fix bad indentations(mainly around collection literals) (#41355)

diff --git a/packages/flutter_tools/lib/src/build_runner/build_runner.dart b/packages/flutter_tools/lib/src/build_runner/build_runner.dart
index f24174a..a6242c9 100644
--- a/packages/flutter_tools/lib/src/build_runner/build_runner.dart
+++ b/packages/flutter_tools/lib/src/build_runner/build_runner.dart
@@ -163,8 +163,8 @@
         '--packages=$scriptPackagesPath',
         buildSnapshot.path,
         'daemon',
-         '--skip-build-script-check',
-         '--delete-conflicting-outputs',
+        '--skip-build-script-check',
+        '--delete-conflicting-outputs',
       ];
       buildDaemonClient = await BuildDaemonClient.connect(
         flutterProject.directory.path,
diff --git a/packages/flutter_tools/lib/src/build_runner/build_script.dart b/packages/flutter_tools/lib/src/build_runner/build_script.dart
index c5b8543..104d2c7 100644
--- a/packages/flutter_tools/lib/src/build_runner/build_script.dart
+++ b/packages/flutter_tools/lib/src/build_runner/build_script.dart
@@ -58,8 +58,7 @@
   'video_player',
 };
 
-final DartPlatform flutterWebPlatform =
-    DartPlatform.register('flutter_web', <String>[
+final DartPlatform flutterWebPlatform = DartPlatform.register('flutter_web', <String>[
   'async',
   'collection',
   'convert',
@@ -208,14 +207,14 @@
 
   @override
   Map<String, List<String>> get buildExtensions => const <String, List<String>>{
-        '.dart': <String>[
-          ddcBootstrapExtension,
-          jsEntrypointExtension,
-          jsEntrypointSourceMapExtension,
-          jsEntrypointArchiveExtension,
-          digestsEntrypointExtension,
-        ],
-      };
+    '.dart': <String>[
+      ddcBootstrapExtension,
+      jsEntrypointExtension,
+      jsEntrypointSourceMapExtension,
+      jsEntrypointArchiveExtension,
+      digestsEntrypointExtension,
+    ],
+  };
 
   @override
   Future<void> build(BuildStep buildStep) async {
@@ -235,14 +234,14 @@
 
   @override
   Map<String, List<String>> get buildExtensions => const <String, List<String>>{
-        '.dart': <String>[
-          ddcBootstrapExtension,
-          jsEntrypointExtension,
-          jsEntrypointSourceMapExtension,
-          jsEntrypointArchiveExtension,
-          digestsEntrypointExtension,
-        ],
-      };
+    '.dart': <String>[
+      ddcBootstrapExtension,
+      jsEntrypointExtension,
+      jsEntrypointSourceMapExtension,
+      jsEntrypointArchiveExtension,
+      digestsEntrypointExtension,
+    ],
+  };
 
   @override
   Future<void> build(BuildStep buildStep) async {
diff --git a/packages/flutter_tools/lib/src/build_system/targets/dart.dart b/packages/flutter_tools/lib/src/build_system/targets/dart.dart
index b3dc5c2..d8b3acd 100644
--- a/packages/flutter_tools/lib/src/build_system/targets/dart.dart
+++ b/packages/flutter_tools/lib/src/build_system/targets/dart.dart
@@ -73,7 +73,7 @@
     Source.artifact(Artifact.vmSnapshotData, mode: BuildMode.debug),
     Source.artifact(Artifact.isolateSnapshotData, mode: BuildMode.debug),
     Source.pattern('{BUILD_DIR}/app.dill'),
-    Source.behavior(AssetOutputBehavior())
+    Source.behavior(AssetOutputBehavior()),
   ];
 
   @override
@@ -84,7 +84,7 @@
     Source.pattern('{OUTPUT_DIR}/AssetManifest.json'),
     Source.pattern('{OUTPUT_DIR}/FontManifest.json'),
     Source.pattern('{OUTPUT_DIR}/LICENSE'),
-    Source.behavior(AssetOutputBehavior())
+    Source.behavior(AssetOutputBehavior()),
   ];
 
   @override
@@ -157,7 +157,7 @@
     Source.pattern('{OUTPUT_DIR}/AssetManifest.json'),
     Source.pattern('{OUTPUT_DIR}/FontManifest.json'),
     Source.pattern('{OUTPUT_DIR}/LICENSE'),
-    Source.behavior(AssetOutputBehavior())
+    Source.behavior(AssetOutputBehavior()),
   ];
 
   @override
diff --git a/packages/flutter_tools/lib/src/bundle.dart b/packages/flutter_tools/lib/src/bundle.dart
index 6c3b6c9..6902a042 100644
--- a/packages/flutter_tools/lib/src/bundle.dart
+++ b/packages/flutter_tools/lib/src/bundle.dart
@@ -163,7 +163,7 @@
       kTargetFile: mainPath,
       kBuildMode: getNameForBuildMode(buildMode),
       kTargetPlatform: getNameForTargetPlatform(targetPlatform),
-    }
+    },
   );
   final Target target = buildMode == BuildMode.debug
     ? const CopyFlutterBundle()
diff --git a/packages/flutter_tools/lib/src/commands/unpack.dart b/packages/flutter_tools/lib/src/commands/unpack.dart
index caa4436..6dfdc10 100644
--- a/packages/flutter_tools/lib/src/commands/unpack.dart
+++ b/packages/flutter_tools/lib/src/commands/unpack.dart
@@ -12,8 +12,7 @@
 import '../runner/flutter_command.dart';
 
 /// The directory in the Flutter cache for each platform's artifacts.
-const Map<TargetPlatform, String> flutterArtifactPlatformDirectory =
-    <TargetPlatform, String>{
+const Map<TargetPlatform, String> flutterArtifactPlatformDirectory = <TargetPlatform, String>{
   TargetPlatform.linux_x64: 'linux-x64',
   TargetPlatform.darwin_x64: 'darwin-x64',
   TargetPlatform.windows_x64: 'windows-x64',
diff --git a/packages/flutter_tools/lib/src/doctor.dart b/packages/flutter_tools/lib/src/doctor.dart
index 4aec079..dd932ba 100644
--- a/packages/flutter_tools/lib/src/doctor.dart
+++ b/packages/flutter_tools/lib/src/doctor.dart
@@ -802,7 +802,7 @@
       validators.add(ValidatorWithResult(
           userMessages.intellijMacUnknownResult,
           ValidationResult(ValidationType.missing, <ValidationMessage>[
-              ValidationMessage.error(e.message),
+            ValidationMessage.error(e.message),
           ]),
       ));
     }
diff --git a/packages/flutter_tools/lib/src/test/flutter_web_platform.dart b/packages/flutter_tools/lib/src/test/flutter_web_platform.dart
index 416b7d0..2281b98b 100644
--- a/packages/flutter_tools/lib/src/test/flutter_web_platform.dart
+++ b/packages/flutter_tools/lib/src/test/flutter_web_platform.dart
@@ -245,11 +245,11 @@
         _webSocketHandler.create(webSocketHandler(completer.complete));
     final Uri webSocketUrl = url.replace(scheme: 'ws').resolve(path);
     final Uri hostUrl = url
-        .resolve('static/index.html')
-        .replace(queryParameters: <String, String>{
-      'managerUrl': webSocketUrl.toString(),
-      'debug': _config.pauseAfterLoad.toString(),
-    });
+      .resolve('static/index.html')
+      .replace(queryParameters: <String, String>{
+        'managerUrl': webSocketUrl.toString(),
+        'debug': _config.pauseAfterLoad.toString(),
+      });
 
     printTrace('Serving tests at $hostUrl');
 
@@ -559,8 +559,7 @@
     Object message, {
     StackTraceMapper mapper,
   }) async {
-    url = url.replace(
-        fragment: Uri.encodeFull(jsonEncode(<String, Object>{
+    url = url.replace(fragment: Uri.encodeFull(jsonEncode(<String, Object>{
       'metadata': suiteConfig.metadata.serialize(),
       'browser': _runtime.identifier,
     })));
diff --git a/packages/flutter_tools/lib/src/version.dart b/packages/flutter_tools/lib/src/version.dart
index 210f96e..c3d9364 100644
--- a/packages/flutter_tools/lib/src/version.dart
+++ b/packages/flutter_tools/lib/src/version.dart
@@ -120,14 +120,14 @@
   }
 
   Map<String, Object> toJson() => <String, Object>{
-        'frameworkVersion': frameworkVersion ?? 'unknown',
-        'channel': channel,
-        'repositoryUrl': repositoryUrl ?? 'unknown source',
-        'frameworkRevision': frameworkRevision,
-        'frameworkCommitDate': frameworkCommitDate,
-        'engineRevision': engineRevision,
-        'dartSdkVersion': dartSdkVersion,
-      };
+    'frameworkVersion': frameworkVersion ?? 'unknown',
+    'channel': channel,
+    'repositoryUrl': repositoryUrl ?? 'unknown source',
+    'frameworkRevision': frameworkRevision,
+    'frameworkCommitDate': frameworkCommitDate,
+    'engineRevision': engineRevision,
+    'dartSdkVersion': dartSdkVersion,
+  };
 
   /// A date String describing the last framework commit.
   String get frameworkCommitDate => _latestGitCommitDate();
diff --git a/packages/flutter_tools/lib/src/vmservice.dart b/packages/flutter_tools/lib/src/vmservice.dart
index e43d532..fbf6e6b 100644
--- a/packages/flutter_tools/lib/src/vmservice.dart
+++ b/packages/flutter_tools/lib/src/vmservice.dart
@@ -331,8 +331,8 @@
     Map<String, dynamic> params,
   ) {
     return Future.any<Map<String, dynamic>>(<Future<Map<String, dynamic>>>[
-        _peer.sendRequest(method, params).then<Map<String, dynamic>>(castStringKeyedMap),
-        _connectionError.future,
+      _peer.sendRequest(method, params).then<Map<String, dynamic>>(castStringKeyedMap),
+      _connectionError.future,
     ]);
   }