diff --git a/packages/flutter_tools/lib/src/devfs.dart b/packages/flutter_tools/lib/src/devfs.dart
index 73e0214..021c5b9 100644
--- a/packages/flutter_tools/lib/src/devfs.dart
+++ b/packages/flutter_tools/lib/src/devfs.dart
@@ -241,7 +241,7 @@
     try {
       return await vmService.vm.invokeRpcRaw(
         '_writeDevFSFile',
-        params: <String, dynamic> {
+        params: <String, dynamic>{
           'fsName': fsName,
           'uri': deviceUri.toString(),
           'fileContents': fileContents,
@@ -337,8 +337,11 @@
 
 // Basic statistics for DevFS update operation.
 class UpdateFSReport {
-  UpdateFSReport({bool success = false,
-    int invalidatedSourcesCount = 0, int syncedBytes = 0}) {
+  UpdateFSReport({
+    bool success = false,
+    int invalidatedSourcesCount = 0,
+    int syncedBytes = 0,
+  }) {
     _success = success;
     _invalidatedSourcesCount = invalidatedSourcesCount;
     _syncedBytes = syncedBytes;