/lib/iamcredentials/v1.dart
index eb5fa58..a456cb7 100644
--- a/generated/googleapis/lib/iamcredentials/v1.dart
+++ b/generated/googleapis/lib/iamcredentials/v1.dart
@@ -101,8 +101,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -115,7 +113,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':generateAccessToken';
 
@@ -156,8 +154,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -170,7 +166,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':generateIdToken';
 
@@ -211,8 +207,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -225,7 +219,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':signBlob';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':signBlob';
 
     final _response = await _requester.request(
       _url,
@@ -264,8 +259,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -278,7 +271,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':signJwt';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':signJwt';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/iap/v1.dart

diff --git a/generated/googleapis/lib/iap/v1.dart b/generated/googleapis/lib/iap/v1.dart
index 99f9bb6..8012f53 100644
--- a/generated/googleapis/lib/iap/v1.dart
+++ b/generated/googleapis/lib/iap/v1.dart
@@ -107,8 +107,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -121,7 +119,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/brands';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/brands';
 
     final _response = await _requester.request(
       _url,
@@ -154,8 +153,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -164,7 +161,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -196,8 +193,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -206,7 +201,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/brands';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/brands';
 
     final _response = await _requester.request(
       _url,
@@ -253,8 +249,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -267,7 +261,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/identityAwareProxyClients';
 
@@ -309,8 +303,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -319,7 +311,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -355,8 +347,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -365,7 +355,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -411,8 +401,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -427,7 +415,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/identityAwareProxyClients';
 
@@ -470,8 +458,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -484,7 +470,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':resetSecret';
 
     final _response = await _requester.request(
@@ -533,8 +519,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -547,7 +531,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -583,8 +567,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -593,7 +575,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':iapSettings';
 
     final _response = await _requester.request(
@@ -636,8 +618,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -650,7 +630,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -693,8 +673,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -707,7 +685,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -752,8 +730,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -769,7 +745,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':iapSettings';
 
     final _response = await _requester.request(

generated/googleapis/lib/identitytoolkit/v3.dart

diff --git a/generated/googleapis/lib/identitytoolkit/v3.dart b/generated/googleapis/lib/identitytoolkit/v3.dart
index 7485c03..d603097 100644
--- a/generated/googleapis/lib/identitytoolkit/v3.dart
+++ b/generated/googleapis/lib/identitytoolkit/v3.dart
@@ -84,8 +84,6 @@
     IdentitytoolkitRelyingpartyCreateAuthUriRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -95,7 +93,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'createAuthUri';
+    const _url = 'createAuthUri';
 
     final _response = await _requester.request(
       _url,
@@ -127,8 +125,6 @@
     IdentitytoolkitRelyingpartyDeleteAccountRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -138,7 +134,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'deleteAccount';
+    const _url = 'deleteAccount';
 
     final _response = await _requester.request(
       _url,
@@ -170,8 +166,6 @@
     IdentitytoolkitRelyingpartyDownloadAccountRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -181,7 +175,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'downloadAccount';
+    const _url = 'downloadAccount';
 
     final _response = await _requester.request(
       _url,
@@ -213,8 +207,6 @@
     IdentitytoolkitRelyingpartyEmailLinkSigninRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -224,7 +216,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'emailLinkSignin';
+    const _url = 'emailLinkSignin';
 
     final _response = await _requester.request(
       _url,
@@ -256,8 +248,6 @@
     IdentitytoolkitRelyingpartyGetAccountInfoRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -267,7 +257,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'getAccountInfo';
+    const _url = 'getAccountInfo';
 
     final _response = await _requester.request(
       _url,
@@ -299,8 +289,6 @@
     Relyingparty request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -310,7 +298,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'getOobConfirmationCode';
+    const _url = 'getOobConfirmationCode';
 
     final _response = await _requester.request(
       _url,
@@ -346,8 +334,6 @@
     core.String projectNumber,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (delegatedProjectNumber != null) {
       _queryParams['delegatedProjectNumber'] = [delegatedProjectNumber];
@@ -359,7 +345,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'getProjectConfig';
+    const _url = 'getProjectConfig';
 
     final _response = await _requester.request(
       _url,
@@ -387,14 +373,12 @@
   async.Future<IdentitytoolkitRelyingpartyGetPublicKeysResponse> getPublicKeys({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'publicKeys';
+    const _url = 'publicKeys';
 
     final _response = await _requester.request(
       _url,
@@ -422,14 +406,12 @@
   async.Future<GetRecaptchaParamResponse> getRecaptchaParam({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'getRecaptchaParam';
+    const _url = 'getRecaptchaParam';
 
     final _response = await _requester.request(
       _url,
@@ -460,8 +442,6 @@
     IdentitytoolkitRelyingpartyResetPasswordRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -471,7 +451,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'resetPassword';
+    const _url = 'resetPassword';
 
     final _response = await _requester.request(
       _url,
@@ -505,8 +485,6 @@
     IdentitytoolkitRelyingpartySendVerificationCodeRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -516,7 +494,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'sendVerificationCode';
+    const _url = 'sendVerificationCode';
 
     final _response = await _requester.request(
       _url,
@@ -548,8 +526,6 @@
     IdentitytoolkitRelyingpartySetAccountInfoRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -559,7 +535,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'setAccountInfo';
+    const _url = 'setAccountInfo';
 
     final _response = await _requester.request(
       _url,
@@ -592,8 +568,6 @@
     IdentitytoolkitRelyingpartySetProjectConfigRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -603,7 +577,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'setProjectConfig';
+    const _url = 'setProjectConfig';
 
     final _response = await _requester.request(
       _url,
@@ -635,8 +609,6 @@
     IdentitytoolkitRelyingpartySignOutUserRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -646,7 +618,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'signOutUser';
+    const _url = 'signOutUser';
 
     final _response = await _requester.request(
       _url,
@@ -678,8 +650,6 @@
     IdentitytoolkitRelyingpartySignupNewUserRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -689,7 +659,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'signupNewUser';
+    const _url = 'signupNewUser';
 
     final _response = await _requester.request(
       _url,
@@ -721,8 +691,6 @@
     IdentitytoolkitRelyingpartyUploadAccountRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -732,7 +700,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'uploadAccount';
+    const _url = 'uploadAccount';
 
     final _response = await _requester.request(
       _url,
@@ -764,8 +732,6 @@
     IdentitytoolkitRelyingpartyVerifyAssertionRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -775,7 +741,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'verifyAssertion';
+    const _url = 'verifyAssertion';
 
     final _response = await _requester.request(
       _url,
@@ -807,8 +773,6 @@
     IdentitytoolkitRelyingpartyVerifyCustomTokenRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -818,7 +782,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'verifyCustomToken';
+    const _url = 'verifyCustomToken';
 
     final _response = await _requester.request(
       _url,
@@ -850,8 +814,6 @@
     IdentitytoolkitRelyingpartyVerifyPasswordRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -861,7 +823,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'verifyPassword';
+    const _url = 'verifyPassword';
 
     final _response = await _requester.request(
       _url,
@@ -895,8 +857,6 @@
     IdentitytoolkitRelyingpartyVerifyPhoneNumberRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -906,7 +866,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'verifyPhoneNumber';
+    const _url = 'verifyPhoneNumber';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/indexing/v3.dart

diff --git a/generated/googleapis/lib/indexing/v3.dart b/generated/googleapis/lib/indexing/v3.dart
index 805b5e6..bce2b50 100644
--- a/generated/googleapis/lib/indexing/v3.dart
+++ b/generated/googleapis/lib/indexing/v3.dart
@@ -84,8 +84,6 @@
     core.String url,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (url != null) {
       _queryParams['url'] = [url];
@@ -94,7 +92,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/urlNotifications/metadata';
+    const _url = 'v3/urlNotifications/metadata';
 
     final _response = await _requester.request(
       _url,
@@ -125,8 +123,6 @@
     UrlNotification request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -136,7 +132,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/urlNotifications:publish';
+    const _url = 'v3/urlNotifications:publish';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/jobs/v3.dart

diff --git a/generated/googleapis/lib/jobs/v3.dart b/generated/googleapis/lib/jobs/v3.dart
index 4d2c106..f7506fa 100644
--- a/generated/googleapis/lib/jobs/v3.dart
+++ b/generated/googleapis/lib/jobs/v3.dart
@@ -155,8 +155,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -186,7 +184,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':complete';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':complete';
 
     final _response = await _requester.request(
       _url,
@@ -234,8 +233,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -248,7 +245,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/clientEvents';
 
@@ -294,8 +291,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -308,7 +303,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/companies';
 
     final _response = await _requester.request(
@@ -345,8 +340,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -355,7 +348,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -388,8 +381,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -398,7 +389,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -444,8 +435,6 @@
     core.bool requireOpenJobs,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -463,7 +452,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/companies';
 
     final _response = await _requester.request(
@@ -505,8 +494,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -519,7 +506,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -562,8 +549,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -576,7 +561,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/jobs:batchDelete';
 
@@ -618,8 +603,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -632,7 +615,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
 
     final _response = await _requester.request(
       _url,
@@ -669,8 +653,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -679,7 +661,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -713,8 +695,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -723,7 +703,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -790,8 +770,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -812,7 +790,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
 
     final _response = await _requester.request(
       _url,
@@ -855,8 +834,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -869,7 +846,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -909,8 +886,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -923,7 +898,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/jobs:search';
 
@@ -970,8 +945,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -984,7 +957,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/jobs:searchForAlert';
 

generated/googleapis/lib/jobs/v4.dart

diff --git a/generated/googleapis/lib/jobs/v4.dart b/generated/googleapis/lib/jobs/v4.dart
index 77843e8..e7aa368 100644
--- a/generated/googleapis/lib/jobs/v4.dart
+++ b/generated/googleapis/lib/jobs/v4.dart
@@ -154,8 +154,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (tenant == null) {
       throw core.ArgumentError('Parameter tenant is required.');
     }
@@ -182,7 +180,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' +
+    final _url = 'v4/' +
         commons.Escaper.ecapeVariableReserved('$tenant') +
         ':completeQuery';
 
@@ -221,8 +219,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -235,7 +231,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v4/' + commons.Escaper.ecapeVariableReserved('$parent') + '/tenants';
 
     final _response = await _requester.request(
@@ -270,8 +266,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -280,7 +274,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -313,8 +307,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -323,7 +315,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -363,8 +355,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -379,7 +369,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v4/' + commons.Escaper.ecapeVariableReserved('$parent') + '/tenants';
 
     final _response = await _requester.request(
@@ -424,8 +414,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -441,7 +429,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -491,8 +479,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -505,7 +491,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' +
+    final _url = 'v4/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/clientEvents';
 
@@ -552,8 +538,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -566,7 +550,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v4/' + commons.Escaper.ecapeVariableReserved('$parent') + '/companies';
 
     final _response = await _requester.request(
@@ -605,8 +589,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -615,7 +597,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -650,8 +632,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -660,7 +640,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -705,8 +685,6 @@
     core.bool requireOpenJobs,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -724,7 +702,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v4/' + commons.Escaper.ecapeVariableReserved('$parent') + '/companies';
 
     final _response = await _requester.request(
@@ -770,8 +748,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -787,7 +763,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -831,8 +807,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -845,7 +819,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' +
+    final _url = 'v4/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/jobs:batchCreate';
 
@@ -885,8 +859,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -899,7 +871,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' +
+    final _url = 'v4/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/jobs:batchDelete';
 
@@ -938,8 +910,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -952,7 +922,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' +
+    final _url = 'v4/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/jobs:batchUpdate';
 
@@ -994,8 +964,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1008,7 +976,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
+    final _url =
+        'v4/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
 
     final _response = await _requester.request(
       _url,
@@ -1045,8 +1014,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1055,7 +1022,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1089,8 +1056,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1099,7 +1064,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1168,8 +1133,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1190,7 +1153,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
+    final _url =
+        'v4/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
 
     final _response = await _requester.request(
       _url,
@@ -1239,8 +1203,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1256,7 +1218,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v4/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1296,8 +1258,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1310,7 +1270,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' +
+    final _url = 'v4/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/jobs:search';
 
@@ -1357,8 +1317,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1371,7 +1329,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/' +
+    final _url = 'v4/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/jobs:searchForAlert';
 

generated/googleapis/lib/kgsearch/v1.dart

diff --git a/generated/googleapis/lib/kgsearch/v1.dart b/generated/googleapis/lib/kgsearch/v1.dart
index 1103f29..2634eda 100644
--- a/generated/googleapis/lib/kgsearch/v1.dart
+++ b/generated/googleapis/lib/kgsearch/v1.dart
@@ -100,8 +100,6 @@
     core.List<core.String> types,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (ids != null) {
       _queryParams['ids'] = ids;
@@ -128,7 +126,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/entities:search';
+    const _url = 'v1/entities:search';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/language/v1.dart

diff --git a/generated/googleapis/lib/language/v1.dart b/generated/googleapis/lib/language/v1.dart
index feb07de..7349f28 100644
--- a/generated/googleapis/lib/language/v1.dart
+++ b/generated/googleapis/lib/language/v1.dart
@@ -89,8 +89,6 @@
     AnalyzeEntitiesRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -100,7 +98,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/documents:analyzeEntities';
+    const _url = 'v1/documents:analyzeEntities';
 
     final _response = await _requester.request(
       _url,
@@ -133,8 +131,6 @@
     AnalyzeEntitySentimentRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -144,7 +140,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/documents:analyzeEntitySentiment';
+    const _url = 'v1/documents:analyzeEntitySentiment';
 
     final _response = await _requester.request(
       _url,
@@ -176,8 +172,6 @@
     AnalyzeSentimentRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -187,7 +181,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/documents:analyzeSentiment';
+    const _url = 'v1/documents:analyzeSentiment';
 
     final _response = await _requester.request(
       _url,
@@ -221,8 +215,6 @@
     AnalyzeSyntaxRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -232,7 +224,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/documents:analyzeSyntax';
+    const _url = 'v1/documents:analyzeSyntax';
 
     final _response = await _requester.request(
       _url,
@@ -265,8 +257,6 @@
     AnnotateTextRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -276,7 +266,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/documents:annotateText';
+    const _url = 'v1/documents:annotateText';
 
     final _response = await _requester.request(
       _url,
@@ -308,8 +298,6 @@
     ClassifyTextRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -319,7 +307,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/documents:classifyText';
+    const _url = 'v1/documents:classifyText';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/libraryagent/v1.dart

diff --git a/generated/googleapis/lib/libraryagent/v1.dart b/generated/googleapis/lib/libraryagent/v1.dart
index f6ca1c6..c79b969 100644
--- a/generated/googleapis/lib/libraryagent/v1.dart
+++ b/generated/googleapis/lib/libraryagent/v1.dart
@@ -84,8 +84,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -94,7 +92,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -135,8 +133,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -148,7 +144,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/shelves';
+    const _url = 'v1/shelves';
 
     final _response = await _requester.request(
       _url,
@@ -190,8 +186,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -200,7 +194,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':borrow';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':borrow';
 
     final _response = await _requester.request(
       _url,
@@ -234,8 +229,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -244,7 +237,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -289,8 +282,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -305,7 +296,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/books';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/books';
 
     final _response = await _requester.request(
       _url,
@@ -341,8 +333,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -351,7 +341,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':return';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':return';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/licensing/v1.dart

diff --git a/generated/googleapis/lib/licensing/v1.dart b/generated/googleapis/lib/licensing/v1.dart
index cfc721a..770b8bd 100644
--- a/generated/googleapis/lib/licensing/v1.dart
+++ b/generated/googleapis/lib/licensing/v1.dart
@@ -95,8 +95,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (productId == null) {
       throw core.ArgumentError('Parameter productId is required.');
     }
@@ -111,7 +109,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/licensing/v1/product/' +
+    final _url = 'apps/licensing/v1/product/' +
         commons.Escaper.ecapeVariable('$productId') +
         '/sku/' +
         commons.Escaper.ecapeVariable('$skuId') +
@@ -158,8 +156,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (productId == null) {
       throw core.ArgumentError('Parameter productId is required.');
     }
@@ -174,7 +170,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/licensing/v1/product/' +
+    final _url = 'apps/licensing/v1/product/' +
         commons.Escaper.ecapeVariable('$productId') +
         '/sku/' +
         commons.Escaper.ecapeVariable('$skuId') +
@@ -218,8 +214,6 @@
     core.String skuId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -235,7 +229,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/licensing/v1/product/' +
+    final _url = 'apps/licensing/v1/product/' +
         commons.Escaper.ecapeVariable('$productId') +
         '/sku/' +
         commons.Escaper.ecapeVariable('$skuId') +
@@ -289,8 +283,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (productId == null) {
       throw core.ArgumentError('Parameter productId is required.');
     }
@@ -309,7 +301,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/licensing/v1/product/' +
+    final _url = 'apps/licensing/v1/product/' +
         commons.Escaper.ecapeVariable('$productId') +
         '/users';
 
@@ -364,8 +356,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (productId == null) {
       throw core.ArgumentError('Parameter productId is required.');
     }
@@ -387,7 +377,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/licensing/v1/product/' +
+    final _url = 'apps/licensing/v1/product/' +
         commons.Escaper.ecapeVariable('$productId') +
         '/sku/' +
         commons.Escaper.ecapeVariable('$skuId') +
@@ -439,8 +429,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -459,7 +447,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/licensing/v1/product/' +
+    final _url = 'apps/licensing/v1/product/' +
         commons.Escaper.ecapeVariable('$productId') +
         '/sku/' +
         commons.Escaper.ecapeVariable('$skuId') +
@@ -511,8 +499,6 @@
     core.String userId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -531,7 +517,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/licensing/v1/product/' +
+    final _url = 'apps/licensing/v1/product/' +
         commons.Escaper.ecapeVariable('$productId') +
         '/sku/' +
         commons.Escaper.ecapeVariable('$skuId') +

generated/googleapis/lib/localservices/v1.dart

diff --git a/generated/googleapis/lib/localservices/v1.dart b/generated/googleapis/lib/localservices/v1.dart
index b65da73..4f9e4db 100644
--- a/generated/googleapis/lib/localservices/v1.dart
+++ b/generated/googleapis/lib/localservices/v1.dart
@@ -126,8 +126,6 @@
     core.int startDate_year,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (endDate_day != null) {
       _queryParams['endDate.day'] = ['${endDate_day}'];
@@ -160,7 +158,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/accountReports:search';
+    const _url = 'v1/accountReports:search';
 
     final _response = await _requester.request(
       _url,
@@ -247,8 +245,6 @@
     core.int startDate_year,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (endDate_day != null) {
       _queryParams['endDate.day'] = ['${endDate_day}'];
@@ -281,7 +277,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/detailedLeadReports:search';
+    const _url = 'v1/detailedLeadReports:search';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/logging/v2.dart

diff --git a/generated/googleapis/lib/logging/v2.dart b/generated/googleapis/lib/logging/v2.dart
index 50e79a8..7f11019 100644
--- a/generated/googleapis/lib/logging/v2.dart
+++ b/generated/googleapis/lib/logging/v2.dart
@@ -181,8 +181,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -191,7 +189,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -233,8 +231,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -243,7 +239,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -290,8 +286,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -304,7 +298,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/exclusions';
 
@@ -344,8 +338,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -354,7 +346,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -390,8 +382,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -400,7 +390,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -445,8 +435,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -461,7 +449,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/exclusions';
 
@@ -511,8 +499,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -528,7 +514,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -571,8 +557,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -581,7 +565,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -621,8 +605,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -640,7 +622,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -695,8 +677,6 @@
     core.String bucketId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -712,7 +692,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/buckets';
 
     final _response = await _requester.request(
@@ -755,8 +735,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -765,7 +743,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -813,8 +791,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -829,7 +805,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/buckets';
 
     final _response = await _requester.request(
@@ -889,8 +865,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -906,7 +880,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -951,8 +925,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -965,7 +937,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
 
     final _response = await _requester.request(
       _url,
@@ -1016,8 +989,6 @@
     core.String viewId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1033,7 +1004,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
 
     final _response = await _requester.request(
       _url,
@@ -1069,8 +1041,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1079,7 +1049,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1123,8 +1093,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1139,7 +1107,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
 
     final _response = await _requester.request(
       _url,
@@ -1189,8 +1158,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1206,7 +1173,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1257,8 +1224,6 @@
     core.String logName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (logName == null) {
       throw core.ArgumentError('Parameter logName is required.');
     }
@@ -1267,7 +1232,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$logName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$logName');
 
     final _response = await _requester.request(
       _url,
@@ -1323,8 +1288,6 @@
     core.List<core.String> resourceNames,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1342,7 +1305,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/logs';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/logs';
 
     final _response = await _requester.request(
       _url,
@@ -1403,8 +1367,6 @@
     core.bool uniqueWriterIdentity,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1420,7 +1382,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
 
     final _response = await _requester.request(
       _url,
@@ -1461,8 +1424,6 @@
     core.String sinkName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (sinkName == null) {
       throw core.ArgumentError('Parameter sinkName is required.');
     }
@@ -1471,7 +1432,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -1507,8 +1468,6 @@
     core.String sinkName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (sinkName == null) {
       throw core.ArgumentError('Parameter sinkName is required.');
     }
@@ -1517,7 +1476,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -1561,8 +1520,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1577,7 +1534,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
 
     final _response = await _requester.request(
       _url,
@@ -1643,8 +1601,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1663,7 +1619,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -1729,8 +1685,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1749,7 +1703,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -1791,8 +1745,6 @@
     ListLogEntriesRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1802,7 +1754,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/entries:list';
+    const _url = 'v2/entries:list';
 
     final _response = await _requester.request(
       _url,
@@ -1836,8 +1788,6 @@
     TailLogEntriesRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1847,7 +1797,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/entries:tail';
+    const _url = 'v2/entries:tail';
 
     final _response = await _requester.request(
       _url,
@@ -1885,8 +1835,6 @@
     WriteLogEntriesRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1896,7 +1844,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/entries:write';
+    const _url = 'v2/entries:write';
 
     final _response = await _requester.request(
       _url,
@@ -1944,8 +1892,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1958,7 +1904,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/exclusions';
 
@@ -1998,8 +1944,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2008,7 +1952,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2044,8 +1988,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2054,7 +1996,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2099,8 +2041,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2115,7 +2055,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/exclusions';
 
@@ -2165,8 +2105,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2182,7 +2120,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2243,8 +2181,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2257,7 +2193,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/exclusions';
 
@@ -2297,8 +2233,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2307,7 +2241,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2343,8 +2277,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2353,7 +2285,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2398,8 +2330,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2414,7 +2344,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/exclusions';
 
@@ -2464,8 +2394,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2481,7 +2409,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2523,8 +2451,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2533,7 +2459,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2573,8 +2499,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2592,7 +2516,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -2647,8 +2571,6 @@
     core.String bucketId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2664,7 +2586,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/buckets';
 
     final _response = await _requester.request(
@@ -2707,8 +2629,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2717,7 +2637,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2755,8 +2675,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2765,7 +2683,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2813,8 +2731,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2829,7 +2745,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/buckets';
 
     final _response = await _requester.request(
@@ -2889,8 +2805,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2906,7 +2820,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2951,8 +2865,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2965,7 +2877,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
 
     final _response = await _requester.request(
       _url,
@@ -3016,8 +2929,6 @@
     core.String viewId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3033,7 +2944,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
 
     final _response = await _requester.request(
       _url,
@@ -3069,8 +2981,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3079,7 +2989,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3114,8 +3024,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3124,7 +3032,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3168,8 +3076,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3184,7 +3090,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
 
     final _response = await _requester.request(
       _url,
@@ -3234,8 +3141,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3251,7 +3156,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3301,8 +3206,6 @@
     core.String logName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (logName == null) {
       throw core.ArgumentError('Parameter logName is required.');
     }
@@ -3311,7 +3214,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$logName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$logName');
 
     final _response = await _requester.request(
       _url,
@@ -3367,8 +3270,6 @@
     core.List<core.String> resourceNames,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3386,7 +3287,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/logs';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/logs';
 
     final _response = await _requester.request(
       _url,
@@ -3446,8 +3348,6 @@
     core.bool uniqueWriterIdentity,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3463,7 +3363,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
 
     final _response = await _requester.request(
       _url,
@@ -3504,8 +3405,6 @@
     core.String sinkName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (sinkName == null) {
       throw core.ArgumentError('Parameter sinkName is required.');
     }
@@ -3514,7 +3413,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -3550,8 +3449,6 @@
     core.String sinkName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (sinkName == null) {
       throw core.ArgumentError('Parameter sinkName is required.');
     }
@@ -3560,7 +3457,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -3604,8 +3501,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3620,7 +3515,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
 
     final _response = await _requester.request(
       _url,
@@ -3686,8 +3582,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3706,7 +3600,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -3772,8 +3666,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3792,7 +3684,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -3832,8 +3724,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3842,7 +3732,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3882,8 +3772,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3901,7 +3789,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -3955,8 +3843,6 @@
     core.String bucketId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3972,7 +3858,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/buckets';
 
     final _response = await _requester.request(
@@ -4015,8 +3901,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4025,7 +3909,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4063,8 +3947,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4073,7 +3955,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4121,8 +4003,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -4137,7 +4017,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/buckets';
 
     final _response = await _requester.request(
@@ -4197,8 +4077,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4214,7 +4092,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4259,8 +4137,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4273,7 +4149,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
 
     final _response = await _requester.request(
       _url,
@@ -4324,8 +4201,6 @@
     core.String viewId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4341,7 +4216,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
 
     final _response = await _requester.request(
       _url,
@@ -4377,8 +4253,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4387,7 +4261,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4422,8 +4296,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4432,7 +4304,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4476,8 +4348,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -4492,7 +4362,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
 
     final _response = await _requester.request(
       _url,
@@ -4542,8 +4413,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4559,7 +4428,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4609,8 +4478,6 @@
     core.String logName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (logName == null) {
       throw core.ArgumentError('Parameter logName is required.');
     }
@@ -4619,7 +4486,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$logName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$logName');
 
     final _response = await _requester.request(
       _url,
@@ -4675,8 +4542,6 @@
     core.List<core.String> resourceNames,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -4694,7 +4559,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/logs';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/logs';
 
     final _response = await _requester.request(
       _url,
@@ -4740,8 +4606,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -4753,7 +4617,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/monitoredResourceDescriptors';
+    const _url = 'v2/monitoredResourceDescriptors';
 
     final _response = await _requester.request(
       _url,
@@ -4812,8 +4676,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4822,7 +4684,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/cmekSettings';
 
@@ -4882,8 +4744,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4899,7 +4759,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/cmekSettings';
 
@@ -4950,8 +4810,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4964,7 +4822,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/exclusions';
 
@@ -5004,8 +4862,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5014,7 +4870,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5050,8 +4906,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5060,7 +4914,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5105,8 +4959,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -5121,7 +4973,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/exclusions';
 
@@ -5171,8 +5023,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5188,7 +5038,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5231,8 +5081,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5241,7 +5089,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5281,8 +5129,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5300,7 +5146,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -5355,8 +5201,6 @@
     core.String bucketId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5372,7 +5216,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/buckets';
 
     final _response = await _requester.request(
@@ -5415,8 +5259,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5425,7 +5267,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5463,8 +5305,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5473,7 +5313,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5521,8 +5361,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -5537,7 +5375,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/buckets';
 
     final _response = await _requester.request(
@@ -5597,8 +5435,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5614,7 +5450,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5659,8 +5495,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5673,7 +5507,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
 
     final _response = await _requester.request(
       _url,
@@ -5724,8 +5559,6 @@
     core.String viewId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5741,7 +5574,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
 
     final _response = await _requester.request(
       _url,
@@ -5777,8 +5611,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5787,7 +5619,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5822,8 +5654,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -5832,7 +5662,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -5876,8 +5706,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -5892,7 +5720,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
 
     final _response = await _requester.request(
       _url,
@@ -5942,8 +5771,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5959,7 +5786,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6009,8 +5836,6 @@
     core.String logName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (logName == null) {
       throw core.ArgumentError('Parameter logName is required.');
     }
@@ -6019,7 +5844,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$logName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$logName');
 
     final _response = await _requester.request(
       _url,
@@ -6075,8 +5900,6 @@
     core.List<core.String> resourceNames,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -6094,7 +5917,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/logs';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/logs';
 
     final _response = await _requester.request(
       _url,
@@ -6154,8 +5978,6 @@
     core.bool uniqueWriterIdentity,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6171,7 +5993,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
 
     final _response = await _requester.request(
       _url,
@@ -6212,8 +6035,6 @@
     core.String sinkName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (sinkName == null) {
       throw core.ArgumentError('Parameter sinkName is required.');
     }
@@ -6222,7 +6043,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -6258,8 +6079,6 @@
     core.String sinkName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (sinkName == null) {
       throw core.ArgumentError('Parameter sinkName is required.');
     }
@@ -6268,7 +6087,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -6312,8 +6131,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -6328,7 +6145,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
 
     final _response = await _requester.request(
       _url,
@@ -6394,8 +6212,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6414,7 +6230,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -6480,8 +6296,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6500,7 +6314,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -6561,8 +6375,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6575,7 +6387,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/exclusions';
 
@@ -6615,8 +6427,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6625,7 +6435,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6661,8 +6471,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6671,7 +6479,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6716,8 +6524,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -6732,7 +6538,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/exclusions';
 
@@ -6782,8 +6588,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6799,7 +6603,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6841,8 +6645,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6851,7 +6653,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -6891,8 +6693,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -6910,7 +6710,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -6965,8 +6765,6 @@
     core.String bucketId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6982,7 +6780,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/buckets';
 
     final _response = await _requester.request(
@@ -7025,8 +6823,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -7035,7 +6831,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -7073,8 +6869,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -7083,7 +6877,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -7131,8 +6925,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -7147,7 +6939,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/buckets';
 
     final _response = await _requester.request(
@@ -7207,8 +6999,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7224,7 +7014,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -7269,8 +7059,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7283,7 +7071,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$name') + ':undelete';
 
     final _response = await _requester.request(
       _url,
@@ -7334,8 +7123,6 @@
     core.String viewId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7351,7 +7138,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
 
     final _response = await _requester.request(
       _url,
@@ -7387,8 +7175,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -7397,7 +7183,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -7432,8 +7218,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -7442,7 +7226,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -7486,8 +7270,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -7502,7 +7284,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/views';
 
     final _response = await _requester.request(
       _url,
@@ -7552,8 +7335,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7569,7 +7350,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -7619,8 +7400,6 @@
     core.String logName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (logName == null) {
       throw core.ArgumentError('Parameter logName is required.');
     }
@@ -7629,7 +7408,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$logName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$logName');
 
     final _response = await _requester.request(
       _url,
@@ -7685,8 +7464,6 @@
     core.List<core.String> resourceNames,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -7704,7 +7481,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/logs';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/logs';
 
     final _response = await _requester.request(
       _url,
@@ -7747,8 +7525,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7761,7 +7537,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/metrics';
 
     final _response = await _requester.request(
@@ -7795,8 +7571,6 @@
     core.String metricName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (metricName == null) {
       throw core.ArgumentError('Parameter metricName is required.');
     }
@@ -7805,7 +7579,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$metricName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$metricName');
 
     final _response = await _requester.request(
       _url,
@@ -7837,8 +7611,6 @@
     core.String metricName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (metricName == null) {
       throw core.ArgumentError('Parameter metricName is required.');
     }
@@ -7847,7 +7619,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$metricName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$metricName');
 
     final _response = await _requester.request(
       _url,
@@ -7890,8 +7662,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -7906,7 +7676,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/metrics';
 
     final _response = await _requester.request(
@@ -7946,8 +7716,6 @@
     core.String metricName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -7960,7 +7728,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$metricName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$metricName');
 
     final _response = await _requester.request(
       _url,
@@ -8020,8 +7788,6 @@
     core.bool uniqueWriterIdentity,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8037,7 +7803,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
 
     final _response = await _requester.request(
       _url,
@@ -8078,8 +7845,6 @@
     core.String sinkName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (sinkName == null) {
       throw core.ArgumentError('Parameter sinkName is required.');
     }
@@ -8088,7 +7853,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -8124,8 +7889,6 @@
     core.String sinkName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (sinkName == null) {
       throw core.ArgumentError('Parameter sinkName is required.');
     }
@@ -8134,7 +7897,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -8178,8 +7941,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -8194,7 +7955,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
 
     final _response = await _requester.request(
       _url,
@@ -8260,8 +8022,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8280,7 +8040,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -8346,8 +8106,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8366,7 +8124,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -8426,8 +8184,6 @@
     core.bool uniqueWriterIdentity,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8443,7 +8199,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
 
     final _response = await _requester.request(
       _url,
@@ -8484,8 +8241,6 @@
     core.String sinkName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (sinkName == null) {
       throw core.ArgumentError('Parameter sinkName is required.');
     }
@@ -8494,7 +8249,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -8530,8 +8285,6 @@
     core.String sinkName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (sinkName == null) {
       throw core.ArgumentError('Parameter sinkName is required.');
     }
@@ -8540,7 +8293,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -8584,8 +8337,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -8600,7 +8351,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
+    final _url =
+        'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sinks';
 
     final _response = await _requester.request(
       _url,
@@ -8666,8 +8418,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8686,7 +8436,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$sinkName');
 
     final _response = await _requester.request(
       _url,
@@ -8737,8 +8487,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -8747,7 +8495,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/cmekSettings';
 
@@ -8807,8 +8555,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -8824,7 +8570,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/cmekSettings';
 

generated/googleapis/lib/managedidentities/v1.dart

diff --git a/generated/googleapis/lib/managedidentities/v1.dart b/generated/googleapis/lib/managedidentities/v1.dart
index 81a0052..825549c 100644
--- a/generated/googleapis/lib/managedidentities/v1.dart
+++ b/generated/googleapis/lib/managedidentities/v1.dart
@@ -101,8 +101,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -111,7 +109,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -151,8 +149,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -170,7 +166,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -228,8 +224,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -242,7 +236,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':attachTrust';
 
     final _response = await _requester.request(
@@ -289,8 +283,6 @@
     core.String domainName,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -306,7 +298,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/domains';
 
     final _response = await _requester.request(
@@ -341,8 +333,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -351,7 +341,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -388,8 +378,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -402,7 +390,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':detachTrust';
 
     final _response = await _requester.request(
@@ -437,8 +425,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -447,7 +433,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -493,8 +479,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -508,7 +492,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -562,8 +546,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -584,7 +566,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/domains';
 
     final _response = await _requester.request(
@@ -628,8 +610,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -645,7 +625,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -683,8 +663,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -697,7 +675,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':reconfigureTrust';
 
@@ -736,8 +714,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -750,7 +726,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':resetAdminPassword';
 
@@ -794,8 +770,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -808,7 +782,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -853,8 +827,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -867,7 +839,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -909,8 +881,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -923,7 +893,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':validateTrust';
 
@@ -977,8 +947,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -991,7 +959,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -1028,8 +997,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1038,7 +1005,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1073,8 +1040,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1083,7 +1048,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1132,8 +1097,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1151,7 +1114,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/manufacturers/v1.dart

diff --git a/generated/googleapis/lib/manufacturers/v1.dart b/generated/googleapis/lib/manufacturers/v1.dart
index 91f53d8..07dc342 100644
--- a/generated/googleapis/lib/manufacturers/v1.dart
+++ b/generated/googleapis/lib/manufacturers/v1.dart
@@ -100,8 +100,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -113,7 +111,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/products/' +
         commons.Escaper.ecapeVariableReserved('$name');
@@ -168,8 +166,6 @@
     core.List<core.String> include,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -184,7 +180,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/products/' +
         commons.Escaper.ecapeVariableReserved('$name');
@@ -230,8 +226,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -249,7 +243,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/products';
 
     final _response = await _requester.request(
@@ -309,8 +303,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -326,7 +318,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/products/' +
         commons.Escaper.ecapeVariableReserved('$name');

generated/googleapis/lib/memcache/v1.dart

diff --git a/generated/googleapis/lib/memcache/v1.dart b/generated/googleapis/lib/memcache/v1.dart
index 9246fbb..89b967b 100644
--- a/generated/googleapis/lib/memcache/v1.dart
+++ b/generated/googleapis/lib/memcache/v1.dart
@@ -100,8 +100,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -110,7 +108,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -150,8 +148,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -169,7 +165,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -215,8 +211,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -229,7 +223,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':applyParameters';
 
@@ -276,8 +270,6 @@
     core.String instanceId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -293,7 +285,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -329,8 +321,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -339,7 +329,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -373,8 +363,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -383,7 +371,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -435,8 +423,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -457,7 +443,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -503,8 +489,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -520,7 +504,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -561,8 +545,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -575,7 +557,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':updateParameters';
 
@@ -629,8 +611,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -643,7 +623,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -680,8 +661,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -690,7 +669,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -725,8 +704,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -735,7 +712,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -784,8 +761,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -803,7 +778,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(

generated/googleapis/lib/ml/v1.dart

diff --git a/generated/googleapis/lib/ml/v1.dart b/generated/googleapis/lib/ml/v1.dart
index f7c8979..0463030 100644
--- a/generated/googleapis/lib/ml/v1.dart
+++ b/generated/googleapis/lib/ml/v1.dart
@@ -107,8 +107,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -121,7 +119,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':explain';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':explain';
 
     final _response = await _requester.request(
       _url,
@@ -158,8 +157,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -168,7 +165,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':getConfig';
 
     final _response = await _requester.request(
@@ -208,8 +205,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -222,7 +217,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':predict';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':predict';
 
     final _response = await _requester.request(
       _url,
@@ -264,8 +260,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -278,7 +272,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -314,8 +309,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -328,7 +321,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
 
     final _response = await _requester.request(
       _url,
@@ -361,8 +355,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -371,7 +363,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -417,8 +409,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -432,7 +422,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -489,8 +479,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -508,7 +496,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/jobs';
 
     final _response = await _requester.request(
       _url,
@@ -557,8 +546,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -574,7 +561,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -615,8 +602,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -629,7 +614,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -674,8 +659,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -688,7 +671,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -735,8 +718,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -745,7 +726,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -790,8 +771,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -806,7 +785,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/locations';
 
     final _response = await _requester.request(
@@ -856,8 +835,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -866,7 +843,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -902,8 +880,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -912,7 +888,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -962,8 +938,6 @@
     core.String studyId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -979,7 +953,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/studies';
 
     final _response = await _requester.request(
@@ -1014,8 +988,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1024,7 +996,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1057,8 +1029,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1067,7 +1037,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1100,8 +1070,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1110,7 +1078,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/studies';
 
     final _response = await _requester.request(
@@ -1157,8 +1125,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1171,7 +1137,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':addMeasurement';
 
@@ -1213,8 +1179,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1227,7 +1191,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':checkEarlyStoppingState';
 
@@ -1266,8 +1230,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1280,7 +1242,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':complete';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':complete';
 
     final _response = await _requester.request(
       _url,
@@ -1317,8 +1280,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1331,7 +1292,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/trials';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/trials';
 
     final _response = await _requester.request(
       _url,
@@ -1365,8 +1327,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1375,7 +1335,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1408,8 +1368,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1418,7 +1376,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1451,8 +1409,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1461,7 +1417,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/trials';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/trials';
 
     final _response = await _requester.request(
       _url,
@@ -1502,8 +1459,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1516,7 +1471,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/trials:listOptimalTrials';
 
@@ -1555,8 +1510,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1569,7 +1522,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':stop';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':stop';
 
     final _response = await _requester.request(
       _url,
@@ -1611,8 +1565,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1625,7 +1577,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/trials:suggest';
 
@@ -1675,8 +1627,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1689,7 +1639,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/models';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/models';
 
     final _response = await _requester.request(
       _url,
@@ -1725,8 +1676,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1735,7 +1684,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1769,8 +1718,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1779,7 +1726,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1825,8 +1772,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -1840,7 +1785,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -1893,8 +1838,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1912,7 +1855,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/models';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/models';
 
     final _response = await _requester.request(
       _url,
@@ -1959,8 +1903,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1976,7 +1918,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2017,8 +1959,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2031,7 +1971,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -2076,8 +2016,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2090,7 +2028,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -2142,8 +2080,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2156,7 +2092,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/versions';
 
     final _response = await _requester.request(
@@ -2197,8 +2133,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2207,7 +2141,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2244,8 +2178,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2254,7 +2186,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2306,8 +2238,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2325,7 +2255,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/versions';
 
     final _response = await _requester.request(
@@ -2376,8 +2306,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2393,7 +2321,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2437,8 +2365,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2451,7 +2377,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':setDefault';
 
     final _response = await _requester.request(
@@ -2500,8 +2426,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2510,7 +2434,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -2545,8 +2470,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2555,7 +2478,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2605,8 +2528,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2624,7 +2545,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(

generated/googleapis/lib/monitoring/v3.dart

diff --git a/generated/googleapis/lib/monitoring/v3.dart b/generated/googleapis/lib/monitoring/v3.dart
index 7602ec7..3306e39 100644
--- a/generated/googleapis/lib/monitoring/v3.dart
+++ b/generated/googleapis/lib/monitoring/v3.dart
@@ -594,8 +594,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -662,7 +660,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$name') + '/timeSeries';
 
     final _response = await _requester.request(
@@ -1171,8 +1169,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1239,7 +1235,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$name') + '/timeSeries';
 
     final _response = await _requester.request(
@@ -1316,8 +1312,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1330,7 +1324,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/alertPolicies';
 
@@ -1367,8 +1361,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1377,7 +1369,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1409,8 +1401,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1419,7 +1409,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1477,8 +1467,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1499,7 +1487,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/alertPolicies';
 
@@ -1564,8 +1552,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1581,7 +1567,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1628,8 +1614,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1642,7 +1626,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/collectdTimeSeries';
 
@@ -1694,8 +1678,6 @@
     core.bool validateOnly,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1711,7 +1693,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + '/groups';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + '/groups';
 
     final _response = await _requester.request(
       _url,
@@ -1749,8 +1732,6 @@
     core.bool recursive,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1762,7 +1743,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1794,8 +1775,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1804,7 +1783,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1867,8 +1846,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1892,7 +1869,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + '/groups';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + '/groups';
 
     final _response = await _requester.request(
       _url,
@@ -1937,8 +1915,6 @@
     core.bool validateOnly,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1954,7 +1930,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2020,8 +1996,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2045,7 +2019,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + '/members';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + '/members';
 
     final _response = await _requester.request(
       _url,
@@ -2091,8 +2066,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2105,7 +2078,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/metricDescriptors';
 
@@ -2146,8 +2119,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2156,7 +2127,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2193,8 +2164,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2203,7 +2172,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2257,8 +2226,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2276,7 +2243,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/metricDescriptors';
 
@@ -2323,8 +2290,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2333,7 +2298,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2386,8 +2351,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2405,7 +2368,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/monitoredResourceDescriptors';
 
@@ -2452,8 +2415,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2462,7 +2423,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2512,8 +2473,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2528,7 +2487,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/notificationChannelDescriptors';
 
@@ -2578,8 +2537,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2592,7 +2549,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/notificationChannels';
 
@@ -2635,8 +2592,6 @@
     core.bool force,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2648,7 +2603,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2687,8 +2642,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2697,7 +2650,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2755,8 +2708,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2769,7 +2720,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':getVerificationCode';
 
@@ -2831,8 +2782,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2853,7 +2802,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/notificationChannels';
 
@@ -2897,8 +2846,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2914,7 +2861,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2954,8 +2901,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2968,7 +2913,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':sendVerificationCode';
 
@@ -3007,8 +2952,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3021,7 +2964,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':verify';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':verify';
 
     final _response = await _requester.request(
       _url,
@@ -3068,8 +3012,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3082,7 +3024,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$name') + '/timeSeries';
 
     final _response = await _requester.request(
@@ -3575,8 +3517,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3643,7 +3583,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$name') + '/timeSeries';
 
     final _response = await _requester.request(
@@ -3682,8 +3622,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3696,7 +3634,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/timeSeries:query';
 
@@ -3742,8 +3680,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3756,7 +3692,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/uptimeCheckConfigs';
 
@@ -3797,8 +3733,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3807,7 +3741,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3840,8 +3774,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3850,7 +3782,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3896,8 +3828,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3912,7 +3842,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/uptimeCheckConfigs';
 
@@ -3965,8 +3895,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3982,7 +3910,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4033,8 +3961,6 @@
     core.String serviceId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4050,7 +3976,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/services';
 
     final _response = await _requester.request(
@@ -4084,8 +4010,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4094,7 +4018,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4126,8 +4050,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4136,7 +4058,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4194,8 +4116,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -4213,7 +4133,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$parent') + '/services';
 
     final _response = await _requester.request(
@@ -4254,8 +4174,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4271,7 +4189,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4319,8 +4237,6 @@
     core.String serviceLevelObjectiveId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4336,7 +4252,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/serviceLevelObjectives';
 
@@ -4374,8 +4290,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4384,7 +4298,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4433,8 +4347,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -4446,7 +4358,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4509,8 +4421,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -4531,7 +4441,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/serviceLevelObjectives';
 
@@ -4574,8 +4484,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4591,7 +4499,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -4638,8 +4546,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -4651,7 +4557,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/uptimeCheckIps';
+    const _url = 'v3/uptimeCheckIps';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/networkmanagement/v1.dart

diff --git a/generated/googleapis/lib/networkmanagement/v1.dart b/generated/googleapis/lib/networkmanagement/v1.dart
index c350894..eb56c38 100644
--- a/generated/googleapis/lib/networkmanagement/v1.dart
+++ b/generated/googleapis/lib/networkmanagement/v1.dart
@@ -98,8 +98,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -108,7 +106,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -148,8 +146,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -167,7 +163,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -240,8 +236,6 @@
     core.String testId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -257,7 +251,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/connectivityTests';
 
@@ -293,8 +287,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -303,7 +295,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -336,8 +328,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -346,7 +336,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -393,8 +383,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -408,7 +396,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -464,8 +452,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -486,7 +472,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/connectivityTests';
 
@@ -540,8 +526,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -557,7 +541,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -603,8 +587,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -617,7 +599,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':rerun';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':rerun';
 
     final _response = await _requester.request(
       _url,
@@ -658,8 +641,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -672,7 +653,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -717,8 +698,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -731,7 +710,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -786,8 +765,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -800,7 +777,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -837,8 +815,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -847,7 +823,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -882,8 +858,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -892,7 +866,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -941,8 +915,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -960,7 +932,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(

generated/googleapis/lib/notebooks/v1.dart

diff --git a/generated/googleapis/lib/notebooks/v1.dart b/generated/googleapis/lib/notebooks/v1.dart
index 6456ccb..ac32825 100644
--- a/generated/googleapis/lib/notebooks/v1.dart
+++ b/generated/googleapis/lib/notebooks/v1.dart
@@ -109,8 +109,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -119,7 +117,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -159,8 +157,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -178,7 +174,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -227,8 +223,6 @@
     core.String environmentId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -244,7 +238,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/environments';
 
@@ -280,8 +274,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -290,7 +282,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -323,8 +315,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -333,7 +323,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -372,8 +362,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -388,7 +376,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/environments';
 
@@ -436,8 +424,6 @@
     core.String executionId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -453,7 +439,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/executions';
 
@@ -489,8 +475,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -499,7 +483,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -532,8 +516,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -542,7 +524,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -587,8 +569,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -609,7 +589,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/executions';
 
@@ -657,8 +637,6 @@
     core.String instanceId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -674,7 +652,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -709,8 +687,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -719,7 +695,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -752,8 +728,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -762,7 +736,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -808,8 +782,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -823,7 +795,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -858,8 +830,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -868,7 +838,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':getInstanceHealth';
 
@@ -904,8 +874,6 @@
     core.String notebookInstance, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (notebookInstance == null) {
       throw core.ArgumentError('Parameter notebookInstance is required.');
     }
@@ -914,7 +882,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$notebookInstance') +
         ':isUpgradeable';
 
@@ -956,8 +924,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -972,7 +938,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -1014,8 +980,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1028,7 +992,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/instances:register';
 
@@ -1071,8 +1035,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1085,7 +1047,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':report';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':report';
 
     final _response = await _requester.request(
       _url,
@@ -1122,8 +1085,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1136,7 +1097,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':reset';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':reset';
 
     final _response = await _requester.request(
       _url,
@@ -1173,8 +1135,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1187,7 +1147,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':setAccelerator';
 
@@ -1230,8 +1190,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1244,7 +1202,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1283,8 +1241,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1297,7 +1253,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':setLabels';
 
     final _response = await _requester.request(
@@ -1335,8 +1291,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1349,7 +1303,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':setMachineType';
 
@@ -1388,8 +1342,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1402,7 +1354,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':start';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':start';
 
     final _response = await _requester.request(
       _url,
@@ -1439,8 +1392,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1453,7 +1404,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':stop';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':stop';
 
     final _response = await _requester.request(
       _url,
@@ -1496,8 +1448,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1510,7 +1460,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -1550,8 +1500,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1564,7 +1512,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':upgrade';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':upgrade';
 
     final _response = await _requester.request(
       _url,
@@ -1603,8 +1552,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1617,7 +1564,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':upgradeInternal';
 
@@ -1671,8 +1618,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1685,7 +1630,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -1722,8 +1668,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1732,7 +1676,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1767,8 +1711,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1777,7 +1719,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1826,8 +1768,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1845,7 +1785,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(
@@ -1892,8 +1832,6 @@
     core.String scheduleId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1909,7 +1847,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/schedules';
 
     final _response = await _requester.request(
@@ -1944,8 +1882,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1954,7 +1890,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1987,8 +1923,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1997,7 +1931,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2042,8 +1976,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2064,7 +1996,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/schedules';
 
     final _response = await _requester.request(
@@ -2102,8 +2034,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2116,7 +2046,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':trigger';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':trigger';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/oauth2/v2.dart

diff --git a/generated/googleapis/lib/oauth2/v2.dart b/generated/googleapis/lib/oauth2/v2.dart
index dc5bd76..d87de92 100644
--- a/generated/googleapis/lib/oauth2/v2.dart
+++ b/generated/googleapis/lib/oauth2/v2.dart
@@ -84,8 +84,6 @@
     core.String idToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (accessToken != null) {
       _queryParams['access_token'] = [accessToken];
@@ -97,7 +95,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'oauth2/v2/tokeninfo';
+    const _url = 'oauth2/v2/tokeninfo';
 
     final _response = await _requester.request(
       _url,
@@ -130,14 +128,12 @@
   async.Future<Userinfo> get({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'oauth2/v2/userinfo';
+    const _url = 'oauth2/v2/userinfo';
 
     final _response = await _requester.request(
       _url,
@@ -176,14 +172,12 @@
   async.Future<Userinfo> get({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'userinfo/v2/me';
+    const _url = 'userinfo/v2/me';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/osconfig/v1.dart

diff --git a/generated/googleapis/lib/osconfig/v1.dart b/generated/googleapis/lib/osconfig/v1.dart
index b453d33..3eadd26 100644
--- a/generated/googleapis/lib/osconfig/v1.dart
+++ b/generated/googleapis/lib/osconfig/v1.dart
@@ -108,8 +108,6 @@
     core.String patchDeploymentId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -125,7 +123,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/patchDeployments';
 
@@ -161,8 +159,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -171,7 +167,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -203,8 +199,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -213,7 +207,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -255,8 +249,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -271,7 +263,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/patchDeployments';
 
@@ -320,8 +312,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -334,7 +324,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -370,8 +361,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -384,7 +373,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/patchJobs:execute';
 
@@ -422,8 +411,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -432,7 +419,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -475,8 +462,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -494,7 +479,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/patchJobs';
 
     final _response = await _requester.request(
@@ -548,8 +533,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -567,7 +550,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/instanceDetails';
 

generated/googleapis/lib/oslogin/v1.dart

diff --git a/generated/googleapis/lib/oslogin/v1.dart b/generated/googleapis/lib/oslogin/v1.dart
index 8e7942d..dbe11bc 100644
--- a/generated/googleapis/lib/oslogin/v1.dart
+++ b/generated/googleapis/lib/oslogin/v1.dart
@@ -96,8 +96,6 @@
     core.String systemId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -112,7 +110,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/loginProfile';
 
@@ -155,8 +153,6 @@
     core.String projectId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -172,7 +168,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':importSshPublicKey';
 
@@ -216,8 +212,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -226,7 +220,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -265,8 +259,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -275,7 +267,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -308,8 +300,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -318,7 +308,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -361,8 +351,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -378,7 +366,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/pagespeedonline/v5.dart

diff --git a/generated/googleapis/lib/pagespeedonline/v5.dart b/generated/googleapis/lib/pagespeedonline/v5.dart
index da89980..9adc0ba 100644
--- a/generated/googleapis/lib/pagespeedonline/v5.dart
+++ b/generated/googleapis/lib/pagespeedonline/v5.dart
@@ -114,8 +114,6 @@
     core.String utmSource,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (url == null) {
       throw core.ArgumentError('Parameter url is required.');
@@ -143,7 +141,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'pagespeedonline/v5/runPagespeed';
+    const _url = 'pagespeedonline/v5/runPagespeed';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/people/v1.dart

diff --git a/generated/googleapis/lib/people/v1.dart b/generated/googleapis/lib/people/v1.dart
index fb48d8b..9c16a3c 100644
--- a/generated/googleapis/lib/people/v1.dart
+++ b/generated/googleapis/lib/people/v1.dart
@@ -144,8 +144,6 @@
     core.List<core.String> resourceNames,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (groupFields != null) {
       _queryParams['groupFields'] = [groupFields];
@@ -160,7 +158,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/contactGroups:batchGet';
+    const _url = 'v1/contactGroups:batchGet';
 
     final _response = await _requester.request(
       _url,
@@ -191,8 +189,6 @@
     CreateContactGroupRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -202,7 +198,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/contactGroups';
+    const _url = 'v1/contactGroups';
 
     final _response = await _requester.request(
       _url,
@@ -241,8 +237,6 @@
     core.bool deleteContacts,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resourceName == null) {
       throw core.ArgumentError('Parameter resourceName is required.');
     }
@@ -254,7 +248,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$resourceName');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$resourceName');
 
     final _response = await _requester.request(
       _url,
@@ -296,8 +290,6 @@
     core.int maxMembers,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resourceName == null) {
       throw core.ArgumentError('Parameter resourceName is required.');
     }
@@ -312,7 +304,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$resourceName');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$resourceName');
 
     final _response = await _requester.request(
       _url,
@@ -363,8 +355,6 @@
     core.String syncToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (groupFields != null) {
       _queryParams['groupFields'] = [groupFields];
@@ -382,7 +372,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/contactGroups';
+    const _url = 'v1/contactGroups';
 
     final _response = await _requester.request(
       _url,
@@ -420,8 +410,6 @@
     core.String resourceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -434,7 +422,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$resourceName');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$resourceName');
 
     final _response = await _requester.request(
       _url,
@@ -482,8 +470,6 @@
     core.String resourceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -496,7 +482,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resourceName') +
         '/members:modify';
 
@@ -542,8 +528,6 @@
     core.String resourceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -556,7 +540,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resourceName') +
         ':copyOtherContactToMyContactsGroup';
 
@@ -619,8 +603,6 @@
     core.String syncToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -641,7 +623,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/otherContacts';
+    const _url = 'v1/otherContacts';
 
     final _response = await _requester.request(
       _url,
@@ -700,8 +682,6 @@
     core.List<core.String> sources,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -717,7 +697,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/people:createContact';
+    const _url = 'v1/people:createContact';
 
     final _response = await _requester.request(
       _url,
@@ -751,8 +731,6 @@
     core.String resourceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resourceName == null) {
       throw core.ArgumentError('Parameter resourceName is required.');
     }
@@ -761,7 +739,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resourceName') +
         ':deleteContact';
 
@@ -810,8 +788,6 @@
     core.List<core.String> sources,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resourceName == null) {
       throw core.ArgumentError('Parameter resourceName is required.');
     }
@@ -826,7 +802,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resourceName') +
         ':deleteContactPhoto';
 
@@ -887,8 +863,6 @@
     core.List<core.String> sources,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resourceName == null) {
       throw core.ArgumentError('Parameter resourceName is required.');
     }
@@ -906,7 +880,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$resourceName');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$resourceName');
 
     final _response = await _requester.request(
       _url,
@@ -967,8 +941,6 @@
     core.List<core.String> sources,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (personFields != null) {
       _queryParams['personFields'] = [personFields];
@@ -986,7 +958,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/people:batchGet';
+    const _url = 'v1/people:batchGet';
 
     final _response = await _requester.request(
       _url,
@@ -1056,8 +1028,6 @@
     core.String syncToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (mergeSources != null) {
       _queryParams['mergeSources'] = mergeSources;
@@ -1084,7 +1054,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/people:listDirectoryPeople';
+    const _url = 'v1/people:listDirectoryPeople';
 
     final _response = await _requester.request(
       _url,
@@ -1146,8 +1116,6 @@
     core.List<core.String> sources,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (mergeSources != null) {
       _queryParams['mergeSources'] = mergeSources;
@@ -1171,7 +1139,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/people:searchDirectoryPeople';
+    const _url = 'v1/people:searchDirectoryPeople';
 
     final _response = await _requester.request(
       _url,
@@ -1247,8 +1215,6 @@
     core.String updatePersonFields,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1270,7 +1236,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resourceName') +
         ':updateContact';
 
@@ -1307,8 +1273,6 @@
     core.String resourceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1321,7 +1285,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resourceName') +
         ':updateContactPhoto';
 
@@ -1428,8 +1392,6 @@
     core.String syncToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resourceName == null) {
       throw core.ArgumentError('Parameter resourceName is required.');
     }
@@ -1462,7 +1424,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resourceName') +
         '/connections';
 

generated/googleapis/lib/playablelocations/v3.dart

diff --git a/generated/googleapis/lib/playablelocations/v3.dart b/generated/googleapis/lib/playablelocations/v3.dart
index f0815dc..efd8dfb 100644
--- a/generated/googleapis/lib/playablelocations/v3.dart
+++ b/generated/googleapis/lib/playablelocations/v3.dart
@@ -79,8 +79,6 @@
     GoogleMapsPlayablelocationsV3LogImpressionsRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -90,7 +88,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3:logImpressions';
+    const _url = 'v3:logImpressions';
 
     final _response = await _requester.request(
       _url,
@@ -126,8 +124,6 @@
     GoogleMapsPlayablelocationsV3LogPlayerReportsRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -137,7 +133,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3:logPlayerReports';
+    const _url = 'v3:logPlayerReports';
 
     final _response = await _requester.request(
       _url,
@@ -175,8 +171,6 @@
     GoogleMapsPlayablelocationsV3SamplePlayableLocationsRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -186,7 +180,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3:samplePlayableLocations';
+    const _url = 'v3:samplePlayableLocations';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/playcustomapp/v1.dart

diff --git a/generated/googleapis/lib/playcustomapp/v1.dart b/generated/googleapis/lib/playcustomapp/v1.dart
index 0ae2ebc..4a5ffe8 100644
--- a/generated/googleapis/lib/playcustomapp/v1.dart
+++ b/generated/googleapis/lib/playcustomapp/v1.dart
@@ -109,8 +109,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -123,6 +121,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'playcustomapp/v1/accounts/' +
           commons.Escaper.ecapeVariable('$account') +

generated/googleapis/lib/policytroubleshooter/v1.dart

diff --git a/generated/googleapis/lib/policytroubleshooter/v1.dart b/generated/googleapis/lib/policytroubleshooter/v1.dart
index 8a3ff44..e6024bf 100644
--- a/generated/googleapis/lib/policytroubleshooter/v1.dart
+++ b/generated/googleapis/lib/policytroubleshooter/v1.dart
@@ -79,8 +79,6 @@
     GoogleCloudPolicytroubleshooterV1TroubleshootIamPolicyRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -90,7 +88,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/iam:troubleshoot';
+    const _url = 'v1/iam:troubleshoot';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/poly/v1.dart

diff --git a/generated/googleapis/lib/poly/v1.dart b/generated/googleapis/lib/poly/v1.dart
index 3555e2e..7c065a8 100644
--- a/generated/googleapis/lib/poly/v1.dart
+++ b/generated/googleapis/lib/poly/v1.dart
@@ -84,8 +84,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -94,7 +92,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -166,8 +164,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (category != null) {
       _queryParams['category'] = [category];
@@ -197,7 +193,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/assets';
+    const _url = 'v1/assets';
 
     final _response = await _requester.request(
       _url,
@@ -278,8 +274,6 @@
     core.String visibility,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -303,7 +297,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/assets';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/assets';
 
     final _response = await _requester.request(
       _url,
@@ -364,8 +359,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -386,7 +379,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/likedassets';
 
     final _response = await _requester.request(

generated/googleapis/lib/pubsub/v1.dart

diff --git a/generated/googleapis/lib/pubsub/v1.dart b/generated/googleapis/lib/pubsub/v1.dart
index e07b7d1..5f93025 100644
--- a/generated/googleapis/lib/pubsub/v1.dart
+++ b/generated/googleapis/lib/pubsub/v1.dart
@@ -125,8 +125,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -139,7 +137,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -182,8 +180,6 @@
     core.String snapshot, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (snapshot == null) {
       throw core.ArgumentError('Parameter snapshot is required.');
     }
@@ -192,7 +188,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$snapshot');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$snapshot');
 
     final _response = await _requester.request(
       _url,
@@ -228,8 +224,6 @@
     core.String snapshot, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (snapshot == null) {
       throw core.ArgumentError('Parameter snapshot is required.');
     }
@@ -238,7 +232,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$snapshot');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$snapshot');
 
     final _response = await _requester.request(
       _url,
@@ -283,8 +277,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -298,7 +290,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -346,8 +338,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -362,7 +352,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$project') +
         '/snapshots';
 
@@ -403,8 +393,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -417,7 +405,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -457,8 +445,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -471,7 +457,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -515,8 +501,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -529,7 +513,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -581,8 +565,6 @@
     core.String subscription, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -595,7 +577,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$subscription') +
         ':acknowledge';
 
@@ -647,8 +629,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -661,7 +641,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -701,8 +681,6 @@
     core.String subscription, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (subscription == null) {
       throw core.ArgumentError('Parameter subscription is required.');
     }
@@ -711,7 +689,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$subscription');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$subscription');
 
     final _response = await _requester.request(
       _url,
@@ -747,8 +725,6 @@
     core.String subscription, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (subscription == null) {
       throw core.ArgumentError('Parameter subscription is required.');
     }
@@ -757,7 +733,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$subscription') +
         ':detach';
 
@@ -792,8 +768,6 @@
     core.String subscription, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (subscription == null) {
       throw core.ArgumentError('Parameter subscription is required.');
     }
@@ -802,7 +776,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$subscription');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$subscription');
 
     final _response = await _requester.request(
       _url,
@@ -848,8 +822,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -863,7 +835,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -905,8 +877,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -921,7 +891,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$project') +
         '/subscriptions';
 
@@ -964,8 +934,6 @@
     core.String subscription, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -978,7 +946,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$subscription') +
         ':modifyAckDeadline';
 
@@ -1021,8 +989,6 @@
     core.String subscription, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1035,7 +1001,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$subscription') +
         ':modifyPushConfig';
 
@@ -1080,8 +1046,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1094,7 +1058,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1134,8 +1098,6 @@
     core.String subscription, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1148,7 +1110,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$subscription') +
         ':pull';
 
@@ -1194,8 +1156,6 @@
     core.String subscription, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1208,7 +1168,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$subscription') +
         ':seek';
 
@@ -1251,8 +1211,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1265,7 +1223,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1309,8 +1267,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1323,7 +1279,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -1380,8 +1336,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1394,7 +1348,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1433,8 +1387,6 @@
     core.String topic, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (topic == null) {
       throw core.ArgumentError('Parameter topic is required.');
     }
@@ -1443,7 +1395,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$topic');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$topic');
 
     final _response = await _requester.request(
       _url,
@@ -1475,8 +1427,6 @@
     core.String topic, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (topic == null) {
       throw core.ArgumentError('Parameter topic is required.');
     }
@@ -1485,7 +1435,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$topic');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$topic');
 
     final _response = await _requester.request(
       _url,
@@ -1530,8 +1480,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -1545,7 +1493,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -1587,8 +1535,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
     }
@@ -1603,7 +1549,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$project') + '/topics';
 
     final _response = await _requester.request(
@@ -1646,8 +1592,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1660,7 +1604,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1698,8 +1642,6 @@
     core.String topic, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1712,7 +1654,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$topic') + ':publish';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$topic') + ':publish';
 
     final _response = await _requester.request(
       _url,
@@ -1753,8 +1696,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1767,7 +1708,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1811,8 +1752,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1825,7 +1764,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -1882,8 +1821,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (topic == null) {
       throw core.ArgumentError('Parameter topic is required.');
     }
@@ -1898,7 +1835,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$topic') + '/snapshots';
 
     final _response = await _requester.request(
@@ -1948,8 +1885,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (topic == null) {
       throw core.ArgumentError('Parameter topic is required.');
     }
@@ -1964,7 +1899,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$topic') +
         '/subscriptions';
 

generated/googleapis/lib/pubsublite/v1.dart

diff --git a/generated/googleapis/lib/pubsublite/v1.dart b/generated/googleapis/lib/pubsublite/v1.dart
index 36cfd96..8722a5d 100644
--- a/generated/googleapis/lib/pubsublite/v1.dart
+++ b/generated/googleapis/lib/pubsublite/v1.dart
@@ -133,8 +133,6 @@
     core.String subscriptionId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -150,7 +148,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/admin/' +
+    final _url = 'v1/admin/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/subscriptions';
 
@@ -186,8 +184,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -196,7 +192,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/admin/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/admin/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -229,8 +225,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -239,7 +233,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/admin/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/admin/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -283,8 +277,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -299,7 +291,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/admin/' +
+    final _url = 'v1/admin/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/subscriptions';
 
@@ -342,8 +334,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -359,7 +349,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/admin/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/admin/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -411,8 +401,6 @@
     core.String topicId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -428,7 +416,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/admin/' +
+    final _url = 'v1/admin/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/topics';
 
@@ -463,8 +451,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -473,7 +459,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/admin/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/admin/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -505,8 +491,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -515,7 +499,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/admin/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/admin/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -547,8 +531,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -557,7 +539,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/admin/' +
+    final _url = 'v1/admin/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/partitions';
 
@@ -603,8 +585,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -619,7 +599,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/admin/' +
+    final _url = 'v1/admin/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/topics';
 
@@ -661,8 +641,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -678,7 +656,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/admin/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/admin/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -729,8 +707,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -745,7 +721,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/admin/' +
+    final _url = 'v1/admin/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         '/subscriptions';
 
@@ -838,8 +814,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -854,7 +828,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/cursor/' +
+    final _url = 'v1/cursor/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/cursors';
 
@@ -928,8 +902,6 @@
     core.String topic, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -942,7 +914,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/topicStats/' +
+    final _url = 'v1/topicStats/' +
         commons.Escaper.ecapeVariableReserved('$topic') +
         ':computeMessageStats';
 

generated/googleapis/lib/realtimebidding/v1.dart

diff --git a/generated/googleapis/lib/realtimebidding/v1.dart b/generated/googleapis/lib/realtimebidding/v1.dart
index 1a356af..0b89534 100644
--- a/generated/googleapis/lib/realtimebidding/v1.dart
+++ b/generated/googleapis/lib/realtimebidding/v1.dart
@@ -148,8 +148,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -170,7 +168,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/creatives';
 
     final _response = await _requester.request(
@@ -214,8 +212,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -228,7 +224,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/creatives:watch';
 
@@ -274,8 +270,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -288,7 +282,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':activate';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':activate';
 
     final _response = await _requester.request(
       _url,
@@ -326,8 +321,6 @@
     core.String pretargetingConfig, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -340,7 +333,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$pretargetingConfig') +
         ':addTargetedApps';
 
@@ -380,8 +373,6 @@
     core.String pretargetingConfig, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -394,7 +385,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$pretargetingConfig') +
         ':addTargetedPublishers';
 
@@ -434,8 +425,6 @@
     core.String pretargetingConfig, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -448,7 +437,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$pretargetingConfig') +
         ':addTargetedSites';
 
@@ -492,8 +481,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -506,7 +493,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/pretargetingConfigs';
 
@@ -542,8 +529,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -552,7 +537,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -584,8 +569,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -594,7 +577,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -637,8 +620,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -653,7 +634,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/pretargetingConfigs';
 
@@ -695,8 +676,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -712,7 +691,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -750,8 +729,6 @@
     core.String pretargetingConfig, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -764,7 +741,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$pretargetingConfig') +
         ':removeTargetedApps';
 
@@ -804,8 +781,6 @@
     core.String pretargetingConfig, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -818,7 +793,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$pretargetingConfig') +
         ':removeTargetedPublishers';
 
@@ -858,8 +833,6 @@
     core.String pretargetingConfig, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -872,7 +845,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$pretargetingConfig') +
         ':removeTargetedSites';
 
@@ -911,8 +884,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -925,7 +896,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':suspend';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':suspend';
 
     final _response = await _requester.request(
       _url,
@@ -977,8 +949,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -987,7 +957,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':getRemarketingTag';
 
@@ -1035,8 +1005,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1049,7 +1017,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/creatives';
 
     final _response = await _requester.request(
@@ -1095,8 +1063,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1108,7 +1074,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1181,8 +1147,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1203,7 +1167,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/creatives';
 
     final _response = await _requester.request(
@@ -1246,8 +1210,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1263,7 +1225,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1306,8 +1268,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1320,7 +1280,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':close';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':close';
 
     final _response = await _requester.request(
       _url,
@@ -1360,8 +1321,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1374,7 +1333,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/userLists';
 
     final _response = await _requester.request(
@@ -1408,8 +1367,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1418,7 +1375,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1459,8 +1416,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1469,7 +1424,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':getRemarketingTag';
 
@@ -1515,8 +1470,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1531,7 +1484,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/userLists';
 
     final _response = await _requester.request(
@@ -1569,8 +1522,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1583,7 +1534,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':open';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':open';
 
     final _response = await _requester.request(
       _url,
@@ -1625,8 +1577,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1639,7 +1589,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/recommender/v1.dart

diff --git a/generated/googleapis/lib/recommender/v1.dart b/generated/googleapis/lib/recommender/v1.dart
index abba60a..52b8b1f 100644
--- a/generated/googleapis/lib/recommender/v1.dart
+++ b/generated/googleapis/lib/recommender/v1.dart
@@ -141,8 +141,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -151,7 +149,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -208,8 +206,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -227,7 +223,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/insights';
 
     final _response = await _requester.request(
@@ -270,8 +266,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -284,7 +278,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':markAccepted';
 
@@ -343,8 +337,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -353,7 +345,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -411,8 +403,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -430,7 +420,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/recommendations';
 
@@ -476,8 +466,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -490,7 +478,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':markClaimed';
 
     final _response = await _requester.request(
@@ -536,8 +524,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -550,7 +536,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':markFailed';
 
     final _response = await _requester.request(
@@ -596,8 +582,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -610,7 +594,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':markSucceeded';
 
@@ -686,8 +670,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -696,7 +678,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -753,8 +735,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -772,7 +752,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/insights';
 
     final _response = await _requester.request(
@@ -815,8 +795,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -829,7 +807,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':markAccepted';
 
@@ -886,8 +864,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -896,7 +872,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -954,8 +930,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -973,7 +947,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/recommendations';
 
@@ -1019,8 +993,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1033,7 +1005,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':markClaimed';
 
     final _response = await _requester.request(
@@ -1079,8 +1051,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1093,7 +1063,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':markFailed';
 
     final _response = await _requester.request(
@@ -1139,8 +1109,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1153,7 +1121,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':markSucceeded';
 
@@ -1231,8 +1199,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1241,7 +1207,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1298,8 +1264,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1317,7 +1281,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/insights';
 
     final _response = await _requester.request(
@@ -1360,8 +1324,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1374,7 +1336,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':markAccepted';
 
@@ -1432,8 +1394,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1442,7 +1402,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1500,8 +1460,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1519,7 +1477,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/recommendations';
 
@@ -1565,8 +1523,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1579,7 +1535,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':markClaimed';
 
     final _response = await _requester.request(
@@ -1625,8 +1581,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1639,7 +1593,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':markFailed';
 
     final _response = await _requester.request(
@@ -1685,8 +1639,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1699,7 +1651,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':markSucceeded';
 
@@ -1775,8 +1727,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1785,7 +1735,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1842,8 +1792,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1861,7 +1809,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/insights';
 
     final _response = await _requester.request(
@@ -1904,8 +1852,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1918,7 +1864,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':markAccepted';
 
@@ -1975,8 +1921,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1985,7 +1929,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2043,8 +1987,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2062,7 +2004,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/recommendations';
 
@@ -2108,8 +2050,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2122,7 +2062,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':markClaimed';
 
     final _response = await _requester.request(
@@ -2168,8 +2108,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2182,7 +2120,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':markFailed';
 
     final _response = await _requester.request(
@@ -2228,8 +2166,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2242,7 +2178,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':markSucceeded';
 

generated/googleapis/lib/redis/v1.dart

diff --git a/generated/googleapis/lib/redis/v1.dart b/generated/googleapis/lib/redis/v1.dart
index 143a38c..ab72d84 100644
--- a/generated/googleapis/lib/redis/v1.dart
+++ b/generated/googleapis/lib/redis/v1.dart
@@ -97,8 +97,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -107,7 +105,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -147,8 +145,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -166,7 +162,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -227,8 +223,6 @@
     core.String instanceId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -244,7 +238,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -282,8 +276,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -292,7 +284,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -333,8 +325,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -347,7 +337,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':export';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':export';
 
     final _response = await _requester.request(
       _url,
@@ -386,8 +377,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -400,7 +389,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':failover';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':failover';
 
     final _response = await _requester.request(
       _url,
@@ -435,8 +425,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -445,7 +433,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -482,8 +470,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -492,7 +478,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/authString';
 
     final _response = await _requester.request(
@@ -536,8 +522,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -550,7 +534,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':import';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':import';
 
     final _response = await _requester.request(
       _url,
@@ -601,8 +586,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -617,7 +600,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -671,8 +654,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -688,7 +669,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -727,8 +708,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -741,7 +720,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':upgrade';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':upgrade';
 
     final _response = await _requester.request(
       _url,
@@ -790,8 +770,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -800,7 +778,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -836,8 +815,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -846,7 +823,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -881,8 +858,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -891,7 +866,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -940,8 +915,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -959,7 +932,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(

generated/googleapis/lib/remotebuildexecution/v2.dart

diff --git a/generated/googleapis/lib/remotebuildexecution/v2.dart b/generated/googleapis/lib/remotebuildexecution/v2.dart
index d8808ae..eb04f7d 100644
--- a/generated/googleapis/lib/remotebuildexecution/v2.dart
+++ b/generated/googleapis/lib/remotebuildexecution/v2.dart
@@ -119,8 +119,6 @@
     core.bool inlineStdout,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (instanceName == null) {
       throw core.ArgumentError('Parameter instanceName is required.');
     }
@@ -144,7 +142,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$instanceName') +
         '/actionResults/' +
         commons.Escaper.ecapeVariable('$hash') +
@@ -213,8 +211,6 @@
     core.int resultsCachePolicy_priority,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -238,7 +234,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$instanceName') +
         '/actionResults/' +
         commons.Escaper.ecapeVariable('$hash') +
@@ -331,8 +327,6 @@
     core.String instanceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -345,7 +339,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$instanceName') +
         '/actions:execute';
 
@@ -403,8 +397,6 @@
     core.String instanceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -417,7 +409,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$instanceName') +
         '/blobs:batchRead';
 
@@ -471,8 +463,6 @@
     core.String instanceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -485,7 +475,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$instanceName') +
         '/blobs:batchUpdate';
 
@@ -532,8 +522,6 @@
     core.String instanceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -546,7 +534,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$instanceName') +
         '/blobs:findMissing';
 
@@ -617,8 +605,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (instanceName == null) {
       throw core.ArgumentError('Parameter instanceName is required.');
     }
@@ -639,7 +625,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$instanceName') +
         '/blobs/' +
         commons.Escaper.ecapeVariable('$hash') +
@@ -693,8 +679,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -707,7 +691,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':waitExecution';
 
@@ -759,8 +743,6 @@
     core.String instanceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (instanceName == null) {
       throw core.ArgumentError('Parameter instanceName is required.');
     }
@@ -769,7 +751,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$instanceName') +
         '/capabilities';
 

generated/googleapis/lib/reseller/v1.dart

diff --git a/generated/googleapis/lib/reseller/v1.dart b/generated/googleapis/lib/reseller/v1.dart
index cbd22fe..4541e95 100644
--- a/generated/googleapis/lib/reseller/v1.dart
+++ b/generated/googleapis/lib/reseller/v1.dart
@@ -93,8 +93,6 @@
     core.String customerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -103,7 +101,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/customers/' +
+    final _url = 'apps/reseller/v1/customers/' +
         commons.Escaper.ecapeVariable('$customerId');
 
     final _response = await _requester.request(
@@ -142,8 +140,6 @@
     core.String customerAuthToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -156,7 +152,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/customers';
+    const _url = 'apps/reseller/v1/customers';
 
     final _response = await _requester.request(
       _url,
@@ -193,8 +189,6 @@
     core.String customerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -207,7 +201,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/customers/' +
+    final _url = 'apps/reseller/v1/customers/' +
         commons.Escaper.ecapeVariable('$customerId');
 
     final _response = await _requester.request(
@@ -245,8 +239,6 @@
     core.String customerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -259,7 +251,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/customers/' +
+    final _url = 'apps/reseller/v1/customers/' +
         commons.Escaper.ecapeVariable('$customerId');
 
     final _response = await _requester.request(
@@ -294,14 +286,12 @@
   async.Future<ResellernotifyGetwatchdetailsResponse> getwatchdetails({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/resellernotify/getwatchdetails';
+    const _url = 'apps/reseller/v1/resellernotify/getwatchdetails';
 
     final _response = await _requester.request(
       _url,
@@ -333,8 +323,6 @@
     core.String serviceAccountEmailAddress,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (serviceAccountEmailAddress != null) {
       _queryParams['serviceAccountEmailAddress'] = [serviceAccountEmailAddress];
@@ -343,7 +331,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/resellernotify/register';
+    const _url = 'apps/reseller/v1/resellernotify/register';
 
     final _response = await _requester.request(
       _url,
@@ -375,8 +363,6 @@
     core.String serviceAccountEmailAddress,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (serviceAccountEmailAddress != null) {
       _queryParams['serviceAccountEmailAddress'] = [serviceAccountEmailAddress];
@@ -385,7 +371,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/resellernotify/unregister';
+    const _url = 'apps/reseller/v1/resellernotify/unregister';
 
     final _response = await _requester.request(
       _url,
@@ -432,8 +418,6 @@
     core.String subscriptionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -445,7 +429,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/customers/' +
+    final _url = 'apps/reseller/v1/customers/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/subscriptions/' +
         commons.Escaper.ecapeVariable('$subscriptionId') +
@@ -496,8 +480,6 @@
     core.String subscriptionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -513,7 +495,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/customers/' +
+    final _url = 'apps/reseller/v1/customers/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/subscriptions/' +
         commons.Escaper.ecapeVariable('$subscriptionId') +
@@ -564,8 +546,6 @@
     core.String subscriptionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -581,7 +561,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/customers/' +
+    final _url = 'apps/reseller/v1/customers/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/subscriptions/' +
         commons.Escaper.ecapeVariable('$subscriptionId') +
@@ -630,8 +610,6 @@
     core.String subscriptionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -647,7 +625,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/customers/' +
+    final _url = 'apps/reseller/v1/customers/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/subscriptions/' +
         commons.Escaper.ecapeVariable('$subscriptionId') +
@@ -704,8 +682,6 @@
     core.String deletionType, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -721,7 +697,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/customers/' +
+    final _url = 'apps/reseller/v1/customers/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/subscriptions/' +
         commons.Escaper.ecapeVariable('$subscriptionId');
@@ -764,8 +740,6 @@
     core.String subscriptionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -777,7 +751,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/customers/' +
+    final _url = 'apps/reseller/v1/customers/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/subscriptions/' +
         commons.Escaper.ecapeVariable('$subscriptionId');
@@ -825,8 +799,6 @@
     core.String customerAuthToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -842,7 +814,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/customers/' +
+    final _url = 'apps/reseller/v1/customers/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/subscriptions';
 
@@ -908,8 +880,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (customerAuthToken != null) {
       _queryParams['customerAuthToken'] = [customerAuthToken];
@@ -930,7 +900,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/subscriptions';
+    const _url = 'apps/reseller/v1/subscriptions';
 
     final _response = await _requester.request(
       _url,
@@ -972,8 +942,6 @@
     core.String subscriptionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -985,7 +953,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/customers/' +
+    final _url = 'apps/reseller/v1/customers/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/subscriptions/' +
         commons.Escaper.ecapeVariable('$subscriptionId') +
@@ -1030,8 +998,6 @@
     core.String subscriptionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (customerId == null) {
       throw core.ArgumentError('Parameter customerId is required.');
     }
@@ -1043,7 +1009,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apps/reseller/v1/customers/' +
+    final _url = 'apps/reseller/v1/customers/' +
         commons.Escaper.ecapeVariable('$customerId') +
         '/subscriptions/' +
         commons.Escaper.ecapeVariable('$subscriptionId') +

generated/googleapis/lib/retail/v2.dart

diff --git a/generated/googleapis/lib/retail/v2.dart b/generated/googleapis/lib/retail/v2.dart
index e16a13c..0f46174 100644
--- a/generated/googleapis/lib/retail/v2.dart
+++ b/generated/googleapis/lib/retail/v2.dart
@@ -139,8 +139,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -155,7 +153,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/catalogs';
 
     final _response = await _requester.request(
@@ -199,8 +197,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -216,7 +212,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -273,8 +269,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -283,7 +277,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -336,8 +330,6 @@
     core.String productId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -353,7 +345,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$parent') + '/products';
 
     final _response = await _requester.request(
@@ -395,8 +387,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -405,7 +395,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -442,8 +432,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -452,7 +440,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -495,8 +483,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -509,7 +495,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/products:import';
 
@@ -562,8 +548,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -582,7 +566,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -626,8 +610,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -636,7 +618,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -687,8 +669,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -706,7 +686,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(
@@ -770,8 +750,6 @@
     core.String placement, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -784,7 +762,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$placement') +
         ':predict';
 
@@ -847,8 +825,6 @@
     core.String userEvent,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -866,7 +842,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/userEvents:collect';
 
@@ -911,8 +887,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -925,7 +899,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/userEvents:import';
 
@@ -970,8 +944,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -984,7 +956,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/userEvents:purge';
 
@@ -1031,8 +1003,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1045,7 +1015,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/userEvents:rejoin';
 
@@ -1085,8 +1055,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1099,7 +1067,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' +
+    final _url = 'v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/userEvents:write';
 
@@ -1145,8 +1113,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1155,7 +1121,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v2/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1205,8 +1171,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1224,7 +1188,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v2/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(

generated/googleapis/lib/run/v1.dart

diff --git a/generated/googleapis/lib/run/v1.dart b/generated/googleapis/lib/run/v1.dart
index 6481d34..2b4e8b3 100644
--- a/generated/googleapis/lib/run/v1.dart
+++ b/generated/googleapis/lib/run/v1.dart
@@ -124,8 +124,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -140,7 +138,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/domains.cloudrun.com/v1/' +
+    final _url = 'apis/domains.cloudrun.com/v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/authorizeddomains';
 
@@ -182,8 +180,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -192,7 +188,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/serving.knative.dev/v1/' +
+    final _url = 'apis/serving.knative.dev/v1/' +
         commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
@@ -253,8 +249,6 @@
     core.bool watch,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -284,7 +278,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/serving.knative.dev/v1/' +
+    final _url = 'apis/serving.knative.dev/v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/configurations';
 
@@ -330,8 +324,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -344,7 +336,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/domains.cloudrun.com/v1/' +
+    final _url = 'apis/domains.cloudrun.com/v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/domainmappings';
 
@@ -392,8 +384,6 @@
     core.String propagationPolicy,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -411,7 +401,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/domains.cloudrun.com/v1/' +
+    final _url = 'apis/domains.cloudrun.com/v1/' +
         commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
@@ -444,8 +434,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -454,7 +442,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/domains.cloudrun.com/v1/' +
+    final _url = 'apis/domains.cloudrun.com/v1/' +
         commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
@@ -515,8 +503,6 @@
     core.bool watch,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -546,7 +532,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/domains.cloudrun.com/v1/' +
+    final _url = 'apis/domains.cloudrun.com/v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/domainmappings';
 
@@ -600,8 +586,6 @@
     core.String propagationPolicy,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -619,7 +603,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/serving.knative.dev/v1/' +
+    final _url = 'apis/serving.knative.dev/v1/' +
         commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
@@ -652,8 +636,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -662,7 +644,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/serving.knative.dev/v1/' +
+    final _url = 'apis/serving.knative.dev/v1/' +
         commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
@@ -722,8 +704,6 @@
     core.bool watch,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -753,7 +733,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/serving.knative.dev/v1/' +
+    final _url = 'apis/serving.knative.dev/v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/revisions';
 
@@ -794,8 +774,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -804,7 +782,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/serving.knative.dev/v1/' +
+    final _url = 'apis/serving.knative.dev/v1/' +
         commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
@@ -863,8 +841,6 @@
     core.bool watch,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -894,7 +870,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/serving.knative.dev/v1/' +
+    final _url = 'apis/serving.knative.dev/v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/routes';
 
@@ -938,8 +914,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -952,7 +926,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/serving.knative.dev/v1/' +
+    final _url = 'apis/serving.knative.dev/v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/services';
 
@@ -1002,8 +976,6 @@
     core.String propagationPolicy,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1021,7 +993,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/serving.knative.dev/v1/' +
+    final _url = 'apis/serving.knative.dev/v1/' +
         commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
@@ -1054,8 +1026,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1064,7 +1034,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/serving.knative.dev/v1/' +
+    final _url = 'apis/serving.knative.dev/v1/' +
         commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
@@ -1124,8 +1094,6 @@
     core.bool watch,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1155,7 +1123,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/serving.knative.dev/v1/' +
+    final _url = 'apis/serving.knative.dev/v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/services';
 
@@ -1198,8 +1166,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1212,7 +1178,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'apis/serving.knative.dev/v1/' +
+    final _url = 'apis/serving.knative.dev/v1/' +
         commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
@@ -1270,8 +1236,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1286,7 +1250,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/authorizeddomains';
 
@@ -1348,8 +1312,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1367,7 +1329,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -1414,8 +1376,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1430,7 +1390,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/authorizeddomains';
 
@@ -1473,8 +1433,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1483,7 +1441,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1543,8 +1501,6 @@
     core.bool watch,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1574,7 +1530,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/configurations';
 
@@ -1620,8 +1576,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1634,7 +1588,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/domainmappings';
 
@@ -1683,8 +1637,6 @@
     core.String propagationPolicy,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1702,7 +1654,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1735,8 +1687,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1745,7 +1695,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1805,8 +1755,6 @@
     core.bool watch,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1836,7 +1784,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/domainmappings';
 
@@ -1891,8 +1839,6 @@
     core.String propagationPolicy,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1910,7 +1856,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1943,8 +1889,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1953,7 +1897,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2012,8 +1956,6 @@
     core.bool watch,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2043,7 +1985,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/revisions';
 
     final _response = await _requester.request(
@@ -2085,8 +2027,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2095,7 +2035,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2153,8 +2093,6 @@
     core.bool watch,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2184,7 +2122,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/routes';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/routes';
 
     final _response = await _requester.request(
       _url,
@@ -2227,8 +2166,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2241,7 +2178,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/services';
 
     final _response = await _requester.request(
@@ -2291,8 +2228,6 @@
     core.String propagationPolicy,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2310,7 +2245,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2343,8 +2278,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2353,7 +2286,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2399,8 +2332,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -2414,7 +2345,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -2475,8 +2406,6 @@
     core.bool watch,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2506,7 +2435,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/services';
 
     final _response = await _requester.request(
@@ -2549,8 +2478,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2563,7 +2490,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2603,8 +2530,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2617,7 +2542,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -2659,8 +2584,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2673,7 +2596,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 

generated/googleapis/lib/runtimeconfig/v1.dart

diff --git a/generated/googleapis/lib/runtimeconfig/v1.dart b/generated/googleapis/lib/runtimeconfig/v1.dart
index ff55b0a..0478fdf 100644
--- a/generated/googleapis/lib/runtimeconfig/v1.dart
+++ b/generated/googleapis/lib/runtimeconfig/v1.dart
@@ -104,8 +104,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -118,7 +116,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -154,8 +153,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -164,7 +161,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -213,8 +210,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -232,7 +227,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/safebrowsing/v4.dart

diff --git a/generated/googleapis/lib/safebrowsing/v4.dart b/generated/googleapis/lib/safebrowsing/v4.dart
index ab3f3e1..d87821a 100644
--- a/generated/googleapis/lib/safebrowsing/v4.dart
+++ b/generated/googleapis/lib/safebrowsing/v4.dart
@@ -104,8 +104,6 @@
     core.String clientVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (encodedRequest == null) {
       throw core.ArgumentError('Parameter encodedRequest is required.');
     }
@@ -120,7 +118,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/encodedFullHashes/' +
+    final _url = 'v4/encodedFullHashes/' +
         commons.Escaper.ecapeVariable('$encodedRequest');
 
     final _response = await _requester.request(
@@ -164,8 +162,6 @@
     core.String clientVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (encodedRequest == null) {
       throw core.ArgumentError('Parameter encodedRequest is required.');
     }
@@ -180,7 +176,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v4/encodedUpdates/' + commons.Escaper.ecapeVariable('$encodedRequest');
 
     final _response = await _requester.request(
@@ -218,8 +214,6 @@
     GoogleSecuritySafebrowsingV4FindFullHashesRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -229,7 +223,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/fullHashes:find';
+    const _url = 'v4/fullHashes:find';
 
     final _response = await _requester.request(
       _url,
@@ -269,8 +263,6 @@
     GoogleSecuritySafebrowsingV4ThreatHit request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -280,7 +272,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/threatHits';
+    const _url = 'v4/threatHits';
 
     final _response = await _requester.request(
       _url,
@@ -322,8 +314,6 @@
     GoogleSecuritySafebrowsingV4FetchThreatListUpdatesRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -333,7 +323,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/threatListUpdates:fetch';
+    const _url = 'v4/threatListUpdates:fetch';
 
     final _response = await _requester.request(
       _url,
@@ -368,14 +358,12 @@
   async.Future<GoogleSecuritySafebrowsingV4ListThreatListsResponse> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/threatLists';
+    const _url = 'v4/threatLists';
 
     final _response = await _requester.request(
       _url,
@@ -412,8 +400,6 @@
     GoogleSecuritySafebrowsingV4FindThreatMatchesRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -423,7 +409,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/threatMatches:find';
+    const _url = 'v4/threatMatches:find';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/script/v1.dart

diff --git a/generated/googleapis/lib/script/v1.dart b/generated/googleapis/lib/script/v1.dart
index b1fe1b5..94298ee 100644
--- a/generated/googleapis/lib/script/v1.dart
+++ b/generated/googleapis/lib/script/v1.dart
@@ -195,8 +195,6 @@
     core.List<core.String> userProcessFilter_userAccessLevels,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -244,7 +242,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/processes';
+    const _url = 'v1/processes';
 
     final _response = await _requester.request(
       _url,
@@ -316,8 +314,6 @@
     core.List<core.String> scriptProcessFilter_userAccessLevels,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -363,7 +359,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/processes:listScriptProcesses';
+    const _url = 'v1/processes:listScriptProcesses';
 
     final _response = await _requester.request(
       _url,
@@ -405,8 +401,6 @@
     CreateProjectRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -416,7 +410,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects';
+    const _url = 'v1/projects';
 
     final _response = await _requester.request(
       _url,
@@ -447,8 +441,6 @@
     core.String scriptId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (scriptId == null) {
       throw core.ArgumentError('Parameter scriptId is required.');
     }
@@ -457,7 +449,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' + commons.Escaper.ecapeVariable('$scriptId');
+    final _url = 'v1/projects/' + commons.Escaper.ecapeVariable('$scriptId');
 
     final _response = await _requester.request(
       _url,
@@ -492,8 +484,6 @@
     core.int versionNumber,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (scriptId == null) {
       throw core.ArgumentError('Parameter scriptId is required.');
     }
@@ -505,7 +495,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$scriptId') +
         '/content';
 
@@ -551,8 +541,6 @@
     core.String metricsGranularity,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (scriptId == null) {
       throw core.ArgumentError('Parameter scriptId is required.');
     }
@@ -567,7 +555,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$scriptId') +
         '/metrics';
 
@@ -607,8 +595,6 @@
     core.String scriptId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -621,7 +607,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$scriptId') +
         '/content';
 
@@ -664,8 +650,6 @@
     core.String scriptId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -678,7 +662,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$scriptId') +
         '/deployments';
 
@@ -715,8 +699,6 @@
     core.String deploymentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (scriptId == null) {
       throw core.ArgumentError('Parameter scriptId is required.');
     }
@@ -728,7 +710,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$scriptId') +
         '/deployments/' +
         commons.Escaper.ecapeVariable('$deploymentId');
@@ -764,8 +746,6 @@
     core.String deploymentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (scriptId == null) {
       throw core.ArgumentError('Parameter scriptId is required.');
     }
@@ -777,7 +757,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$scriptId') +
         '/deployments/' +
         commons.Escaper.ecapeVariable('$deploymentId');
@@ -820,8 +800,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (scriptId == null) {
       throw core.ArgumentError('Parameter scriptId is required.');
     }
@@ -836,7 +814,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$scriptId') +
         '/deployments';
 
@@ -875,8 +853,6 @@
     core.String deploymentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -892,7 +868,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$scriptId') +
         '/deployments/' +
         commons.Escaper.ecapeVariable('$deploymentId');
@@ -937,8 +913,6 @@
     core.String scriptId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -951,7 +925,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$scriptId') +
         '/versions';
 
@@ -987,8 +961,6 @@
     core.int versionNumber, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (scriptId == null) {
       throw core.ArgumentError('Parameter scriptId is required.');
     }
@@ -1000,7 +972,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$scriptId') +
         '/versions/' +
         commons.Escaper.ecapeVariable('$versionNumber');
@@ -1042,8 +1014,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (scriptId == null) {
       throw core.ArgumentError('Parameter scriptId is required.');
     }
@@ -1058,7 +1028,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$scriptId') +
         '/versions';
 
@@ -1113,8 +1083,6 @@
     core.String scriptId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1127,7 +1095,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/scripts/' + commons.Escaper.ecapeVariable('$scriptId') + ':run';
+    final _url =
+        'v1/scripts/' + commons.Escaper.ecapeVariable('$scriptId') + ':run';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/searchconsole/v1.dart

diff --git a/generated/googleapis/lib/searchconsole/v1.dart b/generated/googleapis/lib/searchconsole/v1.dart
index cfc732d..0f3f37e 100644
--- a/generated/googleapis/lib/searchconsole/v1.dart
+++ b/generated/googleapis/lib/searchconsole/v1.dart
@@ -104,8 +104,6 @@
     core.String siteUrl, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -118,7 +116,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'webmasters/v3/sites/' +
+    final _url = 'webmasters/v3/sites/' +
         commons.Escaper.ecapeVariable('$siteUrl') +
         '/searchAnalytics/query';
 
@@ -161,8 +159,6 @@
     core.String feedpath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (siteUrl == null) {
       throw core.ArgumentError('Parameter siteUrl is required.');
     }
@@ -174,7 +170,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'webmasters/v3/sites/' +
+    final _url = 'webmasters/v3/sites/' +
         commons.Escaper.ecapeVariable('$siteUrl') +
         '/sitemaps/' +
         commons.Escaper.ecapeVariable('$feedpath');
@@ -212,8 +208,6 @@
     core.String feedpath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (siteUrl == null) {
       throw core.ArgumentError('Parameter siteUrl is required.');
     }
@@ -225,7 +219,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'webmasters/v3/sites/' +
+    final _url = 'webmasters/v3/sites/' +
         commons.Escaper.ecapeVariable('$siteUrl') +
         '/sitemaps/' +
         commons.Escaper.ecapeVariable('$feedpath');
@@ -266,8 +260,6 @@
     core.String sitemapIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (siteUrl == null) {
       throw core.ArgumentError('Parameter siteUrl is required.');
     }
@@ -279,7 +271,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'webmasters/v3/sites/' +
+    final _url = 'webmasters/v3/sites/' +
         commons.Escaper.ecapeVariable('$siteUrl') +
         '/sitemaps';
 
@@ -315,8 +307,6 @@
     core.String feedpath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (siteUrl == null) {
       throw core.ArgumentError('Parameter siteUrl is required.');
     }
@@ -328,7 +318,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'webmasters/v3/sites/' +
+    final _url = 'webmasters/v3/sites/' +
         commons.Escaper.ecapeVariable('$siteUrl') +
         '/sitemaps/' +
         commons.Escaper.ecapeVariable('$feedpath');
@@ -365,8 +355,6 @@
     core.String siteUrl, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (siteUrl == null) {
       throw core.ArgumentError('Parameter siteUrl is required.');
     }
@@ -375,7 +363,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'webmasters/v3/sites/' + commons.Escaper.ecapeVariable('$siteUrl');
+    final _url =
+        'webmasters/v3/sites/' + commons.Escaper.ecapeVariable('$siteUrl');
 
     await _requester.request(
       _url,
@@ -404,8 +393,6 @@
     core.String siteUrl, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (siteUrl == null) {
       throw core.ArgumentError('Parameter siteUrl is required.');
     }
@@ -414,7 +401,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'webmasters/v3/sites/' + commons.Escaper.ecapeVariable('$siteUrl');
+    final _url =
+        'webmasters/v3/sites/' + commons.Escaper.ecapeVariable('$siteUrl');
 
     await _requester.request(
       _url,
@@ -445,8 +433,6 @@
     core.String siteUrl, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (siteUrl == null) {
       throw core.ArgumentError('Parameter siteUrl is required.');
     }
@@ -455,7 +441,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'webmasters/v3/sites/' + commons.Escaper.ecapeVariable('$siteUrl');
+    final _url =
+        'webmasters/v3/sites/' + commons.Escaper.ecapeVariable('$siteUrl');
 
     final _response = await _requester.request(
       _url,
@@ -482,14 +469,12 @@
   async.Future<SitesListResponse> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'webmasters/v3/sites';
+    const _url = 'webmasters/v3/sites';
 
     final _response = await _requester.request(
       _url,
@@ -536,8 +521,6 @@
     RunMobileFriendlyTestRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -547,7 +530,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/urlTestingTools/mobileFriendlyTest:run';
+    const _url = 'v1/urlTestingTools/mobileFriendlyTest:run';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/secretmanager/v1.dart

diff --git a/generated/googleapis/lib/secretmanager/v1.dart b/generated/googleapis/lib/secretmanager/v1.dart
index 2f26306..3c5c6be 100644
--- a/generated/googleapis/lib/secretmanager/v1.dart
+++ b/generated/googleapis/lib/secretmanager/v1.dart
@@ -96,8 +96,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -106,7 +104,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -146,8 +144,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -165,7 +161,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -212,8 +208,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -226,7 +220,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':addVersion';
 
@@ -271,8 +265,6 @@
     core.String secretId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -288,7 +280,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/secrets';
 
     final _response = await _requester.request(
@@ -322,8 +314,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -332,7 +322,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -364,8 +354,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -374,7 +362,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -418,8 +406,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -433,7 +419,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -476,8 +462,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -492,7 +476,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/secrets';
 
     final _response = await _requester.request(
@@ -532,8 +516,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -549,7 +531,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -589,8 +571,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -603,7 +583,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -647,8 +627,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -661,7 +639,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -708,8 +686,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -718,7 +694,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':access';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':access';
 
     final _response = await _requester.request(
       _url,
@@ -758,8 +735,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -772,7 +747,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':destroy';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':destroy';
 
     final _response = await _requester.request(
       _url,
@@ -812,8 +788,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -826,7 +800,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':disable';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':disable';
 
     final _response = await _requester.request(
       _url,
@@ -866,8 +841,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -880,7 +853,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':enable';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':enable';
 
     final _response = await _requester.request(
       _url,
@@ -919,8 +893,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -929,7 +901,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -973,8 +945,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -989,7 +959,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/versions';
 
     final _response = await _requester.request(

generated/googleapis/lib/securitycenter/v1.dart

diff --git a/generated/googleapis/lib/securitycenter/v1.dart b/generated/googleapis/lib/securitycenter/v1.dart
index d9986ef..f2706c9 100644
--- a/generated/googleapis/lib/securitycenter/v1.dart
+++ b/generated/googleapis/lib/securitycenter/v1.dart
@@ -112,8 +112,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -126,7 +124,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/assets:group';
 
@@ -254,8 +252,6 @@
     core.String readTime,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -285,7 +281,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/assets';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/assets';
 
     final _response = await _requester.request(
       _url,
@@ -335,8 +332,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -355,7 +350,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -408,8 +403,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -424,7 +417,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sources';
 
     final _response = await _requester.request(
@@ -479,8 +472,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -493,7 +484,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/findings:group';
 
@@ -616,8 +607,6 @@
     core.String readTime,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -647,7 +636,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/findings';
 
     final _response = await _requester.request(
@@ -696,8 +685,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -713,7 +700,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -752,8 +739,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -766,7 +751,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':setState';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':setState';
 
     final _response = await _requester.request(
       _url,
@@ -817,8 +803,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -837,7 +821,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -887,8 +871,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -897,7 +879,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -938,8 +920,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -955,7 +935,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1001,8 +981,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1015,7 +993,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/assets:group';
 
@@ -1143,8 +1121,6 @@
     core.String readTime,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1174,7 +1150,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/assets';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/assets';
 
     final _response = await _requester.request(
       _url,
@@ -1214,8 +1191,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1228,7 +1203,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/assets:runDiscovery';
 
@@ -1281,8 +1256,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1301,7 +1274,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1350,8 +1323,6 @@
     core.String configId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1367,7 +1338,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/notificationConfigs';
 
@@ -1404,8 +1375,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1414,7 +1383,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1447,8 +1416,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1457,7 +1424,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1500,8 +1467,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1516,7 +1481,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/notificationConfigs';
 
@@ -1564,8 +1529,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1581,7 +1544,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1630,8 +1593,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1640,7 +1601,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -1675,8 +1637,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1685,7 +1645,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1719,8 +1679,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1729,7 +1687,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1778,8 +1736,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1797,7 +1753,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1843,8 +1799,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1857,7 +1811,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sources';
 
     final _response = await _requester.request(
@@ -1891,8 +1845,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1901,7 +1853,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1937,8 +1889,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1951,7 +1901,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -1996,8 +1946,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2012,7 +1960,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sources';
 
     final _response = await _requester.request(
@@ -2054,8 +2002,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2071,7 +2017,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2108,8 +2054,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2122,7 +2066,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -2161,8 +2105,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2175,7 +2117,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -2228,8 +2170,6 @@
     core.String findingId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2245,7 +2185,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/findings';
 
     final _response = await _requester.request(
@@ -2293,8 +2233,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2307,7 +2245,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/findings:group';
 
@@ -2430,8 +2368,6 @@
     core.String readTime,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2461,7 +2397,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/findings';
 
     final _response = await _requester.request(
@@ -2510,8 +2446,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2527,7 +2461,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2566,8 +2500,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2580,7 +2512,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':setState';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':setState';
 
     final _response = await _requester.request(
       _url,
@@ -2631,8 +2564,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2651,7 +2582,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2705,8 +2636,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2719,7 +2648,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/assets:group';
 
@@ -2847,8 +2776,6 @@
     core.String readTime,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2878,7 +2805,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/assets';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/assets';
 
     final _response = await _requester.request(
       _url,
@@ -2928,8 +2856,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2948,7 +2874,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3001,8 +2927,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3017,7 +2941,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/sources';
 
     final _response = await _requester.request(
@@ -3072,8 +2996,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3086,7 +3008,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/findings:group';
 
@@ -3209,8 +3131,6 @@
     core.String readTime,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3240,7 +3160,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/findings';
 
     final _response = await _requester.request(
@@ -3289,8 +3209,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3306,7 +3224,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3345,8 +3263,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3359,7 +3275,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':setState';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':setState';
 
     final _response = await _requester.request(
       _url,
@@ -3410,8 +3327,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3430,7 +3345,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/serviceconsumermanagement/v1.dart

diff --git a/generated/googleapis/lib/serviceconsumermanagement/v1.dart b/generated/googleapis/lib/serviceconsumermanagement/v1.dart
index fe2efa0..6597a80 100644
--- a/generated/googleapis/lib/serviceconsumermanagement/v1.dart
+++ b/generated/googleapis/lib/serviceconsumermanagement/v1.dart
@@ -98,8 +98,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -112,7 +110,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -148,8 +147,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -158,7 +155,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -192,8 +189,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -202,7 +197,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -251,8 +246,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -270,7 +263,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -338,8 +331,6 @@
     core.String query,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -357,7 +348,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + ':search';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + ':search';
 
     final _response = await _requester.request(
       _url,
@@ -406,8 +398,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -420,7 +410,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':addProject';
 
@@ -474,8 +464,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -488,7 +476,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':applyProjectConfig';
 
@@ -537,8 +525,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -551,7 +537,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':attachProject';
 
@@ -598,8 +584,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -612,7 +596,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/tenancyUnits';
 
@@ -651,8 +635,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -661,7 +643,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -706,8 +688,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -720,7 +700,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':deleteProject';
 
@@ -777,8 +757,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -796,7 +774,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/tenancyUnits';
 
@@ -843,8 +821,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -857,7 +833,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':removeProject';
 
@@ -901,8 +877,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -915,7 +889,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':undeleteProject';
 

generated/googleapis/lib/servicecontrol/v1.dart

diff --git a/generated/googleapis/lib/servicecontrol/v1.dart b/generated/googleapis/lib/servicecontrol/v1.dart
index fc9646e..c754c8f 100644
--- a/generated/googleapis/lib/servicecontrol/v1.dart
+++ b/generated/googleapis/lib/servicecontrol/v1.dart
@@ -98,8 +98,6 @@
     core.String serviceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -112,7 +110,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services/' +
+    final _url = 'v1/services/' +
         commons.Escaper.ecapeVariable('$serviceName') +
         ':allocateQuota';
 
@@ -163,8 +161,6 @@
     core.String serviceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -177,7 +173,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services/' +
+    final _url = 'v1/services/' +
         commons.Escaper.ecapeVariable('$serviceName') +
         ':check';
 
@@ -228,8 +224,6 @@
     core.String serviceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -242,7 +236,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services/' +
+    final _url = 'v1/services/' +
         commons.Escaper.ecapeVariable('$serviceName') +
         ':report';
 

generated/googleapis/lib/servicecontrol/v2.dart

diff --git a/generated/googleapis/lib/servicecontrol/v2.dart b/generated/googleapis/lib/servicecontrol/v2.dart
index 029920e..eb55307 100644
--- a/generated/googleapis/lib/servicecontrol/v2.dart
+++ b/generated/googleapis/lib/servicecontrol/v2.dart
@@ -107,8 +107,6 @@
     core.String serviceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -121,7 +119,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/services/' +
+    final _url = 'v2/services/' +
         commons.Escaper.ecapeVariable('$serviceName') +
         ':check';
 
@@ -173,8 +171,6 @@
     core.String serviceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -187,7 +183,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/services/' +
+    final _url = 'v2/services/' +
         commons.Escaper.ecapeVariable('$serviceName') +
         ':report';
 

generated/googleapis/lib/servicedirectory/v1.dart

diff --git a/generated/googleapis/lib/servicedirectory/v1.dart b/generated/googleapis/lib/servicedirectory/v1.dart
index 9b2188f..6cf4645 100644
--- a/generated/googleapis/lib/servicedirectory/v1.dart
+++ b/generated/googleapis/lib/servicedirectory/v1.dart
@@ -98,8 +98,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -108,7 +106,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -148,8 +146,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -167,7 +163,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -222,8 +218,6 @@
     core.String namespaceId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -239,7 +233,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/namespaces';
 
@@ -276,8 +270,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -286,7 +278,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -318,8 +310,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -328,7 +318,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -365,8 +355,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -379,7 +367,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -445,8 +433,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -467,7 +453,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/namespaces';
 
@@ -509,8 +495,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -526,7 +510,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -564,8 +548,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -578,7 +560,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -618,8 +600,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -632,7 +612,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -690,8 +670,6 @@
     core.String serviceId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -707,7 +685,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/services';
 
     final _response = await _requester.request(
@@ -743,8 +721,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -753,7 +729,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -785,8 +761,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -795,7 +769,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -832,8 +806,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -846,7 +818,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -910,8 +882,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -932,7 +902,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/services';
 
     final _response = await _requester.request(
@@ -973,8 +943,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -990,7 +958,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1028,8 +996,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1042,7 +1008,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':resolve';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':resolve';
 
     final _response = await _requester.request(
       _url,
@@ -1081,8 +1048,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1095,7 +1060,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1135,8 +1100,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1149,7 +1112,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -1205,8 +1168,6 @@
     core.String endpointId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1222,7 +1183,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/endpoints';
 
     final _response = await _requester.request(
@@ -1256,8 +1217,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1266,7 +1225,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1298,8 +1257,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1308,7 +1265,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1371,8 +1328,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1393,7 +1348,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/endpoints';
 
     final _response = await _requester.request(
@@ -1435,8 +1390,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1452,7 +1405,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/servicemanagement/v1.dart

diff --git a/generated/googleapis/lib/servicemanagement/v1.dart b/generated/googleapis/lib/servicemanagement/v1.dart
index ac53cb4..a253d49 100644
--- a/generated/googleapis/lib/servicemanagement/v1.dart
+++ b/generated/googleapis/lib/servicemanagement/v1.dart
@@ -104,8 +104,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -114,7 +112,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -166,8 +164,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filter != null) {
       _queryParams['filter'] = [filter];
@@ -185,7 +181,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/operations';
+    const _url = 'v1/operations';
 
     final _response = await _requester.request(
       _url,
@@ -233,8 +229,6 @@
     ManagedService request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -244,7 +238,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services';
+    const _url = 'v1/services';
 
     final _response = await _requester.request(
       _url,
@@ -282,8 +276,6 @@
     core.String serviceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (serviceName == null) {
       throw core.ArgumentError('Parameter serviceName is required.');
     }
@@ -292,7 +284,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services/' + commons.Escaper.ecapeVariable('$serviceName');
+    final _url = 'v1/services/' + commons.Escaper.ecapeVariable('$serviceName');
 
     final _response = await _requester.request(
       _url,
@@ -329,8 +321,6 @@
     core.String serviceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -343,7 +333,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services/' +
+    final _url = 'v1/services/' +
         commons.Escaper.ecapeVariable('$serviceName') +
         ':enable';
 
@@ -385,8 +375,6 @@
     GenerateConfigReportRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -396,7 +384,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services:generateConfigReport';
+    const _url = 'v1/services:generateConfigReport';
 
     final _response = await _requester.request(
       _url,
@@ -432,8 +420,6 @@
     core.String serviceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (serviceName == null) {
       throw core.ArgumentError('Parameter serviceName is required.');
     }
@@ -442,7 +428,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services/' + commons.Escaper.ecapeVariable('$serviceName');
+    final _url = 'v1/services/' + commons.Escaper.ecapeVariable('$serviceName');
 
     final _response = await _requester.request(
       _url,
@@ -490,8 +476,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (serviceName == null) {
       throw core.ArgumentError('Parameter serviceName is required.');
     }
@@ -506,7 +490,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services/' +
+    final _url = 'v1/services/' +
         commons.Escaper.ecapeVariable('$serviceName') +
         '/config';
 
@@ -547,8 +531,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -561,7 +543,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -613,8 +595,6 @@
     core.String producerProjectId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (consumerId != null) {
       _queryParams['consumerId'] = [consumerId];
@@ -632,7 +612,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services';
+    const _url = 'v1/services';
 
     final _response = await _requester.request(
       _url,
@@ -672,8 +652,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -686,7 +664,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -730,8 +708,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -744,7 +720,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -784,8 +760,6 @@
     core.String serviceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (serviceName == null) {
       throw core.ArgumentError('Parameter serviceName is required.');
     }
@@ -794,7 +768,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services/' +
+    final _url = 'v1/services/' +
         commons.Escaper.ecapeVariable('$serviceName') +
         ':undelete';
 
@@ -842,8 +816,6 @@
     core.String serviceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -856,7 +828,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services/' +
+    final _url = 'v1/services/' +
         commons.Escaper.ecapeVariable('$serviceName') +
         '/configs';
 
@@ -906,8 +878,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (serviceName == null) {
       throw core.ArgumentError('Parameter serviceName is required.');
     }
@@ -922,7 +892,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services/' +
+    final _url = 'v1/services/' +
         commons.Escaper.ecapeVariable('$serviceName') +
         '/configs/' +
         commons.Escaper.ecapeVariable('$configId');
@@ -965,8 +935,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (serviceName == null) {
       throw core.ArgumentError('Parameter serviceName is required.');
     }
@@ -981,7 +949,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services/' +
+    final _url = 'v1/services/' +
         commons.Escaper.ecapeVariable('$serviceName') +
         '/configs';
 
@@ -1028,8 +996,6 @@
     core.String serviceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1042,7 +1008,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services/' +
+    final _url = 'v1/services/' +
         commons.Escaper.ecapeVariable('$serviceName') +
         '/configs:submit';
 
@@ -1090,8 +1056,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1104,7 +1068,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -1146,8 +1110,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1160,7 +1122,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1204,8 +1166,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1218,7 +1178,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -1272,8 +1232,6 @@
     core.String serviceName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1286,7 +1244,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services/' +
+    final _url = 'v1/services/' +
         commons.Escaper.ecapeVariable('$serviceName') +
         '/rollouts';
 
@@ -1324,8 +1282,6 @@
     core.String rolloutId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (serviceName == null) {
       throw core.ArgumentError('Parameter serviceName is required.');
     }
@@ -1337,7 +1293,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services/' +
+    final _url = 'v1/services/' +
         commons.Escaper.ecapeVariable('$serviceName') +
         '/rollouts/' +
         commons.Escaper.ecapeVariable('$rolloutId');
@@ -1388,8 +1344,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (serviceName == null) {
       throw core.ArgumentError('Parameter serviceName is required.');
     }
@@ -1407,7 +1361,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/services/' +
+    final _url = 'v1/services/' +
         commons.Escaper.ecapeVariable('$serviceName') +
         '/rollouts';
 

generated/googleapis/lib/servicenetworking/v1.dart

diff --git a/generated/googleapis/lib/servicenetworking/v1.dart b/generated/googleapis/lib/servicenetworking/v1.dart
index eb29235..68bc1dd 100644
--- a/generated/googleapis/lib/servicenetworking/v1.dart
+++ b/generated/googleapis/lib/servicenetworking/v1.dart
@@ -109,8 +109,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -123,7 +121,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -159,8 +158,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -169,7 +166,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -203,8 +200,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -213,7 +208,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -262,8 +257,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -281,7 +274,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -346,8 +339,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -360,7 +351,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':addSubnetwork';
 
@@ -399,8 +390,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -413,7 +402,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':disableVpcServiceControls';
 
@@ -452,8 +441,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -466,7 +453,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':enableVpcServiceControls';
 
@@ -511,8 +498,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -525,7 +510,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':searchRange';
 
@@ -569,8 +554,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -583,7 +566,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + ':validate';
 
     final _response = await _requester.request(
@@ -636,8 +619,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -650,7 +631,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/connections';
 
@@ -697,8 +678,6 @@
     core.String network,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -710,7 +689,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/connections';
 
@@ -760,8 +739,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -780,7 +757,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -825,8 +802,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -839,7 +814,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dnsRecordSets:add';
 
@@ -879,8 +854,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -893,7 +866,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dnsRecordSets:remove';
 
@@ -933,8 +906,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -947,7 +918,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dnsRecordSets:update';
 
@@ -994,8 +965,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1008,7 +977,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dnsZones:add';
 
@@ -1049,8 +1018,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1063,7 +1030,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/dnsZones:remove';
 
@@ -1135,8 +1102,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1145,7 +1110,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1191,8 +1156,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1205,7 +1168,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':updateConsumerConfig';
 
@@ -1261,8 +1224,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1275,7 +1236,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/peeredDnsDomains';
 
@@ -1318,8 +1279,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1328,7 +1287,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1367,8 +1326,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1377,7 +1334,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/peeredDnsDomains';
 
@@ -1427,8 +1384,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1441,7 +1396,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/roles:add';
 
     final _response = await _requester.request(

generated/googleapis/lib/serviceusage/v1.dart

diff --git a/generated/googleapis/lib/serviceusage/v1.dart b/generated/googleapis/lib/serviceusage/v1.dart
index 59d7778..b3f3701 100644
--- a/generated/googleapis/lib/serviceusage/v1.dart
+++ b/generated/googleapis/lib/serviceusage/v1.dart
@@ -106,8 +106,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -120,7 +118,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -156,8 +155,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -166,7 +163,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -200,8 +197,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -210,7 +205,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -258,8 +253,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filter != null) {
       _queryParams['filter'] = [filter];
@@ -277,7 +270,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/operations';
+    const _url = 'v1/operations';
 
     final _response = await _requester.request(
       _url,
@@ -324,8 +317,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -338,7 +329,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/services:batchEnable';
 
@@ -382,8 +373,6 @@
     core.List<core.String> names,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -395,7 +384,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/services:batchGet';
 
@@ -441,8 +430,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -455,7 +442,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':disable';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':disable';
 
     final _response = await _requester.request(
       _url,
@@ -495,8 +483,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -509,7 +495,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':enable';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':enable';
 
     final _response = await _requester.request(
       _url,
@@ -544,8 +531,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -554,7 +539,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -609,8 +594,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -628,7 +611,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/services';
 
     final _response = await _requester.request(

generated/googleapis/lib/sheets/v4.dart

diff --git a/generated/googleapis/lib/sheets/v4.dart b/generated/googleapis/lib/sheets/v4.dart
index 3ee1ae0..1a47904 100644
--- a/generated/googleapis/lib/sheets/v4.dart
+++ b/generated/googleapis/lib/sheets/v4.dart
@@ -120,8 +120,6 @@
     core.String spreadsheetId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -134,7 +132,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' +
+    final _url = 'v4/spreadsheets/' +
         commons.Escaper.ecapeVariable('$spreadsheetId') +
         ':batchUpdate';
 
@@ -168,8 +166,6 @@
     Spreadsheet request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -179,7 +175,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets';
+    const _url = 'v4/spreadsheets';
 
     final _response = await _requester.request(
       _url,
@@ -229,8 +225,6 @@
     core.List<core.String> ranges,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (spreadsheetId == null) {
       throw core.ArgumentError('Parameter spreadsheetId is required.');
     }
@@ -245,7 +239,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' + commons.Escaper.ecapeVariable('$spreadsheetId');
+    final _url =
+        'v4/spreadsheets/' + commons.Escaper.ecapeVariable('$spreadsheetId');
 
     final _response = await _requester.request(
       _url,
@@ -292,8 +287,6 @@
     core.String spreadsheetId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -306,7 +299,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' +
+    final _url = 'v4/spreadsheets/' +
         commons.Escaper.ecapeVariable('$spreadsheetId') +
         ':getByDataFilter';
 
@@ -353,8 +346,6 @@
     core.int metadataId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (spreadsheetId == null) {
       throw core.ArgumentError('Parameter spreadsheetId is required.');
     }
@@ -366,7 +357,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' +
+    final _url = 'v4/spreadsheets/' +
         commons.Escaper.ecapeVariable('$spreadsheetId') +
         '/developerMetadata/' +
         commons.Escaper.ecapeVariable('$metadataId');
@@ -408,8 +399,6 @@
     core.String spreadsheetId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -422,7 +411,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' +
+    final _url = 'v4/spreadsheets/' +
         commons.Escaper.ecapeVariable('$spreadsheetId') +
         '/developerMetadata:search';
 
@@ -470,8 +459,6 @@
     core.int sheetId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -487,7 +474,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' +
+    final _url = 'v4/spreadsheets/' +
         commons.Escaper.ecapeVariable('$spreadsheetId') +
         '/sheets/' +
         commons.Escaper.ecapeVariable('$sheetId') +
@@ -607,8 +594,6 @@
     core.String valueInputOption,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -641,7 +626,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' +
+    final _url = 'v4/spreadsheets/' +
         commons.Escaper.ecapeVariable('$spreadsheetId') +
         '/values/' +
         commons.Escaper.ecapeVariable('$range') +
@@ -684,8 +669,6 @@
     core.String spreadsheetId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -698,7 +681,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' +
+    final _url = 'v4/spreadsheets/' +
         commons.Escaper.ecapeVariable('$spreadsheetId') +
         '/values:batchClear';
 
@@ -740,8 +723,6 @@
     core.String spreadsheetId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -754,7 +735,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' +
+    final _url = 'v4/spreadsheets/' +
         commons.Escaper.ecapeVariable('$spreadsheetId') +
         '/values:batchClearByDataFilter';
 
@@ -838,8 +819,6 @@
     core.String valueRenderOption,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (spreadsheetId == null) {
       throw core.ArgumentError('Parameter spreadsheetId is required.');
     }
@@ -860,7 +839,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' +
+    final _url = 'v4/spreadsheets/' +
         commons.Escaper.ecapeVariable('$spreadsheetId') +
         '/values:batchGet';
 
@@ -900,8 +879,6 @@
     core.String spreadsheetId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -914,7 +891,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' +
+    final _url = 'v4/spreadsheets/' +
         commons.Escaper.ecapeVariable('$spreadsheetId') +
         '/values:batchGetByDataFilter';
 
@@ -954,8 +931,6 @@
     core.String spreadsheetId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -968,7 +943,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' +
+    final _url = 'v4/spreadsheets/' +
         commons.Escaper.ecapeVariable('$spreadsheetId') +
         '/values:batchUpdate';
 
@@ -1008,8 +983,6 @@
     core.String spreadsheetId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1022,7 +995,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' +
+    final _url = 'v4/spreadsheets/' +
         commons.Escaper.ecapeVariable('$spreadsheetId') +
         '/values:batchUpdateByDataFilter';
 
@@ -1066,8 +1039,6 @@
     core.String range, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1083,7 +1054,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' +
+    final _url = 'v4/spreadsheets/' +
         commons.Escaper.ecapeVariable('$spreadsheetId') +
         '/values/' +
         commons.Escaper.ecapeVariable('$range') +
@@ -1169,8 +1140,6 @@
     core.String valueRenderOption,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (spreadsheetId == null) {
       throw core.ArgumentError('Parameter spreadsheetId is required.');
     }
@@ -1191,7 +1160,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' +
+    final _url = 'v4/spreadsheets/' +
         commons.Escaper.ecapeVariable('$spreadsheetId') +
         '/values/' +
         commons.Escaper.ecapeVariable('$range');
@@ -1287,8 +1256,6 @@
     core.String valueInputOption,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1318,7 +1285,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v4/spreadsheets/' +
+    final _url = 'v4/spreadsheets/' +
         commons.Escaper.ecapeVariable('$spreadsheetId') +
         '/values/' +
         commons.Escaper.ecapeVariable('$range');

generated/googleapis/lib/siteverification/v1.dart

diff --git a/generated/googleapis/lib/siteverification/v1.dart b/generated/googleapis/lib/siteverification/v1.dart
index cf72ee1..653d061 100644
--- a/generated/googleapis/lib/siteverification/v1.dart
+++ b/generated/googleapis/lib/siteverification/v1.dart
@@ -81,8 +81,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
     }
@@ -91,7 +89,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'webResource/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'webResource/' + commons.Escaper.ecapeVariable('$id');
 
     await _requester.request(
       _url,
@@ -121,8 +119,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
     }
@@ -131,7 +127,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'webResource/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'webResource/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -162,8 +158,6 @@
     SiteVerificationWebResourceGettokenRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -173,7 +167,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'token';
+    const _url = 'token';
 
     final _response = await _requester.request(
       _url,
@@ -208,8 +202,6 @@
     core.String verificationMethod, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -223,7 +215,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'webResource';
+    const _url = 'webResource';
 
     final _response = await _requester.request(
       _url,
@@ -252,14 +244,12 @@
   async.Future<SiteVerificationWebResourceListResponse> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'webResource';
+    const _url = 'webResource';
 
     final _response = await _requester.request(
       _url,
@@ -295,8 +285,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -309,7 +297,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'webResource/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'webResource/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -344,8 +332,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -358,7 +344,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'webResource/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'webResource/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/slides/v1.dart

diff --git a/generated/googleapis/lib/slides/v1.dart b/generated/googleapis/lib/slides/v1.dart
index 161ad1d..9d591d3 100644
--- a/generated/googleapis/lib/slides/v1.dart
+++ b/generated/googleapis/lib/slides/v1.dart
@@ -123,8 +123,6 @@
     core.String presentationId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -137,7 +135,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/presentations/' +
+    final _url = 'v1/presentations/' +
         commons.Escaper.ecapeVariable('$presentationId') +
         ':batchUpdate';
 
@@ -176,8 +174,6 @@
     Presentation request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -187,7 +183,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/presentations';
+    const _url = 'v1/presentations';
 
     final _response = await _requester.request(
       _url,
@@ -220,8 +216,6 @@
     core.String presentationId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (presentationId == null) {
       throw core.ArgumentError('Parameter presentationId is required.');
     }
@@ -230,7 +224,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/presentations/' +
+    final _url = 'v1/presentations/' +
         commons.Escaper.ecapeVariableReserved('$presentationId');
 
     final _response = await _requester.request(
@@ -271,8 +265,6 @@
     core.String pageObjectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (presentationId == null) {
       throw core.ArgumentError('Parameter presentationId is required.');
     }
@@ -284,7 +276,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/presentations/' +
+    final _url = 'v1/presentations/' +
         commons.Escaper.ecapeVariable('$presentationId') +
         '/pages/' +
         commons.Escaper.ecapeVariable('$pageObjectId');
@@ -342,8 +334,6 @@
     core.String thumbnailProperties_thumbnailSize,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (presentationId == null) {
       throw core.ArgumentError('Parameter presentationId is required.');
     }
@@ -365,7 +355,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/presentations/' +
+    final _url = 'v1/presentations/' +
         commons.Escaper.ecapeVariable('$presentationId') +
         '/pages/' +
         commons.Escaper.ecapeVariable('$pageObjectId') +

generated/googleapis/lib/smartdevicemanagement/v1.dart

diff --git a/generated/googleapis/lib/smartdevicemanagement/v1.dart b/generated/googleapis/lib/smartdevicemanagement/v1.dart
index 8589322..733c420 100644
--- a/generated/googleapis/lib/smartdevicemanagement/v1.dart
+++ b/generated/googleapis/lib/smartdevicemanagement/v1.dart
@@ -100,8 +100,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -114,7 +112,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':executeCommand';
 
@@ -150,8 +148,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -160,7 +156,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -204,8 +200,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -223,7 +217,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/devices';
 
     final _response = await _requester.request(
@@ -267,8 +261,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -277,7 +269,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -320,8 +312,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -339,7 +329,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/structures';
 
@@ -382,8 +372,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -392,7 +380,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -432,8 +420,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -448,7 +434,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/rooms';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/rooms';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/sourcerepo/v1.dart

diff --git a/generated/googleapis/lib/sourcerepo/v1.dart b/generated/googleapis/lib/sourcerepo/v1.dart
index 021ed49..33ce635 100644
--- a/generated/googleapis/lib/sourcerepo/v1.dart
+++ b/generated/googleapis/lib/sourcerepo/v1.dart
@@ -98,8 +98,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -108,7 +106,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/config';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/config';
 
     final _response = await _requester.request(
       _url,
@@ -144,8 +143,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -158,7 +155,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/config';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/config';
 
     final _response = await _requester.request(
       _url,
@@ -204,8 +202,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -218,7 +214,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/repos';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/repos';
 
     final _response = await _requester.request(
       _url,
@@ -251,8 +248,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -261,7 +256,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -293,8 +288,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -303,7 +296,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -348,8 +341,6 @@
     core.int options_requestedPolicyVersion,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (resource == null) {
       throw core.ArgumentError('Parameter resource is required.');
     }
@@ -363,7 +354,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -409,8 +400,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -425,7 +414,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/repos';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/repos';
 
     final _response = await _requester.request(
       _url,
@@ -461,8 +451,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -475,7 +463,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -514,8 +502,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -528,7 +514,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -568,8 +554,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -582,7 +566,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':sync';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':sync';
 
     final _response = await _requester.request(
       _url,
@@ -622,8 +607,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -636,7 +619,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 

generated/googleapis/lib/spanner/v1.dart

diff --git a/generated/googleapis/lib/spanner/v1.dart b/generated/googleapis/lib/spanner/v1.dart
index 624ee64..05656e6 100644
--- a/generated/googleapis/lib/spanner/v1.dart
+++ b/generated/googleapis/lib/spanner/v1.dart
@@ -113,8 +113,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -123,7 +121,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -165,8 +163,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -181,7 +177,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/instanceConfigs';
 
@@ -254,8 +250,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -268,7 +262,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -307,8 +301,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -317,7 +309,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -354,8 +346,6 @@
     core.String fieldMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -367,7 +357,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -406,8 +396,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -420,7 +408,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -481,8 +469,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -503,7 +489,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/instances';
 
     final _response = await _requester.request(
@@ -564,8 +550,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -578,7 +562,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -618,8 +602,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -632,7 +614,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -677,8 +659,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -691,7 +671,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -779,8 +759,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -798,7 +776,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/backupOperations';
 
@@ -862,8 +840,6 @@
     core.String backupId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -879,7 +855,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/backups';
 
     final _response = await _requester.request(
@@ -914,8 +890,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -924,7 +898,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -957,8 +931,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -967,7 +939,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1009,8 +981,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1023,7 +993,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -1092,8 +1062,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1111,7 +1079,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/backups';
 
     final _response = await _requester.request(
@@ -1162,8 +1130,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1179,7 +1145,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1222,8 +1188,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1236,7 +1200,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -1284,8 +1248,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1298,7 +1260,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -1350,8 +1312,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1360,7 +1320,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -1396,8 +1357,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1406,7 +1365,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1441,8 +1400,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1451,7 +1408,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1501,8 +1458,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1520,7 +1475,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1604,8 +1559,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1623,7 +1576,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/databaseOperations';
 
@@ -1678,8 +1631,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1692,7 +1643,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/databases';
 
     final _response = await _requester.request(
@@ -1729,8 +1680,6 @@
     core.String database, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (database == null) {
       throw core.ArgumentError('Parameter database is required.');
     }
@@ -1739,7 +1688,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$database');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$database');
 
     final _response = await _requester.request(
       _url,
@@ -1772,8 +1721,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1782,7 +1729,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1819,8 +1766,6 @@
     core.String database, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (database == null) {
       throw core.ArgumentError('Parameter database is required.');
     }
@@ -1829,7 +1774,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$database') + '/ddl';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$database') + '/ddl';
 
     final _response = await _requester.request(
       _url,
@@ -1872,8 +1818,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1886,7 +1830,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':getIamPolicy';
 
@@ -1929,8 +1873,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1945,7 +1887,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/databases';
 
     final _response = await _requester.request(
@@ -1996,8 +1938,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2010,7 +1950,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/databases:restore';
 
@@ -2055,8 +1995,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2069,7 +2007,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':setIamPolicy';
 
@@ -2117,8 +2055,6 @@
     core.String resource, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2131,7 +2067,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$resource') +
         ':testIamPermissions';
 
@@ -2176,8 +2112,6 @@
     core.String database, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2190,7 +2124,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$database') + '/ddl';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$database') + '/ddl';
 
     final _response = await _requester.request(
       _url,
@@ -2239,8 +2174,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2249,7 +2182,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -2285,8 +2219,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2295,7 +2227,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2330,8 +2262,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2340,7 +2270,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2390,8 +2320,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2409,7 +2337,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2455,8 +2383,6 @@
     core.String database, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2469,7 +2395,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$database') +
         '/sessions:batchCreate';
 
@@ -2511,8 +2437,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2525,7 +2449,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$session') +
         ':beginTransaction';
 
@@ -2576,8 +2500,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2590,7 +2512,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$session') + ':commit';
 
     final _response = await _requester.request(
@@ -2641,8 +2563,6 @@
     core.String database, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2655,7 +2575,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$database') +
         '/sessions';
 
@@ -2693,8 +2613,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2703,7 +2621,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2747,8 +2665,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2761,7 +2677,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$session') +
         ':executeBatchDml';
 
@@ -2809,8 +2725,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2823,7 +2737,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$session') +
         ':executeSql';
 
@@ -2866,8 +2780,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2880,7 +2792,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$session') +
         ':executeStreamingSql';
 
@@ -2919,8 +2831,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2929,7 +2839,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2977,8 +2887,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (database == null) {
       throw core.ArgumentError('Parameter database is required.');
     }
@@ -2996,7 +2904,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$database') +
         '/sessions';
 
@@ -3044,8 +2952,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3058,7 +2964,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$session') +
         ':partitionQuery';
 
@@ -3110,8 +3016,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3124,7 +3028,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$session') +
         ':partitionRead';
 
@@ -3172,8 +3076,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3186,7 +3088,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$session') + ':read';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$session') + ':read';
 
     final _response = await _requester.request(
       _url,
@@ -3229,8 +3132,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3243,7 +3144,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$session') + ':rollback';
 
     final _response = await _requester.request(
@@ -3284,8 +3185,6 @@
     core.String session, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3298,7 +3197,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$session') +
         ':streamingRead';
 
@@ -3350,8 +3249,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3360,7 +3257,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -3396,8 +3294,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3406,7 +3302,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3441,8 +3337,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3451,7 +3345,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -3500,8 +3394,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -3519,7 +3411,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/speech/v1.dart

diff --git a/generated/googleapis/lib/speech/v1.dart b/generated/googleapis/lib/speech/v1.dart
index 9a1ff64..40c2bd8 100644
--- a/generated/googleapis/lib/speech/v1.dart
+++ b/generated/googleapis/lib/speech/v1.dart
@@ -90,8 +90,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -100,7 +98,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/operations/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url =
+        'v1/operations/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -148,8 +147,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filter != null) {
       _queryParams['filter'] = [filter];
@@ -167,7 +164,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/operations';
+    const _url = 'v1/operations';
 
     final _response = await _requester.request(
       _url,
@@ -228,8 +225,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -238,7 +233,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -287,8 +282,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -306,7 +299,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(
@@ -350,8 +343,6 @@
     LongRunningRecognizeRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -361,7 +352,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/speech:longrunningrecognize';
+    const _url = 'v1/speech:longrunningrecognize';
 
     final _response = await _requester.request(
       _url,
@@ -393,8 +384,6 @@
     RecognizeRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -404,7 +393,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/speech:recognize';
+    const _url = 'v1/speech:recognize';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/storage/v1.dart

diff --git a/generated/googleapis/lib/storage/v1.dart b/generated/googleapis/lib/storage/v1.dart
index 51a95ed..488e388 100644
--- a/generated/googleapis/lib/storage/v1.dart
+++ b/generated/googleapis/lib/storage/v1.dart
@@ -136,8 +136,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -155,7 +153,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/acl/' +
         commons.Escaper.ecapeVariable('$entity');
@@ -201,8 +199,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -220,7 +216,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/acl/' +
         commons.Escaper.ecapeVariable('$entity');
@@ -265,8 +261,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -285,7 +279,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' + commons.Escaper.ecapeVariable('$bucket') + '/acl';
+    final _url = 'b/' + commons.Escaper.ecapeVariable('$bucket') + '/acl';
 
     final _response = await _requester.request(
       _url,
@@ -325,8 +319,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -341,7 +333,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' + commons.Escaper.ecapeVariable('$bucket') + '/acl';
+    final _url = 'b/' + commons.Escaper.ecapeVariable('$bucket') + '/acl';
 
     final _response = await _requester.request(
       _url,
@@ -388,8 +380,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -411,7 +401,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/acl/' +
         commons.Escaper.ecapeVariable('$entity');
@@ -462,8 +452,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -485,7 +473,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/acl/' +
         commons.Escaper.ecapeVariable('$entity');
@@ -540,8 +528,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -562,7 +548,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' + commons.Escaper.ecapeVariable('$bucket');
+    final _url = 'b/' + commons.Escaper.ecapeVariable('$bucket');
 
     await _requester.request(
       _url,
@@ -616,8 +602,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -641,7 +625,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' + commons.Escaper.ecapeVariable('$bucket');
+    final _url = 'b/' + commons.Escaper.ecapeVariable('$bucket');
 
     final _response = await _requester.request(
       _url,
@@ -684,8 +668,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -705,7 +687,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' + commons.Escaper.ecapeVariable('$bucket') + '/iam';
+    final _url = 'b/' + commons.Escaper.ecapeVariable('$bucket') + '/iam';
 
     final _response = await _requester.request(
       _url,
@@ -783,8 +765,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -813,7 +793,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b';
+    const _url = 'b';
 
     final _response = await _requester.request(
       _url,
@@ -868,8 +848,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (project == null) {
       throw core.ArgumentError('Parameter project is required.');
@@ -897,7 +875,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b';
+    const _url = 'b';
 
     final _response = await _requester.request(
       _url,
@@ -939,8 +917,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -959,7 +935,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/lockRetentionPolicy';
 
@@ -1051,8 +1027,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1086,7 +1060,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' + commons.Escaper.ecapeVariable('$bucket');
+    final _url = 'b/' + commons.Escaper.ecapeVariable('$bucket');
 
     final _response = await _requester.request(
       _url,
@@ -1128,8 +1102,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1148,7 +1120,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' + commons.Escaper.ecapeVariable('$bucket') + '/iam';
+    final _url = 'b/' + commons.Escaper.ecapeVariable('$bucket') + '/iam';
 
     final _response = await _requester.request(
       _url,
@@ -1191,8 +1163,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -1211,7 +1181,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/iam/testPermissions';
 
@@ -1304,8 +1274,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1339,7 +1307,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' + commons.Escaper.ecapeVariable('$bucket');
+    final _url = 'b/' + commons.Escaper.ecapeVariable('$bucket');
 
     final _response = await _requester.request(
       _url,
@@ -1374,8 +1342,6 @@
     Channel request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1385,7 +1351,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'channels/stop';
+    const _url = 'channels/stop';
 
     await _requester.request(
       _url,
@@ -1435,8 +1401,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -1454,7 +1418,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/defaultObjectAcl/' +
         commons.Escaper.ecapeVariable('$entity');
@@ -1501,8 +1465,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -1520,7 +1482,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/defaultObjectAcl/' +
         commons.Escaper.ecapeVariable('$entity');
@@ -1565,8 +1527,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1585,7 +1545,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'b/' + commons.Escaper.ecapeVariable('$bucket') + '/defaultObjectAcl';
 
     final _response = await _requester.request(
@@ -1634,8 +1594,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -1656,7 +1614,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'b/' + commons.Escaper.ecapeVariable('$bucket') + '/defaultObjectAcl';
 
     final _response = await _requester.request(
@@ -1704,8 +1662,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1727,7 +1683,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/defaultObjectAcl/' +
         commons.Escaper.ecapeVariable('$entity');
@@ -1778,8 +1734,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1801,7 +1755,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/defaultObjectAcl/' +
         commons.Escaper.ecapeVariable('$entity');
@@ -1851,8 +1805,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -1870,7 +1822,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/notificationConfigs/' +
         commons.Escaper.ecapeVariable('$notification');
@@ -1914,8 +1866,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -1933,7 +1883,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/notificationConfigs/' +
         commons.Escaper.ecapeVariable('$notification');
@@ -1978,8 +1928,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1998,7 +1946,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/notificationConfigs';
 
@@ -2040,8 +1988,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -2056,7 +2002,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/notificationConfigs';
 
@@ -2116,8 +2062,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -2141,7 +2085,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$object') +
@@ -2197,8 +2141,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -2222,7 +2164,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$object') +
@@ -2277,8 +2219,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2303,7 +2243,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$object') +
@@ -2355,8 +2295,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -2377,7 +2315,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$object') +
@@ -2436,8 +2374,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2465,7 +2401,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$object') +
@@ -2526,8 +2462,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2555,7 +2489,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$object') +
@@ -2646,8 +2580,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2681,7 +2613,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$destinationBucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$destinationObject') +
@@ -2815,8 +2747,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2884,7 +2814,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$sourceBucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$sourceObject') +
@@ -2958,8 +2888,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -2992,7 +2920,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$object');
@@ -3075,8 +3003,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -3112,7 +3038,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$object');
@@ -3167,8 +3093,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -3189,7 +3113,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$object') +
@@ -3304,8 +3228,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3351,6 +3273,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'b/' + commons.Escaper.ecapeVariable('$bucket') + '/o';
     } else if (uploadOptions is commons.ResumableUploadOptions) {
@@ -3448,8 +3371,6 @@
     core.bool versions,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -3493,7 +3414,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' + commons.Escaper.ecapeVariable('$bucket') + '/o';
+    final _url = 'b/' + commons.Escaper.ecapeVariable('$bucket') + '/o';
 
     final _response = await _requester.request(
       _url,
@@ -3583,8 +3504,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3627,7 +3546,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$object');
@@ -3774,8 +3693,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3849,7 +3766,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$sourceBucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$sourceObject') +
@@ -3907,8 +3824,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3933,7 +3848,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$object') +
@@ -3988,8 +3903,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (bucket == null) {
       throw core.ArgumentError('Parameter bucket is required.');
     }
@@ -4014,7 +3927,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$object') +
@@ -4109,8 +4022,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4153,7 +4064,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' +
+    final _url = 'b/' +
         commons.Escaper.ecapeVariable('$bucket') +
         '/o/' +
         commons.Escaper.ecapeVariable('$object');
@@ -4244,8 +4155,6 @@
     core.bool versions,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4293,7 +4202,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'b/' + commons.Escaper.ecapeVariable('$bucket') + '/o/watch';
+    final _url = 'b/' + commons.Escaper.ecapeVariable('$bucket') + '/o/watch';
 
     final _response = await _requester.request(
       _url,
@@ -4346,8 +4255,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -4363,7 +4270,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'projects/' + commons.Escaper.ecapeVariable('$projectId') + '/hmacKeys';
 
     final _response = await _requester.request(
@@ -4398,8 +4305,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -4414,7 +4319,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/hmacKeys/' +
         commons.Escaper.ecapeVariable('$accessId');
@@ -4453,8 +4358,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -4469,7 +4372,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/hmacKeys/' +
         commons.Escaper.ecapeVariable('$accessId');
@@ -4525,8 +4428,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -4550,7 +4451,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'projects/' + commons.Escaper.ecapeVariable('$projectId') + '/hmacKeys';
 
     final _response = await _requester.request(
@@ -4593,8 +4494,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4613,7 +4512,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/hmacKeys/' +
         commons.Escaper.ecapeVariable('$accessId');
@@ -4663,8 +4562,6 @@
     core.String userProject,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -4679,7 +4576,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'projects/' +
+    final _url = 'projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/serviceAccount';
 

generated/googleapis/lib/storagetransfer/v1.dart

diff --git a/generated/googleapis/lib/storagetransfer/v1.dart b/generated/googleapis/lib/storagetransfer/v1.dart
index 5822982..9048da0 100644
--- a/generated/googleapis/lib/storagetransfer/v1.dart
+++ b/generated/googleapis/lib/storagetransfer/v1.dart
@@ -97,8 +97,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -107,7 +105,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/googleServiceAccounts/' +
+    final _url = 'v1/googleServiceAccounts/' +
         commons.Escaper.ecapeVariable('$projectId');
 
     final _response = await _requester.request(
@@ -145,8 +143,6 @@
     TransferJob request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -156,7 +152,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/transferJobs';
+    const _url = 'v1/transferJobs';
 
     final _response = await _requester.request(
       _url,
@@ -193,8 +189,6 @@
     core.String projectId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (jobName == null) {
       throw core.ArgumentError('Parameter jobName is required.');
     }
@@ -207,7 +201,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$jobName');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$jobName');
 
     final _response = await _requester.request(
       _url,
@@ -251,8 +245,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filter == null) {
       throw core.ArgumentError('Parameter filter is required.');
@@ -268,7 +260,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/transferJobs';
+    const _url = 'v1/transferJobs';
 
     final _response = await _requester.request(
       _url,
@@ -308,8 +300,6 @@
     core.String jobName, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -322,7 +312,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$jobName');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$jobName');
 
     final _response = await _requester.request(
       _url,
@@ -382,8 +372,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -396,7 +384,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -431,8 +420,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -441,7 +428,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -490,8 +477,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -510,7 +495,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -545,8 +530,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -559,7 +542,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':pause';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':pause';
 
     final _response = await _requester.request(
       _url,
@@ -594,8 +578,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -608,7 +590,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':resume';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':resume';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/streetviewpublish/v1.dart

diff --git a/generated/googleapis/lib/streetviewpublish/v1.dart b/generated/googleapis/lib/streetviewpublish/v1.dart
index 37953e0..1bf1b07 100644
--- a/generated/googleapis/lib/streetviewpublish/v1.dart
+++ b/generated/googleapis/lib/streetviewpublish/v1.dart
@@ -100,8 +100,6 @@
     Photo request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -111,7 +109,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/photo';
+    const _url = 'v1/photo';
 
     final _response = await _requester.request(
       _url,
@@ -147,8 +145,6 @@
     core.String photoId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (photoId == null) {
       throw core.ArgumentError('Parameter photoId is required.');
     }
@@ -157,7 +153,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/photo/' + commons.Escaper.ecapeVariable('$photoId');
+    final _url = 'v1/photo/' + commons.Escaper.ecapeVariable('$photoId');
 
     final _response = await _requester.request(
       _url,
@@ -209,8 +205,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (photoId == null) {
       throw core.ArgumentError('Parameter photoId is required.');
     }
@@ -225,7 +219,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/photo/' + commons.Escaper.ecapeVariable('$photoId');
+    final _url = 'v1/photo/' + commons.Escaper.ecapeVariable('$photoId');
 
     final _response = await _requester.request(
       _url,
@@ -267,8 +261,6 @@
     Empty request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -278,7 +270,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/photo:startUpload';
+    const _url = 'v1/photo:startUpload';
 
     final _response = await _requester.request(
       _url,
@@ -335,8 +327,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -352,7 +342,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/photo/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'v1/photo/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -396,8 +386,6 @@
     BatchDeletePhotosRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -407,7 +395,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/photos:batchDelete';
+    const _url = 'v1/photos:batchDelete';
 
     final _response = await _requester.request(
       _url,
@@ -462,8 +450,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (languageCode != null) {
       _queryParams['languageCode'] = [languageCode];
@@ -478,7 +464,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/photos:batchGet';
+    const _url = 'v1/photos:batchGet';
 
     final _response = await _requester.request(
       _url,
@@ -522,8 +508,6 @@
     BatchUpdatePhotosRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -533,7 +517,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/photos:batchUpdate';
+    const _url = 'v1/photos:batchUpdate';
 
     final _response = await _requester.request(
       _url,
@@ -597,8 +581,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (filter != null) {
       _queryParams['filter'] = [filter];
@@ -619,7 +601,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/photos';
+    const _url = 'v1/photos';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/sts/v1.dart

diff --git a/generated/googleapis/lib/sts/v1.dart b/generated/googleapis/lib/sts/v1.dart
index f78b0a4..29f999a 100644
--- a/generated/googleapis/lib/sts/v1.dart
+++ b/generated/googleapis/lib/sts/v1.dart
@@ -78,8 +78,6 @@
     GoogleIdentityStsV1ExchangeTokenRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -89,7 +87,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/token';
+    const _url = 'v1/token';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/tagmanager/v1.dart

diff --git a/generated/googleapis/lib/tagmanager/v1.dart b/generated/googleapis/lib/tagmanager/v1.dart
index c164fa0..aa69455 100644
--- a/generated/googleapis/lib/tagmanager/v1.dart
+++ b/generated/googleapis/lib/tagmanager/v1.dart
@@ -122,8 +122,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -132,7 +130,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'tagmanager/v1/accounts/' + commons.Escaper.ecapeVariable('$accountId');
 
     final _response = await _requester.request(
@@ -160,14 +158,12 @@
   async.Future<ListAccountsResponse> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts';
+    const _url = 'tagmanager/v1/accounts';
 
     final _response = await _requester.request(
       _url,
@@ -205,8 +201,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -222,7 +216,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'tagmanager/v1/accounts/' + commons.Escaper.ecapeVariable('$accountId');
 
     final _response = await _requester.request(
@@ -281,8 +275,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -295,7 +287,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers';
 
@@ -329,8 +321,6 @@
     core.String containerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -342,7 +332,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId');
@@ -378,8 +368,6 @@
     core.String containerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -391,7 +379,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId');
@@ -424,8 +412,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -434,7 +420,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers';
 
@@ -477,8 +463,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -497,7 +481,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId');
@@ -544,8 +528,6 @@
     core.String containerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -561,7 +543,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -601,8 +583,6 @@
     core.String environmentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -617,7 +597,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -658,8 +638,6 @@
     core.String environmentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -674,7 +652,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -713,8 +691,6 @@
     core.String containerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -726,7 +702,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -774,8 +750,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -797,7 +771,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -850,8 +824,6 @@
     core.String containerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -867,7 +839,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -906,8 +878,6 @@
     core.String folderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -922,7 +892,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -963,8 +933,6 @@
     core.String folderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -979,7 +947,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1017,8 +985,6 @@
     core.String containerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1030,7 +996,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1078,8 +1044,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1101,7 +1065,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1150,8 +1114,6 @@
     core.String folderId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1166,7 +1128,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1226,8 +1188,6 @@
     core.List<core.String> variableId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1255,7 +1215,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1307,8 +1267,6 @@
     core.String environmentId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1327,7 +1285,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1377,8 +1335,6 @@
     core.String containerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1394,7 +1350,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1433,8 +1389,6 @@
     core.String tagId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1449,7 +1403,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1490,8 +1444,6 @@
     core.String tagId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1506,7 +1458,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1544,8 +1496,6 @@
     core.String containerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1557,7 +1507,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1605,8 +1555,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1628,7 +1576,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1677,8 +1625,6 @@
     core.String containerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1694,7 +1640,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1733,8 +1679,6 @@
     core.String triggerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1749,7 +1693,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1790,8 +1734,6 @@
     core.String triggerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1806,7 +1748,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1844,8 +1786,6 @@
     core.String containerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -1857,7 +1797,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1905,8 +1845,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1928,7 +1866,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -1977,8 +1915,6 @@
     core.String containerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1994,7 +1930,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -2033,8 +1969,6 @@
     core.String variableId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2049,7 +1983,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -2090,8 +2024,6 @@
     core.String variableId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2106,7 +2038,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -2144,8 +2076,6 @@
     core.String containerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2157,7 +2087,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -2205,8 +2135,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2228,7 +2156,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -2277,8 +2205,6 @@
     core.String containerId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2294,7 +2220,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -2334,8 +2260,6 @@
     core.String containerVersionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2350,7 +2274,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -2392,8 +2316,6 @@
     core.String containerVersionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2408,7 +2330,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -2453,8 +2375,6 @@
     core.bool includeDeleted,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2472,7 +2392,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -2517,8 +2437,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2536,7 +2454,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -2583,8 +2501,6 @@
     core.String containerVersionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2599,7 +2515,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -2642,8 +2558,6 @@
     core.String containerVersionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2658,7 +2572,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -2708,8 +2622,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2731,7 +2643,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/containers/' +
         commons.Escaper.ecapeVariable('$containerId') +
@@ -2778,8 +2690,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2792,7 +2702,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/permissions';
 
@@ -2828,8 +2738,6 @@
     core.String permissionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2841,7 +2749,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/permissions/' +
         commons.Escaper.ecapeVariable('$permissionId');
@@ -2877,8 +2785,6 @@
     core.String permissionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2890,7 +2796,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/permissions/' +
         commons.Escaper.ecapeVariable('$permissionId');
@@ -2925,8 +2831,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (accountId == null) {
       throw core.ArgumentError('Parameter accountId is required.');
     }
@@ -2935,7 +2839,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/permissions';
 
@@ -2974,8 +2878,6 @@
     core.String permissionId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2991,7 +2893,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v1/accounts/' +
+    final _url = 'tagmanager/v1/accounts/' +
         commons.Escaper.ecapeVariable('$accountId') +
         '/permissions/' +
         commons.Escaper.ecapeVariable('$permissionId');

generated/googleapis/lib/tagmanager/v2.dart

diff --git a/generated/googleapis/lib/tagmanager/v2.dart b/generated/googleapis/lib/tagmanager/v2.dart
index 3757b60..5a75dd9 100644
--- a/generated/googleapis/lib/tagmanager/v2.dart
+++ b/generated/googleapis/lib/tagmanager/v2.dart
@@ -125,8 +125,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -135,7 +133,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -165,8 +164,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageToken != null) {
       _queryParams['pageToken'] = [pageToken];
@@ -175,7 +172,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/accounts';
+    const _url = 'tagmanager/v2/accounts';
 
     final _response = await _requester.request(
       _url,
@@ -214,8 +211,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -231,7 +226,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -282,8 +278,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -296,7 +290,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/containers';
 
@@ -329,8 +323,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -339,7 +331,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     await _requester.request(
       _url,
@@ -371,8 +364,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -381,7 +372,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -416,8 +408,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -429,7 +419,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/containers';
 
@@ -471,8 +461,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -488,7 +476,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -531,8 +520,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -545,7 +532,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/environments';
 
@@ -580,8 +567,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -590,7 +575,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     await _requester.request(
       _url,
@@ -623,8 +609,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -633,7 +617,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -669,8 +654,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -682,7 +665,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/environments';
 
@@ -721,8 +704,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -735,7 +716,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':reauthorize';
 
@@ -779,8 +760,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -796,7 +775,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -837,8 +817,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -847,7 +825,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/version_headers:latest';
 
@@ -888,8 +866,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -904,7 +880,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/version_headers';
 
@@ -945,8 +921,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -955,7 +929,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     await _requester.request(
       _url,
@@ -992,8 +967,6 @@
     core.String containerVersionId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -1005,7 +978,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -1038,8 +1012,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1048,7 +1020,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/versions:live';
 
@@ -1088,8 +1060,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -1101,7 +1071,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':publish';
 
@@ -1138,8 +1108,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -1148,7 +1116,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':set_latest';
 
@@ -1184,8 +1152,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -1194,7 +1160,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':undelete';
 
@@ -1237,8 +1203,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1254,7 +1218,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -1313,8 +1278,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1327,7 +1290,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/workspaces';
 
@@ -1368,8 +1331,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1382,7 +1343,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':create_version';
 
@@ -1417,8 +1378,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -1427,7 +1386,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     await _requester.request(
       _url,
@@ -1460,8 +1420,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -1470,7 +1428,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -1503,8 +1462,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -1513,7 +1470,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         '/status';
 
@@ -1551,8 +1508,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1564,7 +1519,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/workspaces';
 
@@ -1601,8 +1556,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -1611,7 +1564,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':quick_preview';
 
@@ -1653,8 +1606,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1670,7 +1621,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':resolve_conflict';
 
@@ -1708,8 +1659,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -1718,7 +1667,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':sync';
 
@@ -1761,8 +1710,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1778,7 +1725,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -1823,8 +1771,6 @@
     core.List<core.String> type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1836,7 +1782,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/built_in_variables';
 
@@ -1873,8 +1819,6 @@
     core.List<core.String> type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -1886,7 +1830,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     await _requester.request(
       _url,
@@ -1922,8 +1867,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1935,7 +1878,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/built_in_variables';
 
@@ -2085,8 +2028,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -2098,7 +2039,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         '/built_in_variables:revert';
 
@@ -2144,8 +2085,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2158,7 +2097,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/folders';
 
@@ -2192,8 +2131,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -2202,7 +2139,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     await _requester.request(
       _url,
@@ -2238,8 +2176,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -2251,7 +2187,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':entities';
 
@@ -2287,8 +2223,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -2297,7 +2231,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -2333,8 +2268,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2346,7 +2279,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/folders';
 
@@ -2392,8 +2325,6 @@
     core.List<core.String> variableId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2415,7 +2346,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':move_entities_to_folder';
 
@@ -2455,8 +2386,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -2468,7 +2397,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':revert';
 
@@ -2511,8 +2440,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2528,7 +2455,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -2572,8 +2500,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2586,7 +2512,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/tags';
 
@@ -2620,8 +2546,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -2630,7 +2554,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     await _requester.request(
       _url,
@@ -2663,8 +2588,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -2673,7 +2596,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -2709,8 +2633,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2722,7 +2644,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/tags';
 
@@ -2762,8 +2684,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -2775,7 +2695,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':revert';
 
@@ -2818,8 +2738,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2835,7 +2753,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -2879,8 +2798,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2893,7 +2810,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/templates';
 
@@ -2928,8 +2845,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -2938,7 +2853,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     await _requester.request(
       _url,
@@ -2971,8 +2887,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -2981,7 +2895,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -3018,8 +2933,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3031,7 +2944,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/templates';
 
@@ -3071,8 +2984,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -3084,7 +2995,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':revert';
 
@@ -3127,8 +3038,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3144,7 +3053,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -3189,8 +3099,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3203,7 +3111,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/triggers';
 
@@ -3237,8 +3145,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -3247,7 +3153,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     await _requester.request(
       _url,
@@ -3280,8 +3187,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -3290,7 +3195,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -3326,8 +3232,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3339,7 +3243,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/triggers';
 
@@ -3379,8 +3283,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -3392,7 +3294,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':revert';
 
@@ -3435,8 +3337,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3452,7 +3352,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -3496,8 +3397,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3510,7 +3409,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/variables';
 
@@ -3544,8 +3443,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -3554,7 +3451,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     await _requester.request(
       _url,
@@ -3587,8 +3485,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -3597,7 +3493,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -3633,8 +3530,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3646,7 +3541,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/variables';
 
@@ -3686,8 +3581,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -3699,7 +3592,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':revert';
 
@@ -3742,8 +3635,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3759,7 +3650,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -3803,8 +3695,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3817,7 +3707,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/zones';
 
@@ -3851,8 +3741,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -3861,7 +3749,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     await _requester.request(
       _url,
@@ -3894,8 +3783,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -3904,7 +3791,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -3940,8 +3828,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -3953,7 +3839,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/zones';
 
@@ -3993,8 +3879,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -4006,7 +3890,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$path') +
         ':revert';
 
@@ -4049,8 +3933,6 @@
     core.String fingerprint,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4066,7 +3948,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -4108,8 +3991,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4122,7 +4003,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/user_permissions';
 
@@ -4157,8 +4038,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -4167,7 +4046,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     await _requester.request(
       _url,
@@ -4199,8 +4079,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (path == null) {
       throw core.ArgumentError('Parameter path is required.');
     }
@@ -4209,7 +4087,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,
@@ -4246,8 +4125,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -4259,7 +4136,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' +
+    final _url = 'tagmanager/v2/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/user_permissions';
 
@@ -4297,8 +4174,6 @@
     core.String path, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4311,7 +4186,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
+    final _url =
+        'tagmanager/v2/' + commons.Escaper.ecapeVariableReserved('$path');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/tasks/v1.dart

diff --git a/generated/googleapis/lib/tasks/v1.dart b/generated/googleapis/lib/tasks/v1.dart
index cf05f82..830610a 100644
--- a/generated/googleapis/lib/tasks/v1.dart
+++ b/generated/googleapis/lib/tasks/v1.dart
@@ -82,8 +82,6 @@
     core.String tasklist, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (tasklist == null) {
       throw core.ArgumentError('Parameter tasklist is required.');
     }
@@ -92,7 +90,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tasks/v1/users/@me/lists/' +
+    final _url = 'tasks/v1/users/@me/lists/' +
         commons.Escaper.ecapeVariable('$tasklist');
 
     await _requester.request(
@@ -123,8 +121,6 @@
     core.String tasklist, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (tasklist == null) {
       throw core.ArgumentError('Parameter tasklist is required.');
     }
@@ -133,7 +129,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tasks/v1/users/@me/lists/' +
+    final _url = 'tasks/v1/users/@me/lists/' +
         commons.Escaper.ecapeVariable('$tasklist');
 
     final _response = await _requester.request(
@@ -165,8 +161,6 @@
     TaskList request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -176,7 +170,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tasks/v1/users/@me/lists';
+    const _url = 'tasks/v1/users/@me/lists';
 
     final _response = await _requester.request(
       _url,
@@ -211,8 +205,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (maxResults != null) {
       _queryParams['maxResults'] = ['${maxResults}'];
@@ -224,7 +216,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tasks/v1/users/@me/lists';
+    const _url = 'tasks/v1/users/@me/lists';
 
     final _response = await _requester.request(
       _url,
@@ -259,8 +251,6 @@
     core.String tasklist, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -273,7 +263,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tasks/v1/users/@me/lists/' +
+    final _url = 'tasks/v1/users/@me/lists/' +
         commons.Escaper.ecapeVariable('$tasklist');
 
     final _response = await _requester.request(
@@ -308,8 +298,6 @@
     core.String tasklist, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -322,7 +310,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tasks/v1/users/@me/lists/' +
+    final _url = 'tasks/v1/users/@me/lists/' +
         commons.Escaper.ecapeVariable('$tasklist');
 
     final _response = await _requester.request(
@@ -361,8 +349,6 @@
     core.String tasklist, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (tasklist == null) {
       throw core.ArgumentError('Parameter tasklist is required.');
     }
@@ -371,7 +357,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tasks/v1/lists/' +
+    final _url = 'tasks/v1/lists/' +
         commons.Escaper.ecapeVariable('$tasklist') +
         '/clear';
 
@@ -404,8 +390,6 @@
     core.String task, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (tasklist == null) {
       throw core.ArgumentError('Parameter tasklist is required.');
     }
@@ -417,7 +401,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tasks/v1/lists/' +
+    final _url = 'tasks/v1/lists/' +
         commons.Escaper.ecapeVariable('$tasklist') +
         '/tasks/' +
         commons.Escaper.ecapeVariable('$task');
@@ -453,8 +437,6 @@
     core.String task, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (tasklist == null) {
       throw core.ArgumentError('Parameter tasklist is required.');
     }
@@ -466,7 +448,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tasks/v1/lists/' +
+    final _url = 'tasks/v1/lists/' +
         commons.Escaper.ecapeVariable('$tasklist') +
         '/tasks/' +
         commons.Escaper.ecapeVariable('$task');
@@ -511,8 +493,6 @@
     core.String previous,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -531,7 +511,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tasks/v1/lists/' +
+    final _url = 'tasks/v1/lists/' +
         commons.Escaper.ecapeVariable('$tasklist') +
         '/tasks';
 
@@ -608,8 +588,6 @@
     core.String updatedMin,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (tasklist == null) {
       throw core.ArgumentError('Parameter tasklist is required.');
     }
@@ -648,7 +626,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tasks/v1/lists/' +
+    final _url = 'tasks/v1/lists/' +
         commons.Escaper.ecapeVariable('$tasklist') +
         '/tasks';
 
@@ -695,8 +673,6 @@
     core.String previous,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (tasklist == null) {
       throw core.ArgumentError('Parameter tasklist is required.');
     }
@@ -714,7 +690,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tasks/v1/lists/' +
+    final _url = 'tasks/v1/lists/' +
         commons.Escaper.ecapeVariable('$tasklist') +
         '/tasks/' +
         commons.Escaper.ecapeVariable('$task') +
@@ -756,8 +732,6 @@
     core.String task, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -773,7 +747,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tasks/v1/lists/' +
+    final _url = 'tasks/v1/lists/' +
         commons.Escaper.ecapeVariable('$tasklist') +
         '/tasks/' +
         commons.Escaper.ecapeVariable('$task');
@@ -813,8 +787,6 @@
     core.String task, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -830,7 +802,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'tasks/v1/lists/' +
+    final _url = 'tasks/v1/lists/' +
         commons.Escaper.ecapeVariable('$tasklist') +
         '/tasks/' +
         commons.Escaper.ecapeVariable('$task');

generated/googleapis/lib/testing/v1.dart

diff --git a/generated/googleapis/lib/testing/v1.dart b/generated/googleapis/lib/testing/v1.dart
index fc4c97d..ba7e066 100644
--- a/generated/googleapis/lib/testing/v1.dart
+++ b/generated/googleapis/lib/testing/v1.dart
@@ -93,8 +93,6 @@
     FileReference request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -104,7 +102,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/applicationDetailService/getApkDetails';
+    const _url = 'v1/applicationDetailService/getApkDetails';
 
     final _response = await _requester.request(
       _url,
@@ -161,8 +159,6 @@
     core.String testMatrixId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -174,7 +170,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/testMatrices/' +
         commons.Escaper.ecapeVariable('$testMatrixId') +
@@ -223,8 +219,6 @@
     core.String requestId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -240,7 +234,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/testMatrices';
 
@@ -281,8 +275,6 @@
     core.String testMatrixId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (projectId == null) {
       throw core.ArgumentError('Parameter projectId is required.');
     }
@@ -294,7 +286,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/projects/' +
+    final _url = 'v1/projects/' +
         commons.Escaper.ecapeVariable('$projectId') +
         '/testMatrices/' +
         commons.Escaper.ecapeVariable('$testMatrixId');
@@ -354,8 +346,6 @@
     core.String projectId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (environmentType == null) {
       throw core.ArgumentError('Parameter environmentType is required.');
     }
@@ -367,7 +357,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/testEnvironmentCatalog/' +
+    final _url = 'v1/testEnvironmentCatalog/' +
         commons.Escaper.ecapeVariable('$environmentType');
 
     final _response = await _requester.request(

generated/googleapis/lib/texttospeech/v1.dart

diff --git a/generated/googleapis/lib/texttospeech/v1.dart b/generated/googleapis/lib/texttospeech/v1.dart
index d5152cb..74f717c 100644
--- a/generated/googleapis/lib/texttospeech/v1.dart
+++ b/generated/googleapis/lib/texttospeech/v1.dart
@@ -84,8 +84,6 @@
     SynthesizeSpeechRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -95,7 +93,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/text:synthesize';
+    const _url = 'v1/text:synthesize';
 
     final _response = await _requester.request(
       _url,
@@ -140,8 +138,6 @@
     core.String languageCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (languageCode != null) {
       _queryParams['languageCode'] = [languageCode];
@@ -150,7 +146,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/voices';
+    const _url = 'v1/voices';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/tpu/v1.dart

diff --git a/generated/googleapis/lib/tpu/v1.dart b/generated/googleapis/lib/tpu/v1.dart
index d964afd..13c2cc5 100644
--- a/generated/googleapis/lib/tpu/v1.dart
+++ b/generated/googleapis/lib/tpu/v1.dart
@@ -103,8 +103,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -113,7 +111,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -153,8 +151,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -172,7 +168,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -213,8 +209,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -223,7 +217,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -268,8 +262,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -290,7 +282,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/acceleratorTypes';
 
@@ -337,8 +329,6 @@
     core.String nodeId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -354,7 +344,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/nodes';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/nodes';
 
     final _response = await _requester.request(
       _url,
@@ -387,8 +378,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -397,7 +386,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -429,8 +418,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -439,7 +426,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -477,8 +464,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -493,7 +478,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/nodes';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/nodes';
 
     final _response = await _requester.request(
       _url,
@@ -529,8 +515,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -543,7 +527,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':reimage';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':reimage';
 
     final _response = await _requester.request(
       _url,
@@ -579,8 +564,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -593,7 +576,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':start';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':start';
 
     final _response = await _requester.request(
       _url,
@@ -629,8 +613,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -643,7 +625,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':stop';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':stop';
 
     final _response = await _requester.request(
       _url,
@@ -692,8 +675,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -702,7 +683,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -738,8 +720,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -748,7 +728,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -783,8 +763,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -793,7 +771,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -842,8 +820,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -861,7 +837,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(
@@ -902,8 +878,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -912,7 +886,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -957,8 +931,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -979,7 +951,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/tensorflowVersions';
 

generated/googleapis/lib/trafficdirector/v2.dart

diff --git a/generated/googleapis/lib/trafficdirector/v2.dart b/generated/googleapis/lib/trafficdirector/v2.dart
index acc9438..35838aa 100644
--- a/generated/googleapis/lib/trafficdirector/v2.dart
+++ b/generated/googleapis/lib/trafficdirector/v2.dart
@@ -74,8 +74,6 @@
     ClientStatusRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -85,7 +83,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/discovery:client_status';
+    const _url = 'v2/discovery:client_status';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/translate/v3.dart

diff --git a/generated/googleapis/lib/translate/v3.dart b/generated/googleapis/lib/translate/v3.dart
index 76f34e9..e7f2f9b 100644
--- a/generated/googleapis/lib/translate/v3.dart
+++ b/generated/googleapis/lib/translate/v3.dart
@@ -101,8 +101,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -115,7 +113,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':detectLanguage';
 
@@ -171,8 +169,6 @@
     core.String model,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -187,7 +183,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/supportedLanguages';
 
@@ -231,8 +227,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -245,7 +239,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':translateText';
 
@@ -305,8 +299,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -319,7 +311,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':batchTranslateText';
 
@@ -363,8 +355,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -377,7 +367,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':detectLanguage';
 
@@ -412,8 +402,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -422,7 +410,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -474,8 +462,6 @@
     core.String model,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -490,7 +476,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/supportedLanguages';
 
@@ -533,8 +519,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -552,7 +536,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$name') + '/locations';
 
     final _response = await _requester.request(
@@ -595,8 +579,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -609,7 +591,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         ':translateText';
 
@@ -656,8 +638,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -670,7 +650,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/glossaries';
 
@@ -708,8 +688,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -718,7 +696,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -752,8 +730,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -762,7 +738,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -825,8 +801,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -844,7 +818,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' +
+    final _url = 'v3/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/glossaries';
 
@@ -898,8 +872,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -912,7 +884,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -949,8 +922,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -959,7 +930,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -994,8 +965,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1004,7 +973,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1053,8 +1022,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1072,7 +1039,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v3/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(
@@ -1118,8 +1085,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1132,7 +1097,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':wait';
+    final _url =
+        'v3/' + commons.Escaper.ecapeVariableReserved('$name') + ':wait';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/vault/v1.dart

diff --git a/generated/googleapis/lib/vault/v1.dart b/generated/googleapis/lib/vault/v1.dart
index 3a98886..d2cda10 100644
--- a/generated/googleapis/lib/vault/v1.dart
+++ b/generated/googleapis/lib/vault/v1.dart
@@ -96,8 +96,6 @@
     core.String matterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -110,7 +108,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         ':addPermissions';
 
@@ -149,8 +147,6 @@
     core.String matterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -163,7 +159,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/matters/' + commons.Escaper.ecapeVariable('$matterId') + ':close';
 
     final _response = await _requester.request(
@@ -200,8 +196,6 @@
     core.String matterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -214,7 +208,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/matters/' + commons.Escaper.ecapeVariable('$matterId') + ':count';
 
     final _response = await _requester.request(
@@ -249,8 +243,6 @@
     Matter request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -260,7 +252,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters';
+    const _url = 'v1/matters';
 
     final _response = await _requester.request(
       _url,
@@ -293,8 +285,6 @@
     core.String matterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (matterId == null) {
       throw core.ArgumentError('Parameter matterId is required.');
     }
@@ -303,7 +293,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' + commons.Escaper.ecapeVariable('$matterId');
+    final _url = 'v1/matters/' + commons.Escaper.ecapeVariable('$matterId');
 
     final _response = await _requester.request(
       _url,
@@ -342,8 +332,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (matterId == null) {
       throw core.ArgumentError('Parameter matterId is required.');
     }
@@ -355,7 +343,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' + commons.Escaper.ecapeVariable('$matterId');
+    final _url = 'v1/matters/' + commons.Escaper.ecapeVariable('$matterId');
 
     final _response = await _requester.request(
       _url,
@@ -407,8 +395,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (pageSize != null) {
       _queryParams['pageSize'] = ['${pageSize}'];
@@ -426,7 +412,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters';
+    const _url = 'v1/matters';
 
     final _response = await _requester.request(
       _url,
@@ -460,8 +446,6 @@
     core.String matterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -474,7 +458,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         ':removePermissions';
 
@@ -512,8 +496,6 @@
     core.String matterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -526,7 +508,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/matters/' + commons.Escaper.ecapeVariable('$matterId') + ':reopen';
 
     final _response = await _requester.request(
@@ -564,8 +546,6 @@
     core.String matterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -578,7 +558,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         ':undelete';
 
@@ -618,8 +598,6 @@
     core.String matterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -632,7 +610,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' + commons.Escaper.ecapeVariable('$matterId');
+    final _url = 'v1/matters/' + commons.Escaper.ecapeVariable('$matterId');
 
     final _response = await _requester.request(
       _url,
@@ -672,8 +650,6 @@
     core.String matterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -686,7 +662,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/matters/' + commons.Escaper.ecapeVariable('$matterId') + '/exports';
 
     final _response = await _requester.request(
@@ -721,8 +697,6 @@
     core.String exportId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (matterId == null) {
       throw core.ArgumentError('Parameter matterId is required.');
     }
@@ -734,7 +708,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         '/exports/' +
         commons.Escaper.ecapeVariable('$exportId');
@@ -770,8 +744,6 @@
     core.String exportId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (matterId == null) {
       throw core.ArgumentError('Parameter matterId is required.');
     }
@@ -783,7 +755,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         '/exports/' +
         commons.Escaper.ecapeVariable('$exportId');
@@ -822,8 +794,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (matterId == null) {
       throw core.ArgumentError('Parameter matterId is required.');
     }
@@ -838,7 +808,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/matters/' + commons.Escaper.ecapeVariable('$matterId') + '/exports';
 
     final _response = await _requester.request(
@@ -888,8 +858,6 @@
     core.String holdId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -905,7 +873,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         '/holds/' +
         commons.Escaper.ecapeVariable('$holdId') +
@@ -944,8 +912,6 @@
     core.String matterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -958,7 +924,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/matters/' + commons.Escaper.ecapeVariable('$matterId') + '/holds';
 
     final _response = await _requester.request(
@@ -995,8 +961,6 @@
     core.String holdId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (matterId == null) {
       throw core.ArgumentError('Parameter matterId is required.');
     }
@@ -1008,7 +972,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         '/holds/' +
         commons.Escaper.ecapeVariable('$holdId');
@@ -1055,8 +1019,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (matterId == null) {
       throw core.ArgumentError('Parameter matterId is required.');
     }
@@ -1071,7 +1033,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         '/holds/' +
         commons.Escaper.ecapeVariable('$holdId');
@@ -1126,8 +1088,6 @@
     core.String view,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (matterId == null) {
       throw core.ArgumentError('Parameter matterId is required.');
     }
@@ -1145,7 +1105,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/matters/' + commons.Escaper.ecapeVariable('$matterId') + '/holds';
 
     final _response = await _requester.request(
@@ -1187,8 +1147,6 @@
     core.String holdId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1204,7 +1162,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         '/holds/' +
         commons.Escaper.ecapeVariable('$holdId') +
@@ -1250,8 +1208,6 @@
     core.String holdId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1267,7 +1223,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         '/holds/' +
         commons.Escaper.ecapeVariable('$holdId');
@@ -1317,8 +1273,6 @@
     core.String holdId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1334,7 +1288,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         '/holds/' +
         commons.Escaper.ecapeVariable('$holdId') +
@@ -1379,8 +1333,6 @@
     core.String accountId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (matterId == null) {
       throw core.ArgumentError('Parameter matterId is required.');
     }
@@ -1395,7 +1347,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         '/holds/' +
         commons.Escaper.ecapeVariable('$holdId') +
@@ -1436,8 +1388,6 @@
     core.String holdId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (matterId == null) {
       throw core.ArgumentError('Parameter matterId is required.');
     }
@@ -1449,7 +1399,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         '/holds/' +
         commons.Escaper.ecapeVariable('$holdId') +
@@ -1495,8 +1445,6 @@
     core.String matterId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1509,7 +1457,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         '/savedQueries';
 
@@ -1547,8 +1495,6 @@
     core.String savedQueryId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (matterId == null) {
       throw core.ArgumentError('Parameter matterId is required.');
     }
@@ -1560,7 +1506,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         '/savedQueries/' +
         commons.Escaper.ecapeVariable('$savedQueryId');
@@ -1597,8 +1543,6 @@
     core.String savedQueryId, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (matterId == null) {
       throw core.ArgumentError('Parameter matterId is required.');
     }
@@ -1610,7 +1554,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         '/savedQueries/' +
         commons.Escaper.ecapeVariable('$savedQueryId');
@@ -1655,8 +1599,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (matterId == null) {
       throw core.ArgumentError('Parameter matterId is required.');
     }
@@ -1671,7 +1613,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/matters/' +
+    final _url = 'v1/matters/' +
         commons.Escaper.ecapeVariable('$matterId') +
         '/savedQueries';
 
@@ -1723,8 +1665,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1737,7 +1677,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -1773,8 +1714,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1783,7 +1722,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1817,8 +1756,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1827,7 +1764,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1876,8 +1813,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1895,7 +1830,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/vectortile/v1.dart

diff --git a/generated/googleapis/lib/vectortile/v1.dart b/generated/googleapis/lib/vectortile/v1.dart
index f87f036..22510a0 100644
--- a/generated/googleapis/lib/vectortile/v1.dart
+++ b/generated/googleapis/lib/vectortile/v1.dart
@@ -180,8 +180,6 @@
     core.String regionCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -249,7 +247,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -357,8 +355,6 @@
     core.List<core.String> terrainFormats,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -408,7 +404,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/verifiedaccess/v1.dart

diff --git a/generated/googleapis/lib/verifiedaccess/v1.dart b/generated/googleapis/lib/verifiedaccess/v1.dart
index 3a7f01c..e1a7a8e 100644
--- a/generated/googleapis/lib/verifiedaccess/v1.dart
+++ b/generated/googleapis/lib/verifiedaccess/v1.dart
@@ -82,8 +82,6 @@
     Empty request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -93,7 +91,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/challenge';
+    const _url = 'v1/challenge';
 
     final _response = await _requester.request(
       _url,
@@ -124,8 +122,6 @@
     VerifyChallengeResponseRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -135,7 +131,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/challenge:verify';
+    const _url = 'v1/challenge:verify';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/videointelligence/v1.dart

diff --git a/generated/googleapis/lib/videointelligence/v1.dart b/generated/googleapis/lib/videointelligence/v1.dart
index c5b523d..22de28f 100644
--- a/generated/googleapis/lib/videointelligence/v1.dart
+++ b/generated/googleapis/lib/videointelligence/v1.dart
@@ -134,8 +134,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -144,7 +142,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/operations/' +
+    final _url = 'v1/operations/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':cancel';
 
@@ -183,8 +181,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -193,7 +189,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/operations/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url =
+        'v1/operations/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -229,8 +226,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -239,7 +234,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/operations/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url =
+        'v1/operations/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -309,8 +305,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -323,7 +317,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -361,8 +356,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -371,7 +364,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -407,8 +400,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -417,7 +408,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -467,8 +458,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -486,7 +475,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/operations';
 
     final _response = await _requester.request(
@@ -529,8 +518,6 @@
     GoogleCloudVideointelligenceV1AnnotateVideoRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -540,7 +527,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/videos:annotate';
+    const _url = 'v1/videos:annotate';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/vision/v1.dart

diff --git a/generated/googleapis/lib/vision/v1.dart b/generated/googleapis/lib/vision/v1.dart
index bd6c227..f2d0cb4 100644
--- a/generated/googleapis/lib/vision/v1.dart
+++ b/generated/googleapis/lib/vision/v1.dart
@@ -113,8 +113,6 @@
     BatchAnnotateFilesRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -124,7 +122,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/files:annotate';
+    const _url = 'v1/files:annotate';
 
     final _response = await _requester.request(
       _url,
@@ -163,8 +161,6 @@
     AsyncBatchAnnotateFilesRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -174,7 +170,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/files:asyncBatchAnnotate';
+    const _url = 'v1/files:asyncBatchAnnotate';
 
     final _response = await _requester.request(
       _url,
@@ -211,8 +207,6 @@
     BatchAnnotateImagesRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -222,7 +216,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/images:annotate';
+    const _url = 'v1/images:annotate';
 
     final _response = await _requester.request(
       _url,
@@ -261,8 +255,6 @@
     AsyncBatchAnnotateImagesRequest request, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -272,7 +264,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/images:asyncBatchAnnotate';
+    const _url = 'v1/images:asyncBatchAnnotate';
 
     final _response = await _requester.request(
       _url,
@@ -323,8 +315,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -333,7 +323,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -382,8 +372,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -396,7 +384,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':cancel';
 
     final _response = await _requester.request(
       _url,
@@ -432,8 +421,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -442,7 +429,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -476,8 +463,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -486,7 +471,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -535,8 +520,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -554,7 +537,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -618,8 +601,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -632,7 +613,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/files:annotate';
 
@@ -681,8 +662,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -695,7 +674,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/files:asyncBatchAnnotate';
 
@@ -742,8 +721,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -756,7 +733,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/images:annotate';
 
@@ -805,8 +782,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -819,7 +794,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/images:asyncBatchAnnotate';
 
@@ -890,8 +865,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -904,7 +877,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/files:annotate';
 
@@ -953,8 +926,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -967,7 +938,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/files:asyncBatchAnnotate';
 
@@ -1015,8 +986,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1029,7 +998,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/images:annotate';
 
@@ -1078,8 +1047,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1092,7 +1059,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/images:asyncBatchAnnotate';
 
@@ -1137,8 +1104,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1147,7 +1112,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1197,8 +1162,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1211,7 +1174,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':addProduct';
 
     final _response = await _requester.request(
@@ -1257,8 +1220,6 @@
     core.String productSetId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1274,7 +1235,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/productSets';
 
@@ -1314,8 +1275,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1324,7 +1283,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1359,8 +1318,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1369,7 +1326,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1413,8 +1370,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1427,7 +1382,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/productSets:import';
 
@@ -1473,8 +1428,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1489,7 +1442,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/productSets';
 
@@ -1539,8 +1492,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1556,7 +1507,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1594,8 +1545,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1608,7 +1557,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$name') +
         ':removeProduct';
 
@@ -1664,8 +1613,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1680,7 +1627,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/products';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + '/products';
 
     final _response = await _requester.request(
       _url,
@@ -1737,8 +1685,6 @@
     core.String productId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1754,7 +1700,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/products';
 
     final _response = await _requester.request(
@@ -1793,8 +1739,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1803,7 +1747,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1838,8 +1782,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -1848,7 +1790,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -1891,8 +1833,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -1907,7 +1847,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/products';
 
     final _response = await _requester.request(
@@ -1960,8 +1900,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1977,7 +1915,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2031,8 +1969,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2045,7 +1981,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/products:purge';
 
@@ -2112,8 +2048,6 @@
     core.String referenceImageId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2129,7 +2063,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/referenceImages';
 
@@ -2172,8 +2106,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2182,7 +2114,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2219,8 +2151,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2229,7 +2159,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -2277,8 +2207,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -2293,7 +2221,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/referenceImages';
 
@@ -2336,8 +2264,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -2346,7 +2272,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/webfonts/v1.dart

diff --git a/generated/googleapis/lib/webfonts/v1.dart b/generated/googleapis/lib/webfonts/v1.dart
index 11da072..9c702ba 100644
--- a/generated/googleapis/lib/webfonts/v1.dart
+++ b/generated/googleapis/lib/webfonts/v1.dart
@@ -85,8 +85,6 @@
     core.String sort,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (sort != null) {
       _queryParams['sort'] = [sort];
@@ -95,7 +93,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/webfonts';
+    const _url = 'v1/webfonts';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/webmasters/v3.dart

diff --git a/generated/googleapis/lib/webmasters/v3.dart b/generated/googleapis/lib/webmasters/v3.dart
index 0efdf53..2c725b7 100644
--- a/generated/googleapis/lib/webmasters/v3.dart
+++ b/generated/googleapis/lib/webmasters/v3.dart
@@ -99,8 +99,6 @@
     core.String siteUrl, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -113,7 +111,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'sites/' +
+    final _url = 'sites/' +
         commons.Escaper.ecapeVariable('$siteUrl') +
         '/searchAnalytics/query';
 
@@ -156,8 +154,6 @@
     core.String feedpath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (siteUrl == null) {
       throw core.ArgumentError('Parameter siteUrl is required.');
     }
@@ -169,7 +165,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'sites/' +
+    final _url = 'sites/' +
         commons.Escaper.ecapeVariable('$siteUrl') +
         '/sitemaps/' +
         commons.Escaper.ecapeVariable('$feedpath');
@@ -207,8 +203,6 @@
     core.String feedpath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (siteUrl == null) {
       throw core.ArgumentError('Parameter siteUrl is required.');
     }
@@ -220,7 +214,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'sites/' +
+    final _url = 'sites/' +
         commons.Escaper.ecapeVariable('$siteUrl') +
         '/sitemaps/' +
         commons.Escaper.ecapeVariable('$feedpath');
@@ -260,8 +254,6 @@
     core.String sitemapIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (siteUrl == null) {
       throw core.ArgumentError('Parameter siteUrl is required.');
     }
@@ -273,7 +265,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'sites/' + commons.Escaper.ecapeVariable('$siteUrl') + '/sitemaps';
+    final _url =
+        'sites/' + commons.Escaper.ecapeVariable('$siteUrl') + '/sitemaps';
 
     final _response = await _requester.request(
       _url,
@@ -307,8 +300,6 @@
     core.String feedpath, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (siteUrl == null) {
       throw core.ArgumentError('Parameter siteUrl is required.');
     }
@@ -320,7 +311,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'sites/' +
+    final _url = 'sites/' +
         commons.Escaper.ecapeVariable('$siteUrl') +
         '/sitemaps/' +
         commons.Escaper.ecapeVariable('$feedpath');
@@ -357,8 +348,6 @@
     core.String siteUrl, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (siteUrl == null) {
       throw core.ArgumentError('Parameter siteUrl is required.');
     }
@@ -367,7 +356,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'sites/' + commons.Escaper.ecapeVariable('$siteUrl');
+    final _url = 'sites/' + commons.Escaper.ecapeVariable('$siteUrl');
 
     await _requester.request(
       _url,
@@ -398,8 +387,6 @@
     core.String siteUrl, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (siteUrl == null) {
       throw core.ArgumentError('Parameter siteUrl is required.');
     }
@@ -408,7 +395,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'sites/' + commons.Escaper.ecapeVariable('$siteUrl');
+    final _url = 'sites/' + commons.Escaper.ecapeVariable('$siteUrl');
 
     await _requester.request(
       _url,
@@ -441,8 +428,6 @@
     core.String siteUrl, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (siteUrl == null) {
       throw core.ArgumentError('Parameter siteUrl is required.');
     }
@@ -451,7 +436,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'sites/' + commons.Escaper.ecapeVariable('$siteUrl');
+    final _url = 'sites/' + commons.Escaper.ecapeVariable('$siteUrl');
 
     final _response = await _requester.request(
       _url,
@@ -478,14 +463,12 @@
   async.Future<SitesListResponse> list({
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if ($fields != null) {
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'sites';
+    const _url = 'sites';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/websecurityscanner/v1.dart

diff --git a/generated/googleapis/lib/websecurityscanner/v1.dart b/generated/googleapis/lib/websecurityscanner/v1.dart
index a07dd46..0889a06 100644
--- a/generated/googleapis/lib/websecurityscanner/v1.dart
+++ b/generated/googleapis/lib/websecurityscanner/v1.dart
@@ -104,8 +104,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -118,7 +116,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/scanConfigs';
 
@@ -155,8 +153,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -165,7 +161,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -198,8 +194,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -208,7 +202,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -251,8 +245,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -267,7 +259,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/scanConfigs';
 
@@ -313,8 +305,6 @@
     core.String updateMask,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -330,7 +320,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -368,8 +358,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -382,7 +370,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':start';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':start';
 
     final _response = await _requester.request(
       _url,
@@ -431,8 +420,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -441,7 +428,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -485,8 +472,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -501,7 +486,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/scanRuns';
 
     final _response = await _requester.request(
@@ -542,8 +527,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -556,7 +539,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':stop';
+    final _url =
+        'v1/' + commons.Escaper.ecapeVariableReserved('$name') + ':stop';
 
     final _response = await _requester.request(
       _url,
@@ -608,8 +592,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -624,7 +606,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/crawledUrls';
 
@@ -669,8 +651,6 @@
     core.String parent, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -679,7 +659,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' +
+    final _url = 'v1/' +
         commons.Escaper.ecapeVariableReserved('$parent') +
         '/findingTypeStats';
 
@@ -723,8 +703,6 @@
     core.String name, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (name == null) {
       throw core.ArgumentError('Parameter name is required.');
     }
@@ -733,7 +711,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
+    final _url = 'v1/' + commons.Escaper.ecapeVariableReserved('$name');
 
     final _response = await _requester.request(
       _url,
@@ -781,8 +759,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (parent == null) {
       throw core.ArgumentError('Parameter parent is required.');
     }
@@ -800,7 +776,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url =
+    final _url =
         'v1/' + commons.Escaper.ecapeVariableReserved('$parent') + '/findings';
 
     final _response = await _requester.request(

generated/googleapis/lib/youtube/v3.dart

diff --git a/generated/googleapis/lib/youtube/v3.dart b/generated/googleapis/lib/youtube/v3.dart
index da752da..d48f598 100644
--- a/generated/googleapis/lib/youtube/v3.dart
+++ b/generated/googleapis/lib/youtube/v3.dart
@@ -187,8 +187,6 @@
     core.List<core.String> part, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -202,7 +200,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/abuseReports';
+    const _url = 'youtube/v3/abuseReports';
 
     final _response = await _requester.request(
       _url,
@@ -275,8 +273,6 @@
     core.String regionCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -310,7 +306,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/activities';
+    const _url = 'youtube/v3/activities';
 
     final _response = await _requester.request(
       _url,
@@ -361,8 +357,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
@@ -378,7 +372,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/captions';
+    const _url = 'youtube/v3/captions';
 
     await _requester.request(
       _url,
@@ -435,8 +429,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
     }
@@ -457,7 +449,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/captions/' + commons.Escaper.ecapeVariable('$id');
+    final _url = 'youtube/v3/captions/' + commons.Escaper.ecapeVariable('$id');
 
     final _response = await _requester.request(
       _url,
@@ -525,8 +517,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -549,6 +539,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'youtube/v3/captions';
     } else if (uploadOptions is commons.ResumableUploadOptions) {
@@ -612,8 +603,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -636,7 +625,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/captions';
+    const _url = 'youtube/v3/captions';
 
     final _response = await _requester.request(
       _url,
@@ -700,8 +689,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -724,6 +711,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'youtube/v3/captions';
     } else if (uploadOptions is commons.ResumableUploadOptions) {
@@ -811,8 +799,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -833,6 +819,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'youtube/v3/channelBanners/insert';
     } else if (uploadOptions is commons.ResumableUploadOptions) {
@@ -889,8 +876,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
@@ -903,7 +888,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/channelSections';
+    const _url = 'youtube/v3/channelSections';
 
     await _requester.request(
       _url,
@@ -969,8 +954,6 @@
     core.String onBehalfOfContentOwnerChannel,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -992,7 +975,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/channelSections';
+    const _url = 'youtube/v3/channelSections';
 
     final _response = await _requester.request(
       _url,
@@ -1057,8 +1040,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -1083,7 +1064,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/channelSections';
+    const _url = 'youtube/v3/channelSections';
 
     final _response = await _requester.request(
       _url,
@@ -1132,8 +1113,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1150,7 +1129,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/channelSections';
+    const _url = 'youtube/v3/channelSections';
 
     final _response = await _requester.request(
       _url,
@@ -1241,8 +1220,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -1282,7 +1259,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/channels';
+    const _url = 'youtube/v3/channels';
 
     final _response = await _requester.request(
       _url,
@@ -1334,8 +1311,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1352,7 +1327,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/channels';
+    const _url = 'youtube/v3/channels';
 
     final _response = await _requester.request(
       _url,
@@ -1394,8 +1369,6 @@
     core.List<core.String> part, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1409,7 +1382,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/commentThreads';
+    const _url = 'youtube/v3/commentThreads';
 
     final _response = await _requester.request(
       _url,
@@ -1495,8 +1468,6 @@
     core.String videoId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -1538,7 +1509,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/commentThreads';
+    const _url = 'youtube/v3/commentThreads';
 
     final _response = await _requester.request(
       _url,
@@ -1575,8 +1546,6 @@
     core.List<core.String> part, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1590,7 +1559,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/commentThreads';
+    const _url = 'youtube/v3/commentThreads';
 
     final _response = await _requester.request(
       _url,
@@ -1626,8 +1595,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
@@ -1637,7 +1604,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/comments';
+    const _url = 'youtube/v3/comments';
 
     await _requester.request(
       _url,
@@ -1672,8 +1639,6 @@
     core.List<core.String> part, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1687,7 +1652,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/comments';
+    const _url = 'youtube/v3/comments';
 
     final _response = await _requester.request(
       _url,
@@ -1744,8 +1709,6 @@
     core.String textFormat,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -1770,7 +1733,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/comments';
+    const _url = 'youtube/v3/comments';
 
     final _response = await _requester.request(
       _url,
@@ -1801,8 +1764,6 @@
     core.List<core.String> id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null || id.isEmpty) {
       throw core.ArgumentError('Parameter id is required.');
@@ -1812,7 +1773,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/comments/markAsSpam';
+    const _url = 'youtube/v3/comments/markAsSpam';
 
     await _requester.request(
       _url,
@@ -1857,8 +1818,6 @@
     core.bool banAuthor,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null || id.isEmpty) {
       throw core.ArgumentError('Parameter id is required.');
@@ -1875,7 +1834,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/comments/setModerationStatus';
+    const _url = 'youtube/v3/comments/setModerationStatus';
 
     await _requester.request(
       _url,
@@ -1911,8 +1870,6 @@
     core.List<core.String> part, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -1926,7 +1883,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/comments';
+    const _url = 'youtube/v3/comments';
 
     final _response = await _requester.request(
       _url,
@@ -1968,8 +1925,6 @@
     core.String hl,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -1982,7 +1937,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/i18nLanguages';
+    const _url = 'youtube/v3/i18nLanguages';
 
     final _response = await _requester.request(
       _url,
@@ -2023,8 +1978,6 @@
     core.String hl,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -2037,7 +1990,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/i18nRegions';
+    const _url = 'youtube/v3/i18nRegions';
 
     final _response = await _requester.request(
       _url,
@@ -2113,8 +2066,6 @@
     core.String streamId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
@@ -2139,7 +2090,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveBroadcasts/bind';
+    const _url = 'youtube/v3/liveBroadcasts/bind';
 
     final _response = await _requester.request(
       _url,
@@ -2198,8 +2149,6 @@
     core.String onBehalfOfContentOwnerChannel,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
@@ -2217,7 +2166,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveBroadcasts';
+    const _url = 'youtube/v3/liveBroadcasts';
 
     await _requester.request(
       _url,
@@ -2284,8 +2233,6 @@
     core.String onBehalfOfContentOwnerChannel,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2307,7 +2254,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveBroadcasts';
+    const _url = 'youtube/v3/liveBroadcasts';
 
     final _response = await _requester.request(
       _url,
@@ -2406,8 +2353,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -2443,7 +2388,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveBroadcasts';
+    const _url = 'youtube/v3/liveBroadcasts';
 
     final _response = await _requester.request(
       _url,
@@ -2523,8 +2468,6 @@
     core.String onBehalfOfContentOwnerChannel,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (broadcastStatus == null) {
       throw core.ArgumentError('Parameter broadcastStatus is required.');
@@ -2550,7 +2493,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveBroadcasts/transition';
+    const _url = 'youtube/v3/liveBroadcasts/transition';
 
     final _response = await _requester.request(
       _url,
@@ -2626,8 +2569,6 @@
     core.String onBehalfOfContentOwnerChannel,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2649,7 +2590,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveBroadcasts';
+    const _url = 'youtube/v3/liveBroadcasts';
 
     final _response = await _requester.request(
       _url,
@@ -2685,8 +2626,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
@@ -2696,7 +2635,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveChat/bans';
+    const _url = 'youtube/v3/liveChat/bans';
 
     await _requester.request(
       _url,
@@ -2732,8 +2671,6 @@
     core.List<core.String> part, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2747,7 +2684,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveChat/bans';
+    const _url = 'youtube/v3/liveChat/bans';
 
     final _response = await _requester.request(
       _url,
@@ -2783,8 +2720,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
@@ -2794,7 +2729,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveChat/messages';
+    const _url = 'youtube/v3/liveChat/messages';
 
     await _requester.request(
       _url,
@@ -2829,8 +2764,6 @@
     core.List<core.String> part, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -2844,7 +2777,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveChat/messages';
+    const _url = 'youtube/v3/liveChat/messages';
 
     final _response = await _requester.request(
       _url,
@@ -2900,8 +2833,6 @@
     core.int profileImageSize,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (liveChatId == null) {
       throw core.ArgumentError('Parameter liveChatId is required.');
@@ -2927,7 +2858,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveChat/messages';
+    const _url = 'youtube/v3/liveChat/messages';
 
     final _response = await _requester.request(
       _url,
@@ -2962,8 +2893,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
@@ -2973,7 +2902,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveChat/moderators';
+    const _url = 'youtube/v3/liveChat/moderators';
 
     await _requester.request(
       _url,
@@ -3009,8 +2938,6 @@
     core.List<core.String> part, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3024,7 +2951,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveChat/moderators';
+    const _url = 'youtube/v3/liveChat/moderators';
 
     final _response = await _requester.request(
       _url,
@@ -3072,8 +2999,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (liveChatId == null) {
       throw core.ArgumentError('Parameter liveChatId is required.');
@@ -3093,7 +3018,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveChat/moderators';
+    const _url = 'youtube/v3/liveChat/moderators';
 
     final _response = await _requester.request(
       _url,
@@ -3158,8 +3083,6 @@
     core.String onBehalfOfContentOwnerChannel,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
@@ -3177,7 +3100,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveStreams';
+    const _url = 'youtube/v3/liveStreams';
 
     await _requester.request(
       _url,
@@ -3244,8 +3167,6 @@
     core.String onBehalfOfContentOwnerChannel,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3267,7 +3188,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveStreams';
+    const _url = 'youtube/v3/liveStreams';
 
     final _response = await _requester.request(
       _url,
@@ -3350,8 +3271,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -3381,7 +3300,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveStreams';
+    const _url = 'youtube/v3/liveStreams';
 
     final _response = await _requester.request(
       _url,
@@ -3452,8 +3371,6 @@
     core.String onBehalfOfContentOwnerChannel,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3475,7 +3392,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/liveStreams';
+    const _url = 'youtube/v3/liveStreams';
 
     final _response = await _requester.request(
       _url,
@@ -3540,8 +3457,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -3566,7 +3481,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/members';
+    const _url = 'youtube/v3/members';
 
     final _response = await _requester.request(
       _url,
@@ -3605,8 +3520,6 @@
     core.List<core.String> part, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -3616,7 +3529,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/membershipsLevels';
+    const _url = 'youtube/v3/membershipsLevels';
 
     final _response = await _requester.request(
       _url,
@@ -3663,8 +3576,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
@@ -3677,7 +3588,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/playlistItems';
+    const _url = 'youtube/v3/playlistItems';
 
     await _requester.request(
       _url,
@@ -3724,8 +3635,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3742,7 +3651,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/playlistItems';
+    const _url = 'youtube/v3/playlistItems';
 
     final _response = await _requester.request(
       _url,
@@ -3812,8 +3721,6 @@
     core.String videoId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -3841,7 +3748,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/playlistItems';
+    const _url = 'youtube/v3/playlistItems';
 
     final _response = await _requester.request(
       _url,
@@ -3899,8 +3806,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -3917,7 +3822,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/playlistItems';
+    const _url = 'youtube/v3/playlistItems';
 
     final _response = await _requester.request(
       _url,
@@ -3965,8 +3870,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
@@ -3979,7 +3882,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/playlists';
+    const _url = 'youtube/v3/playlists';
 
     await _requester.request(
       _url,
@@ -4044,8 +3947,6 @@
     core.String onBehalfOfContentOwnerChannel,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4067,7 +3968,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/playlists';
+    const _url = 'youtube/v3/playlists';
 
     final _response = await _requester.request(
       _url,
@@ -4156,8 +4057,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -4193,7 +4092,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/playlists';
+    const _url = 'youtube/v3/playlists';
 
     final _response = await _requester.request(
       _url,
@@ -4247,8 +4146,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4265,7 +4162,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/playlists';
+    const _url = 'youtube/v3/playlists';
 
     final _response = await _requester.request(
       _url,
@@ -4482,8 +4379,6 @@
     core.String videoType,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -4583,7 +4478,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/search';
+    const _url = 'youtube/v3/search';
 
     final _response = await _requester.request(
       _url,
@@ -4618,8 +4513,6 @@
     core.String id, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
@@ -4629,7 +4522,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/subscriptions';
+    const _url = 'youtube/v3/subscriptions';
 
     await _requester.request(
       _url,
@@ -4664,8 +4557,6 @@
     core.List<core.String> part, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4679,7 +4570,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/subscriptions';
+    const _url = 'youtube/v3/subscriptions';
 
     final _response = await _requester.request(
       _url,
@@ -4784,8 +4675,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -4830,7 +4719,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/subscriptions';
+    const _url = 'youtube/v3/subscriptions';
 
     final _response = await _requester.request(
       _url,
@@ -4881,8 +4770,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -4901,7 +4788,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/superChatEvents';
+    const _url = 'youtube/v3/superChatEvents';
 
     final _response = await _requester.request(
       _url,
@@ -4941,8 +4828,6 @@
     core.List<core.String> part, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -4956,7 +4841,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/tests';
+    const _url = 'youtube/v3/tests';
 
     final _response = await _requester.request(
       _url,
@@ -5002,8 +4887,6 @@
     core.List<core.String> part,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (linkingToken == null) {
       throw core.ArgumentError('Parameter linkingToken is required.');
@@ -5020,7 +4903,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/thirdPartyLinks';
+    const _url = 'youtube/v3/thirdPartyLinks';
 
     await _requester.request(
       _url,
@@ -5055,8 +4938,6 @@
     core.List<core.String> part, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5070,7 +4951,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/thirdPartyLinks';
+    const _url = 'youtube/v3/thirdPartyLinks';
 
     final _response = await _requester.request(
       _url,
@@ -5115,8 +4996,6 @@
     core.String type,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -5132,7 +5011,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/thirdPartyLinks';
+    const _url = 'youtube/v3/thirdPartyLinks';
 
     final _response = await _requester.request(
       _url,
@@ -5168,8 +5047,6 @@
     core.List<core.String> part, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5183,7 +5060,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/thirdPartyLinks';
+    const _url = 'youtube/v3/thirdPartyLinks';
 
     final _response = await _requester.request(
       _url,
@@ -5244,8 +5121,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (videoId == null) {
       throw core.ArgumentError('Parameter videoId is required.');
@@ -5258,6 +5133,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'youtube/v3/thumbnails/set';
     } else if (uploadOptions is commons.ResumableUploadOptions) {
@@ -5308,8 +5184,6 @@
     core.String hl,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -5322,7 +5196,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/videoAbuseReportReasons';
+    const _url = 'youtube/v3/videoAbuseReportReasons';
 
     final _response = await _requester.request(
       _url,
@@ -5371,8 +5245,6 @@
     core.String regionCode,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -5391,7 +5263,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/videoCategories';
+    const _url = 'youtube/v3/videoCategories';
 
     final _response = await _requester.request(
       _url,
@@ -5438,8 +5310,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
@@ -5452,7 +5322,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/videos';
+    const _url = 'youtube/v3/videos';
 
     await _requester.request(
       _url,
@@ -5495,8 +5365,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null || id.isEmpty) {
       throw core.ArgumentError('Parameter id is required.');
@@ -5509,7 +5377,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/videos/getRating';
+    const _url = 'youtube/v3/videos/getRating';
 
     final _response = await _requester.request(
       _url,
@@ -5598,8 +5466,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5630,6 +5496,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'youtube/v3/videos';
     } else if (uploadOptions is commons.ResumableUploadOptions) {
@@ -5745,8 +5612,6 @@
     core.String videoCategoryId,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (part == null || part.isEmpty) {
       throw core.ArgumentError('Parameter part is required.');
@@ -5792,7 +5657,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/videos';
+    const _url = 'youtube/v3/videos';
 
     final _response = await _requester.request(
       _url,
@@ -5828,8 +5693,6 @@
     core.String rating, {
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id == null) {
       throw core.ArgumentError('Parameter id is required.');
@@ -5843,7 +5706,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/videos/rate';
+    const _url = 'youtube/v3/videos/rate';
 
     await _requester.request(
       _url,
@@ -5883,8 +5746,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5897,7 +5758,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/videos/reportAbuse';
+    const _url = 'youtube/v3/videos/reportAbuse';
 
     await _requester.request(
       _url,
@@ -5959,8 +5820,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -5977,7 +5836,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/videos';
+    const _url = 'youtube/v3/videos';
 
     final _response = await _requester.request(
       _url,
@@ -6035,8 +5894,6 @@
     commons.UploadOptions uploadOptions = commons.UploadOptions.Default,
     commons.Media uploadMedia,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -6053,6 +5910,7 @@
       _queryParams['fields'] = [$fields];
     }
 
+    core.String _url;
     if (uploadMedia == null) {
       _url = 'youtube/v3/watermarks/set';
     } else if (uploadOptions is commons.ResumableUploadOptions) {
@@ -6102,8 +5960,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (channelId == null) {
       throw core.ArgumentError('Parameter channelId is required.');
@@ -6116,7 +5972,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'youtube/v3/watermarks/unset';
+    const _url = 'youtube/v3/watermarks/unset';
 
     await _requester.request(
       _url,

generated/googleapis/lib/youtubeanalytics/v2.dart

diff --git a/generated/googleapis/lib/youtubeanalytics/v2.dart b/generated/googleapis/lib/youtubeanalytics/v2.dart
index bbaf11a..5573d88 100644
--- a/generated/googleapis/lib/youtubeanalytics/v2.dart
+++ b/generated/googleapis/lib/youtubeanalytics/v2.dart
@@ -112,8 +112,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id != null) {
       _queryParams['id'] = [id];
@@ -125,7 +123,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/groupItems';
+    const _url = 'v2/groupItems';
 
     final _response = await _requester.request(
       _url,
@@ -168,8 +166,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -182,7 +178,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/groupItems';
+    const _url = 'v2/groupItems';
 
     final _response = await _requester.request(
       _url,
@@ -226,8 +222,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (groupId != null) {
       _queryParams['groupId'] = [groupId];
@@ -239,7 +233,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/groupItems';
+    const _url = 'v2/groupItems';
 
     final _response = await _requester.request(
       _url,
@@ -289,8 +283,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id != null) {
       _queryParams['id'] = [id];
@@ -302,7 +294,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/groups';
+    const _url = 'v2/groups';
 
     final _response = await _requester.request(
       _url,
@@ -345,8 +337,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -359,7 +349,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/groups';
+    const _url = 'v2/groups';
 
     final _response = await _requester.request(
       _url,
@@ -420,8 +410,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (id != null) {
       _queryParams['id'] = [id];
@@ -439,7 +427,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/groups';
+    const _url = 'v2/groups';
 
     final _response = await _requester.request(
       _url,
@@ -484,8 +472,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -498,7 +484,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/groups';
+    const _url = 'v2/groups';
 
     final _response = await _requester.request(
       _url,
@@ -605,8 +591,6 @@
     core.int startIndex,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (currency != null) {
       _queryParams['currency'] = [currency];
@@ -647,7 +631,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v2/reports';
+    const _url = 'v2/reports';
 
     final _response = await _requester.request(
       _url,

generated/googleapis/lib/youtubereporting/v1.dart

diff --git a/generated/googleapis/lib/youtubereporting/v1.dart b/generated/googleapis/lib/youtubereporting/v1.dart
index 3df5b62..015c589 100644
--- a/generated/googleapis/lib/youtubereporting/v1.dart
+++ b/generated/googleapis/lib/youtubereporting/v1.dart
@@ -107,8 +107,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     core.String _body;
     if (request != null) {
       _body = convert.json.encode(request.toJson());
@@ -121,7 +119,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/jobs';
+    const _url = 'v1/jobs';
 
     final _response = await _requester.request(
       _url,
@@ -157,8 +155,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (jobId == null) {
       throw core.ArgumentError('Parameter jobId is required.');
     }
@@ -170,7 +166,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/jobs/' + commons.Escaper.ecapeVariable('$jobId');
+    final _url = 'v1/jobs/' + commons.Escaper.ecapeVariable('$jobId');
 
     final _response = await _requester.request(
       _url,
@@ -205,8 +201,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (jobId == null) {
       throw core.ArgumentError('Parameter jobId is required.');
     }
@@ -218,7 +212,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/jobs/' + commons.Escaper.ecapeVariable('$jobId');
+    final _url = 'v1/jobs/' + commons.Escaper.ecapeVariable('$jobId');
 
     final _response = await _requester.request(
       _url,
@@ -265,8 +259,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (includeSystemManaged != null) {
       _queryParams['includeSystemManaged'] = ['${includeSystemManaged}'];
@@ -284,7 +276,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/jobs';
+    const _url = 'v1/jobs';
 
     final _response = await _requester.request(
       _url,
@@ -329,8 +321,6 @@
     core.String onBehalfOfContentOwner,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (jobId == null) {
       throw core.ArgumentError('Parameter jobId is required.');
     }
@@ -345,7 +335,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/jobs/' +
+    final _url = 'v1/jobs/' +
         commons.Escaper.ecapeVariable('$jobId') +
         '/reports/' +
         commons.Escaper.ecapeVariable('$reportId');
@@ -407,8 +397,6 @@
     core.String startTimeBefore,
     core.String $fields,
   }) async {
-    core.String _url;
-
     if (jobId == null) {
       throw core.ArgumentError('Parameter jobId is required.');
     }
@@ -435,7 +423,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/jobs/' + commons.Escaper.ecapeVariable('$jobId') + '/reports';
+    final _url =
+        'v1/jobs/' + commons.Escaper.ecapeVariable('$jobId') + '/reports';
 
     final _response = await _requester.request(
       _url,
@@ -484,8 +473,6 @@
     core.String $fields,
     commons.DownloadOptions downloadOptions = commons.DownloadOptions.Metadata,
   }) async {
-    core.String _url;
-
     if (resourceName == null) {
       throw core.ArgumentError('Parameter resourceName is required.');
     }
@@ -494,7 +481,8 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/media/' + commons.Escaper.ecapeVariableReserved('$resourceName');
+    final _url =
+        'v1/media/' + commons.Escaper.ecapeVariableReserved('$resourceName');
 
     final _response = await _requester.request(
       _url,
@@ -554,8 +542,6 @@
     core.String pageToken,
     core.String $fields,
   }) async {
-    core.String _url;
-
     final _queryParams = <core.String, core.List<core.String>>{};
     if (includeSystemManaged != null) {
       _queryParams['includeSystemManaged'] = ['${includeSystemManaged}'];
@@ -573,7 +559,7 @@
       _queryParams['fields'] = [$fields];
     }
 
-    _url = 'v1/reportTypes';
+    const _url = 'v1/reportTypes';
 
     final _response = await _requester.request(
       _url,