code formatting (#85783)

dev/benchmarks/macrobenchmarks/lib/src/web/bench_paths.dart

@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:macrobenchmarks/src/web/bench_paths_recording.dart'
-    as recording;
+import 'package:macrobenchmarks/src/web/bench_paths_recording.dart' as recording;
 import 'package:macrobenchmarks/src/web/recorder.dart';
 
 /// Measure the performance of path construction.

dev/devicelab/bin/tasks/platform_channels_benchmarks.dart

@@ -4,11 +4,9 @@
 
 // @dart = 2.8
 
-import 'package:flutter_devicelab/framework/devices.dart'
-    show DeviceOperatingSystem;
+import 'package:flutter_devicelab/framework/devices.dart' show DeviceOperatingSystem;
 import 'package:flutter_devicelab/framework/framework.dart' show task;
-import 'package:flutter_devicelab/tasks/platform_channels_benchmarks.dart'
-    as platform_channels_benchmarks;
+import 'package:flutter_devicelab/tasks/platform_channels_benchmarks.dart' as platform_channels_benchmarks;
 
 Future<void> main() async {
   await task(

dev/devicelab/bin/tasks/platform_channels_benchmarks_ios.dart

@@ -4,11 +4,9 @@
 
 // @dart = 2.8
 
-import 'package:flutter_devicelab/framework/devices.dart'
-    show DeviceOperatingSystem;
+import 'package:flutter_devicelab/framework/devices.dart' show DeviceOperatingSystem;
 import 'package:flutter_devicelab/framework/framework.dart' show task;
-import 'package:flutter_devicelab/tasks/platform_channels_benchmarks.dart'
-    as platform_channels_benchmarks;
+import 'package:flutter_devicelab/tasks/platform_channels_benchmarks.dart' as platform_channels_benchmarks;
 
 Future<void> main() async {
   await task(platform_channels_benchmarks.runTask(DeviceOperatingSystem.ios));

dev/integration_tests/android_semantics_testing/lib/src/common.dart

@@ -19,7 +19,7 @@ import 'constants.dart';
 /// See also:
 ///
 ///   * [AccessibilityNodeInfo](https://developer.android.com/reference/android/view/accessibility/AccessibilityNodeInfo)
-class AndroidSemanticsNode  {
+class AndroidSemanticsNode {
   AndroidSemanticsNode._(this._values);
 
   /// Deserializes a new [AndroidSemanticsNode] from a json map.

dev/manual_tests/test/mock_image_http.dart

@@ -60,4 +60,4 @@ class FakeHttpClientResponse extends Fake implements HttpClientResponse {
   }
 }
 
-class FakeHttpHeaders extends Fake implements HttpHeaders {}
+class FakeHttpHeaders extends Fake implements HttpHeaders { }

packages/flutter/lib/src/cupertino/sliding_segmented_control.dart

@@ -198,7 +198,7 @@ class _SegmentSeparator extends StatefulWidget {
   _SegmentSeparatorState createState() => _SegmentSeparatorState();
 }
 
-class _SegmentSeparatorState extends State<_SegmentSeparator> with TickerProviderStateMixin<_SegmentSeparator>  {
+class _SegmentSeparatorState extends State<_SegmentSeparator> with TickerProviderStateMixin<_SegmentSeparator> {
   late final AnimationController separatorOpacityController;
 
   @override
@@ -735,7 +735,7 @@ class _SegmentedControlRenderWidget<T> extends MultiChildRenderObjectWidget {
   }
 }
 
-class _SegmentedControlContainerBoxParentData extends ContainerBoxParentData<RenderBox> {}
+class _SegmentedControlContainerBoxParentData extends ContainerBoxParentData<RenderBox> { }
 
 // The behavior of a UISegmentedControl as observed on iOS 13.1:
 //

packages/flutter/lib/src/gestures/events.dart

@@ -651,7 +651,7 @@ mixin _PointerEventDescription on PointerEvent {
   }
 }
 
-abstract class _AbstractPointerEvent implements PointerEvent {}
+abstract class _AbstractPointerEvent implements PointerEvent { }
 
 // The base class for transformed pointer event classes.
 //

packages/flutter/lib/src/gestures/scale.dart

@@ -220,7 +220,7 @@ bool _isFlingGesture(Velocity velocity) {
 ///
 /// [_LineBetweenPointers] is an abstraction of a line between two pointers in
 /// contact with the screen. Used to track the rotation of a scale gesture.
-class _LineBetweenPointers{
+class _LineBetweenPointers {
 
   /// Creates a [_LineBetweenPointers]. None of the [pointerStartLocation], [pointerStartId]
   /// [pointerEndLocation] and [pointerEndId] must be null. [pointerStartId] and [pointerEndId]

packages/flutter/lib/src/material/outline_button.dart

@@ -496,7 +496,7 @@ class _OutlineButtonState extends State<_OutlineButton> with SingleTickerProvide
 
 // Render the button's outline border using using the OutlineButton's
 // border parameters and the button or buttonTheme's shape.
-class _OutlineBorder extends ShapeBorder implements MaterialStateProperty<ShapeBorder>{
+class _OutlineBorder extends ShapeBorder implements MaterialStateProperty<ShapeBorder> {
   const _OutlineBorder({
     required this.shape,
     required this.side,

packages/flutter/lib/src/material/tabs.dart

@@ -58,7 +58,7 @@ enum TabBarIndicatorSize {
 ///  * [TabBarView], which displays a widget for the currently selected tab.
 ///  * [TabController], which coordinates tab selection between a [TabBar] and a [TabBarView].
 ///  * <https://material.io/design/components/tabs.html>
-class Tab extends StatelessWidget implements PreferredSizeWidget{
+class Tab extends StatelessWidget implements PreferredSizeWidget {
   /// Creates a material design [TabBar] tab.
   ///
   /// At least one of [text], [icon], and [child] must be non-null. The [text]

packages/flutter/lib/src/material/toggleable.dart

@@ -338,7 +338,7 @@ mixin ToggleableStateMixin<S extends StatefulWidget> on TickerProviderStateMixin
 /// Subclasses must implement the [paint] method to draw the actual visuals of
 /// the Toggleable. In their [paint] method subclasses may call
 /// [paintRadialReaction] to draw a radial ink reaction for this control.
-abstract class ToggleablePainter extends ChangeNotifier implements CustomPainter  {
+abstract class ToggleablePainter extends ChangeNotifier implements CustomPainter {
   /// The visual value of the control.
   ///
   /// Usually set to [ToggleableStateMixin.position].

packages/flutter/lib/src/painting/image_provider.dart

@@ -1133,7 +1133,7 @@ class ExactAssetImage extends AssetBundleImageProvider {
 }
 
 // A completer used when resolving an image fails sync.
-class _ErrorImageCompleter extends ImageStreamCompleter {}
+class _ErrorImageCompleter extends ImageStreamCompleter { }
 
 /// The exception thrown when the HTTP request to load a network image fails.
 class NetworkImageLoadException implements Exception {

packages/flutter/lib/src/rendering/proxy_sliver.dart

@@ -378,7 +378,7 @@ class RenderSliverOffstage extends RenderProxySliver {
 ///
 /// This is a variant of [RenderSliverOpacity] that uses an [Animation<double>]
 /// rather than a [double] to control the opacity.
-class RenderSliverAnimatedOpacity extends RenderProxySliver with RenderAnimatedOpacityMixin<RenderSliver>{
+class RenderSliverAnimatedOpacity extends RenderProxySliver with RenderAnimatedOpacityMixin<RenderSliver> {
   /// Creates a partially transparent render object.
   ///
   /// The [opacity] argument must not be null.

packages/flutter/lib/src/widgets/actions.dart

@@ -1604,16 +1604,16 @@ class ButtonActivateIntent extends Intent {
 /// activate a control. By default, is bound to [LogicalKeyboardKey.enter],
 /// [LogicalKeyboardKey.gameButtonA], and [LogicalKeyboardKey.space] in the
 /// default keyboard map in [WidgetsApp].
-abstract class ActivateAction extends Action<ActivateIntent> {}
+abstract class ActivateAction extends Action<ActivateIntent> { }
 
 /// An intent that selects the currently focused control.
-class SelectIntent extends Intent {}
+class SelectIntent extends Intent { }
 
 /// An action that selects the currently focused control.
 ///
 /// This is an abstract class that serves as a base class for actions that
 /// select something. It is not bound to any key by default.
-abstract class SelectAction extends Action<SelectIntent> {}
+abstract class SelectAction extends Action<SelectIntent> { }
 
 /// An [Intent] that dismisses the currently focused widget.
 ///
@@ -1631,7 +1631,7 @@ class DismissIntent extends Intent {
 /// An action that dismisses the focused widget.
 ///
 /// This is an abstract class that serves as a base class for dismiss actions.
-abstract class DismissAction extends Action<DismissIntent> {}
+abstract class DismissAction extends Action<DismissIntent> { }
 
 /// An [Intent] that evaluates a series of specified [orderedIntents] for
 /// execution.

packages/flutter/lib/src/widgets/default_text_editing_actions.dart

@@ -20,7 +20,7 @@ import 'text_editing_intents.dart';
 ///   * [DefaultTextEditingShortcuts], which maps keyboard keys to many of the
 ///     [Intent]s that are handled here.
 ///   * [WidgetsApp], which creates a DefaultTextEditingShortcuts.
-class DefaultTextEditingActions extends Actions{
+class DefaultTextEditingActions extends Actions {
   /// Creates an instance of DefaultTextEditingActions.
   DefaultTextEditingActions({
     Key? key,

packages/flutter/lib/src/widgets/sliver.dart

@@ -209,7 +209,7 @@ abstract class SliverChildDelegate {
   }
 }
 
-class _SaltedValueKey extends ValueKey<Key>{
+class _SaltedValueKey extends ValueKey<Key> {
   const _SaltedValueKey(Key key): assert(key != null), super(key);
 }
 

packages/flutter/lib/src/widgets/text_editing_intents.dart

@@ -7,7 +7,7 @@ import 'actions.dart';
 /// An [Intent] to delete a character in the backwards direction.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class DeleteTextIntent extends Intent{
+class DeleteTextIntent extends Intent {
   /// Creates an instance of DeleteTextIntent.
   const DeleteTextIntent();
 }
@@ -15,7 +15,7 @@ class DeleteTextIntent extends Intent{
 /// An [Intent] to delete a word in the backwards direction.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class DeleteByWordTextIntent extends Intent{
+class DeleteByWordTextIntent extends Intent {
   /// Creates an instance of DeleteByWordTextIntent.
   const DeleteByWordTextIntent();
 }
@@ -23,7 +23,7 @@ class DeleteByWordTextIntent extends Intent{
 /// An [Intent] to delete a line in the backwards direction.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class DeleteByLineTextIntent extends Intent{
+class DeleteByLineTextIntent extends Intent {
   /// Creates an instance of DeleteByLineTextIntent.
   const DeleteByLineTextIntent();
 }
@@ -31,7 +31,7 @@ class DeleteByLineTextIntent extends Intent{
 /// An [Intent] to delete in the forward direction.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class DeleteForwardTextIntent extends Intent{
+class DeleteForwardTextIntent extends Intent {
   /// Creates an instance of DeleteForwardTextIntent.
   const DeleteForwardTextIntent();
 }
@@ -39,7 +39,7 @@ class DeleteForwardTextIntent extends Intent{
 /// An [Intent] to delete a word in the forward direction.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class DeleteForwardByWordTextIntent extends Intent{
+class DeleteForwardByWordTextIntent extends Intent {
   /// Creates an instance of DeleteByWordTextIntent.
   const DeleteForwardByWordTextIntent();
 }
@@ -47,7 +47,7 @@ class DeleteForwardByWordTextIntent extends Intent{
 /// An [Intent] to delete a line in the forward direction.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class DeleteForwardByLineTextIntent extends Intent{
+class DeleteForwardByLineTextIntent extends Intent {
   /// Creates an instance of DeleteByLineTextIntent.
   const DeleteForwardByLineTextIntent();
 }
@@ -61,7 +61,7 @@ class DeleteForwardByLineTextIntent extends Intent{
 ///   * [DefaultTextEditingActions], which responds to this [Intent].
 ///   * [DefaultTextEditingShortcuts], which triggers this [Intent].
 /// {@endtemplate}
-class DoNothingAndStopPropagationTextIntent extends Intent{
+class DoNothingAndStopPropagationTextIntent extends Intent {
   /// Creates an instance of DoNothingAndStopPropagationTextIntent.
   const DoNothingAndStopPropagationTextIntent();
 }
@@ -79,7 +79,7 @@ class ExpandSelectionLeftByLineTextIntent extends Intent {
 /// field.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class ExpandSelectionRightByLineTextIntent extends Intent{
+class ExpandSelectionRightByLineTextIntent extends Intent {
   /// Creates an instance of ExpandSelectionRightByLineTextIntent.
   const ExpandSelectionRightByLineTextIntent();
 }
@@ -87,7 +87,7 @@ class ExpandSelectionRightByLineTextIntent extends Intent{
 /// An [Intent] to expand the selection to the end of the field.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class ExpandSelectionToEndTextIntent extends Intent{
+class ExpandSelectionToEndTextIntent extends Intent {
   /// Creates an instance of ExpandSelectionToEndTextIntent.
   const ExpandSelectionToEndTextIntent();
 }
@@ -95,7 +95,7 @@ class ExpandSelectionToEndTextIntent extends Intent{
 /// An [Intent] to expand the selection to the start of the field.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class ExpandSelectionToStartTextIntent extends Intent{
+class ExpandSelectionToStartTextIntent extends Intent {
   /// Creates an instance of ExpandSelectionToStartTextIntent.
   const ExpandSelectionToStartTextIntent();
 }
@@ -103,7 +103,7 @@ class ExpandSelectionToStartTextIntent extends Intent{
 /// An [Intent] to extend the selection down by one line.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class ExtendSelectionDownTextIntent extends Intent{
+class ExtendSelectionDownTextIntent extends Intent {
   /// Creates an instance of ExtendSelectionDownTextIntent.
   const ExtendSelectionDownTextIntent();
 }
@@ -112,7 +112,7 @@ class ExtendSelectionDownTextIntent extends Intent{
 /// line.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class ExtendSelectionLeftByLineTextIntent extends Intent{
+class ExtendSelectionLeftByLineTextIntent extends Intent {
   /// Creates an instance of ExtendSelectionLeftByLineTextIntent.
   const ExtendSelectionLeftByLineTextIntent();
 }
@@ -122,7 +122,7 @@ class ExtendSelectionLeftByLineTextIntent extends Intent{
 /// [TextSelection.baseOffset] would reverse.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class ExtendSelectionLeftByWordAndStopAtReversalTextIntent extends Intent{
+class ExtendSelectionLeftByWordAndStopAtReversalTextIntent extends Intent {
   /// Creates an instance of ExtendSelectionLeftByWordAndStopAtReversalTextIntent.
   const ExtendSelectionLeftByWordAndStopAtReversalTextIntent();
 }
@@ -130,7 +130,7 @@ class ExtendSelectionLeftByWordAndStopAtReversalTextIntent extends Intent{
 /// An [Intent] to extend the selection left past the nearest word.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class ExtendSelectionLeftByWordTextIntent extends Intent{
+class ExtendSelectionLeftByWordTextIntent extends Intent {
   /// Creates an instance of ExtendSelectionLeftByWordTextIntent.
   const ExtendSelectionLeftByWordTextIntent();
 }
@@ -139,7 +139,7 @@ class ExtendSelectionLeftByWordTextIntent extends Intent{
 /// platform for the shift + arrow-left key event.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class ExtendSelectionLeftTextIntent extends Intent{
+class ExtendSelectionLeftTextIntent extends Intent {
   /// Creates an instance of ExtendSelectionLeftTextIntent.
   const ExtendSelectionLeftTextIntent();
 }
@@ -148,7 +148,7 @@ class ExtendSelectionLeftTextIntent extends Intent{
 /// line.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class ExtendSelectionRightByLineTextIntent extends Intent{
+class ExtendSelectionRightByLineTextIntent extends Intent {
   /// Creates an instance of ExtendSelectionRightByLineTextIntent.
   const ExtendSelectionRightByLineTextIntent();
 }
@@ -158,7 +158,7 @@ class ExtendSelectionRightByLineTextIntent extends Intent{
 /// [TextSelection.baseOffset] would reverse.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class ExtendSelectionRightByWordAndStopAtReversalTextIntent extends Intent{
+class ExtendSelectionRightByWordAndStopAtReversalTextIntent extends Intent {
   /// Creates an instance of ExtendSelectionRightByWordAndStopAtReversalTextIntent.
   const ExtendSelectionRightByWordAndStopAtReversalTextIntent();
 }
@@ -166,7 +166,7 @@ class ExtendSelectionRightByWordAndStopAtReversalTextIntent extends Intent{
 /// An [Intent] to extend the selection right past the nearest word.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class ExtendSelectionRightByWordTextIntent extends Intent{
+class ExtendSelectionRightByWordTextIntent extends Intent {
   /// Creates an instance of ExtendSelectionRightByWordTextIntent.
   const ExtendSelectionRightByWordTextIntent();
 }
@@ -174,7 +174,7 @@ class ExtendSelectionRightByWordTextIntent extends Intent{
 /// An [Intent] to extend the selection right by one character.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class ExtendSelectionRightTextIntent extends Intent{
+class ExtendSelectionRightTextIntent extends Intent {
   /// Creates an instance of ExtendSelectionRightTextIntent.
   const ExtendSelectionRightTextIntent();
 }
@@ -182,7 +182,7 @@ class ExtendSelectionRightTextIntent extends Intent{
 /// An [Intent] to extend the selection up by one line.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class ExtendSelectionUpTextIntent extends Intent{
+class ExtendSelectionUpTextIntent extends Intent {
   /// Creates an instance of ExtendSelectionUpTextIntent.
   const ExtendSelectionUpTextIntent();
 }
@@ -190,7 +190,7 @@ class ExtendSelectionUpTextIntent extends Intent{
 /// An [Intent] to move the selection down by one line.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class MoveSelectionDownTextIntent extends Intent{
+class MoveSelectionDownTextIntent extends Intent {
   /// Creates an instance of MoveSelectionDownTextIntent.
   const MoveSelectionDownTextIntent();
 }
@@ -198,7 +198,7 @@ class MoveSelectionDownTextIntent extends Intent{
 /// An [Intent] to move the selection left by one line.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class MoveSelectionLeftByLineTextIntent extends Intent{
+class MoveSelectionLeftByLineTextIntent extends Intent {
   /// Creates an instance of MoveSelectionLeftByLineTextIntent.
   const MoveSelectionLeftByLineTextIntent();
 }
@@ -206,7 +206,7 @@ class MoveSelectionLeftByLineTextIntent extends Intent{
 /// An [Intent] to move the selection left past the nearest word.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class MoveSelectionLeftByWordTextIntent extends Intent{
+class MoveSelectionLeftByWordTextIntent extends Intent {
   /// Creates an instance of MoveSelectionLeftByWordTextIntent.
   const MoveSelectionLeftByWordTextIntent();
 }
@@ -214,7 +214,7 @@ class MoveSelectionLeftByWordTextIntent extends Intent{
 /// An [Intent] to move the selection left by one character.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class MoveSelectionLeftTextIntent extends Intent{
+class MoveSelectionLeftTextIntent extends Intent {
   /// Creates an instance of MoveSelectionLeftTextIntent.
   const MoveSelectionLeftTextIntent();
 }
@@ -222,7 +222,7 @@ class MoveSelectionLeftTextIntent extends Intent{
 /// An [Intent] to move the selection to the start of the field.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class MoveSelectionToStartTextIntent extends Intent{
+class MoveSelectionToStartTextIntent extends Intent {
   /// Creates an instance of MoveSelectionToStartTextIntent.
   const MoveSelectionToStartTextIntent();
 }
@@ -230,7 +230,7 @@ class MoveSelectionToStartTextIntent extends Intent{
 /// An [Intent] to move the selection right by one line.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class MoveSelectionRightByLineTextIntent extends Intent{
+class MoveSelectionRightByLineTextIntent extends Intent {
   /// Creates an instance of MoveSelectionRightByLineTextIntent.
   const MoveSelectionRightByLineTextIntent();
 }
@@ -238,7 +238,7 @@ class MoveSelectionRightByLineTextIntent extends Intent{
 /// An [Intent] to move the selection right past the nearest word.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class MoveSelectionRightByWordTextIntent extends Intent{
+class MoveSelectionRightByWordTextIntent extends Intent {
   /// Creates an instance of MoveSelectionRightByWordTextIntent.
   const MoveSelectionRightByWordTextIntent();
 }
@@ -246,7 +246,7 @@ class MoveSelectionRightByWordTextIntent extends Intent{
 /// An [Intent] to move the selection right by one character.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class MoveSelectionRightTextIntent extends Intent{
+class MoveSelectionRightTextIntent extends Intent {
   /// Creates an instance of MoveSelectionRightTextIntent.
   const MoveSelectionRightTextIntent();
 }
@@ -254,7 +254,7 @@ class MoveSelectionRightTextIntent extends Intent{
 /// An [Intent] to move the selection to the end of the field.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class MoveSelectionToEndTextIntent extends Intent{
+class MoveSelectionToEndTextIntent extends Intent {
   /// Creates an instance of MoveSelectionToEndTextIntent.
   const MoveSelectionToEndTextIntent();
 }
@@ -262,7 +262,7 @@ class MoveSelectionToEndTextIntent extends Intent{
 /// An [Intent] to move the selection up by one character.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class MoveSelectionUpTextIntent extends Intent{
+class MoveSelectionUpTextIntent extends Intent {
   /// Creates an instance of MoveSelectionUpTextIntent.
   const MoveSelectionUpTextIntent();
 }
@@ -270,7 +270,7 @@ class MoveSelectionUpTextIntent extends Intent{
 /// An [Intent] to select everything in the field.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class SelectAllTextIntent extends Intent{
+class SelectAllTextIntent extends Intent {
   /// Creates an instance of SelectAllTextIntent.
   const SelectAllTextIntent();
 }
@@ -278,7 +278,7 @@ class SelectAllTextIntent extends Intent{
 /// An [Intent] to copy selection in the field.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class CopySelectionTextIntent extends Intent{
+class CopySelectionTextIntent extends Intent {
   /// Creates an instance of CopyTextIntent.
   const CopySelectionTextIntent();
 }
@@ -286,7 +286,7 @@ class CopySelectionTextIntent extends Intent{
 /// An [Intent] to cut selection in the field.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class CutSelectionTextIntent extends Intent{
+class CutSelectionTextIntent extends Intent {
   /// Creates an instance of CutTextIntent.
   const CutSelectionTextIntent();
 }
@@ -294,7 +294,7 @@ class CutSelectionTextIntent extends Intent{
 /// An [Intent] to paste text from [Clipboard] to the field.
 ///
 /// {@macro flutter.widgets.TextEditingIntents.seeAlso}
-class PasteTextIntent extends Intent{
+class PasteTextIntent extends Intent {
   /// Creates an instance of PasteTextIntent.
   const PasteTextIntent();
 }

packages/flutter/test/cupertino/dialog_test.dart

@@ -1371,7 +1371,7 @@ Widget createAppWithCenteredButton(Widget child) {
 }
 
 
-class _RestorableDialogTestWidget extends StatelessWidget{
+class _RestorableDialogTestWidget extends StatelessWidget {
   static Route<Object?> _dialogBuilder(BuildContext context, Object? arguments) {
     return CupertinoDialogRoute<void>(
       context: context,

packages/flutter/test/cupertino/route_test.dart

@@ -1901,7 +1901,7 @@ class _TestPostRouteCancelState extends State<_TestPostRouteCancel> {
   }
 }
 
-class _RestorableModalTestWidget extends StatelessWidget{
+class _RestorableModalTestWidget extends StatelessWidget {
   static Route<void> _modalBuilder(BuildContext context, Object? arguments) {
     return CupertinoModalPopupRoute<void>(
       builder: (BuildContext context) {

packages/flutter/test/foundation/covariant_templates_test.dart

@@ -4,9 +4,9 @@
 
 import 'package:flutter_test/flutter_test.dart';
 
-class X {}
+class X { }
 
-class Y extends X {}
+class Y extends X { }
 
 class A<U extends X> {
   U? u;

packages/flutter/test/material/tabs_test.dart

@@ -3868,7 +3868,7 @@ class TabBarDemo extends StatelessWidget {
   }
 }
 
-class MockScrollMetrics extends Fake implements ScrollMetrics {}
+class MockScrollMetrics extends Fake implements ScrollMetrics { }
 
 class TabBody extends StatefulWidget {
   const TabBody({ Key? key, required this.index, required this.log }) : super(key: key);

packages/flutter/test/painting/image_cache_binding_test.dart

@@ -77,4 +77,4 @@ class TestBindingBase implements BindingBase {
   ui.PlatformDispatcher get platformDispatcher => TestWindow(window: ui.window).platformDispatcher;
 }
 
-class TestPaintingBinding extends TestBindingBase with SchedulerBinding, ServicesBinding, PaintingBinding {}
+class TestPaintingBinding extends TestBindingBase with SchedulerBinding, ServicesBinding, PaintingBinding { }

packages/flutter/test/rendering/editable_gesture_test.dart

@@ -55,7 +55,7 @@ class _GestureBindingSpy extends AutomatedTestWidgetsFlutterBinding {
   PointerRouter get pointerRouter => _testPointerRouter;
 }
 
-class FakeEditableTextState extends Fake implements TextSelectionDelegate  { }
+class FakeEditableTextState extends Fake implements TextSelectionDelegate { }
 
 class _PointerRouterSpy extends PointerRouter {
   int routeCount = 0;

packages/flutter/test/rendering/mouse_tracker_test_utils.dart

@@ -70,7 +70,7 @@ class TestMouseTrackerFlutterBinding extends BindingBase
 }
 
 // An object that mocks the behavior of a render object with [MouseTrackerAnnotation].
-class TestAnnotationTarget with Diagnosticable implements MouseTrackerAnnotation, HitTestTarget  {
+class TestAnnotationTarget with Diagnosticable implements MouseTrackerAnnotation, HitTestTarget {
   const TestAnnotationTarget({this.onEnter, this.onHover, this.onExit, this.cursor = MouseCursor.defer, this.validForMouseTracker = true});
 
   @override

packages/flutter/test/widgets/navigator_restoration_test.dart

@@ -1332,4 +1332,4 @@ class _RouteFinder extends MatchFinder {
   }
 }
 
-class FakeRoute extends Fake implements Route<void> {}
+class FakeRoute extends Fake implements Route<void> { }

packages/flutter/test/widgets/navigator_test.dart

@@ -3598,7 +3598,7 @@ void main() {
 
 typedef AnnouncementCallBack = void Function(Route<dynamic>?);
 
-class NotAnnounced extends Route<void> {/* A place holder for not announced route*/}
+class NotAnnounced extends Route<void> { /* A place holder for not announced route*/ }
 
 class RouteAnnouncementSpy extends Route<void> {
   RouteAnnouncementSpy({

packages/flutter/test/widgets/range_maintaining_scroll_physics_test.dart

@@ -16,7 +16,7 @@ class ExpandingBox extends StatefulWidget {
   State<ExpandingBox> createState() => _ExpandingBoxState();
 }
 
-class _ExpandingBoxState extends State<ExpandingBox> with AutomaticKeepAliveClientMixin<ExpandingBox>{
+class _ExpandingBoxState extends State<ExpandingBox> with AutomaticKeepAliveClientMixin<ExpandingBox> {
   late double _height;
 
   @override

packages/flutter/test/widgets/router_test.dart

@@ -1273,7 +1273,7 @@ class SimpleAsyncRouteInformationParser extends RouteInformationParser<RouteInfo
   }
 }
 
-class SimpleAsyncRouterDelegate extends RouterDelegate<RouteInformation> with ChangeNotifier{
+class SimpleAsyncRouterDelegate extends RouterDelegate<RouteInformation> with ChangeNotifier {
   SimpleAsyncRouterDelegate({
     required this.builder,
   });

packages/flutter/test/widgets/slivers_keepalive_test.dart

@@ -557,7 +557,7 @@ class WidgetTest0 extends StatefulWidget {
   State<WidgetTest0> createState() => _WidgetTest0State();
 }
 
-class _WidgetTest0State extends State<WidgetTest0> with AutomaticKeepAliveClientMixin{
+class _WidgetTest0State extends State<WidgetTest0> with AutomaticKeepAliveClientMixin {
   bool hasBeenDisposed = false;
 
   @override
@@ -590,7 +590,7 @@ class WidgetTest1 extends StatefulWidget {
   State<WidgetTest1> createState() => _WidgetTest1State();
 }
 
-class _WidgetTest1State extends State<WidgetTest1> with AutomaticKeepAliveClientMixin{
+class _WidgetTest1State extends State<WidgetTest1> with AutomaticKeepAliveClientMixin {
   bool hasBeenDisposed = false;
 
   @override
@@ -623,7 +623,7 @@ class WidgetTest2 extends StatefulWidget {
   State<WidgetTest2> createState() => _WidgetTest2State();
 }
 
-class _WidgetTest2State extends State<WidgetTest2> with AutomaticKeepAliveClientMixin{
+class _WidgetTest2State extends State<WidgetTest2> with AutomaticKeepAliveClientMixin {
   bool hasBeenDisposed = false;
 
   @override

packages/flutter_goldens_client/lib/skia_client.dart

@@ -428,4 +428,4 @@ class SkiaGoldClient {
 }
 
 /// Used to make HttpRequests during testing.
-class SkiaGoldHttpOverrides extends io.HttpOverrides {}
+class SkiaGoldHttpOverrides extends io.HttpOverrides { }

packages/flutter_localizations/test/basics_test.dart

@@ -84,7 +84,7 @@ class _DummyLocalizationsDelegate extends LocalizationsDelegate<DummyLocalizatio
   bool shouldReload(_DummyLocalizationsDelegate old) => true;
 }
 
-class DummyLocalizations {}
+class DummyLocalizations { }
 
 class LocalizationTracker extends StatefulWidget {
   const LocalizationTracker({Key? key}) : super(key: key);

packages/flutter_test/lib/src/test_compat.dart

@@ -8,7 +8,7 @@ import 'package:meta/meta.dart';
 import 'package:test_api/src/backend/declarer.dart'; // ignore: implementation_imports
 import 'package:test_api/src/backend/group.dart'; // ignore: implementation_imports
 import 'package:test_api/src/backend/group_entry.dart'; // ignore: implementation_imports
-import 'package:test_api/src/backend/invoker.dart';  // ignore: implementation_imports
+import 'package:test_api/src/backend/invoker.dart'; // ignore: implementation_imports
 import 'package:test_api/src/backend/live_test.dart'; // ignore: implementation_imports
 import 'package:test_api/src/backend/message.dart'; // ignore: implementation_imports
 import 'package:test_api/src/backend/runtime.dart'; // ignore: implementation_imports

packages/flutter_tools/lib/src/vmservice.dart

@@ -955,7 +955,7 @@ class FlutterVmService {
 }
 
 /// Thrown when the VM Service disappears while calls are being made to it.
-class VmServiceDisappearedException implements Exception {}
+class VmServiceDisappearedException implements Exception { }
 
 /// Whether the event attached to an [Isolate.pauseEvent] should be considered
 /// a "pause" event.

packages/flutter_tools/test/commands.shard/hermetic/install_test.dart

@@ -75,8 +75,8 @@ class FakeApplicationPackageFactory extends Fake implements ApplicationPackageFa
     return app;
   }
 }
-class FakeIOSApp extends Fake implements IOSApp {}
-class FakeAndroidApk extends Fake implements AndroidApk {}
+class FakeIOSApp extends Fake implements IOSApp { }
+class FakeAndroidApk extends Fake implements AndroidApk { }
 
 class FakeIOSDevice extends Fake implements IOSDevice {
   @override

packages/flutter_tools/test/general.shard/android/android_device_stop_test.dart

@@ -28,4 +28,4 @@ void main() {
   });
 }
 
-class FakeAndroidSdk extends Fake implements AndroidSdk {}
+class FakeAndroidSdk extends Fake implements AndroidSdk { }

packages/flutter_tools/test/general.shard/android/gradle_test.dart

@@ -1017,4 +1017,4 @@ class FakeGradleUtils extends GradleUtils {
   }
 }
 
-class FakeAndroidSdk extends Fake implements AndroidSdk {}
+class FakeAndroidSdk extends Fake implements AndroidSdk { }

packages/flutter_tools/test/general.shard/base/file_system_test.dart

@@ -183,4 +183,4 @@ class FakeProcessSignal extends Fake implements io.ProcessSignal {
   @override
   Stream<io.ProcessSignal> watch() => controller.stream;
 }
-class FakeFile extends Fake implements File {}
+class FakeFile extends Fake implements File { }

packages/flutter_tools/test/general.shard/cold_test.dart

@@ -231,7 +231,7 @@ class TestFlutterDevice extends FlutterDevice {
   }
 }
 
-class FakeResidentCompiler extends Fake implements ResidentCompiler {}
+class FakeResidentCompiler extends Fake implements ResidentCompiler { }
 
 class FakeFlutterVmService extends Fake implements FlutterVmService {
   @override

packages/flutter_tools/test/general.shard/desktop_device_test.dart

@@ -350,7 +350,7 @@ class FakeDesktopDevice extends DesktopDevice {
   }
 }
 
-class FakeApplicationPackage extends Fake implements ApplicationPackage {}
+class FakeApplicationPackage extends Fake implements ApplicationPackage { }
 class FakeOperatingSystemUtils extends Fake implements OperatingSystemUtils {
   @override
   String get name => 'Example';

packages/flutter_tools/test/general.shard/device_test.dart

@@ -552,7 +552,7 @@ class MockDeviceDiscovery extends Fake implements DeviceDiscovery {
   List<String> get wellKnownIds => <String>[];
 }
 
-class FakeFlutterProject extends Fake implements FlutterProject {}
+class FakeFlutterProject extends Fake implements FlutterProject { }
 
 class LongPollingDeviceDiscovery extends PollingDeviceDiscovery {
   LongPollingDeviceDiscovery() : super('forever');

packages/flutter_tools/test/general.shard/drive/drive_service_test.dart

@@ -528,7 +528,7 @@ class FakeApplicationPackageFactory extends Fake implements ApplicationPackageFa
   }) async => applicationPackage;
 }
 
-class FakeApplicationPackage extends Fake implements ApplicationPackage {}
+class FakeApplicationPackage extends Fake implements ApplicationPackage { }
 
 class FakeDevice extends Fake implements Device {
   FakeDevice(this.result, {this.supportsFlutterExit = true});

packages/flutter_tools/test/general.shard/flutter_platform_test.dart

@@ -122,7 +122,7 @@ void main() {
   });
 }
 
-class FakeSuitePlatform extends Fake implements SuitePlatform {}
+class FakeSuitePlatform extends Fake implements SuitePlatform { }
 
 // A FlutterPlatform with enough fields set to load and start a test.
 class TestFlutterPlatform extends FlutterPlatform {

packages/flutter_tools/test/general.shard/ios/devices_test.dart

@@ -579,7 +579,7 @@ class FakeIOSApp extends Fake implements IOSApp {
   final String name;
 }
 
-class FakeIOSWorkflow extends Fake implements IOSWorkflow {}
+class FakeIOSWorkflow extends Fake implements IOSWorkflow { }
 
 class FakeXcdevice extends Fake implements XCDevice {
   int getAvailableIOSDevicesCount = 0;

packages/flutter_tools/test/general.shard/preview_device_test.dart

@@ -85,8 +85,8 @@ void main() {
   });
 }
 
-class FakeFlutterProject extends Fake implements FlutterProject {}
-class FakeApplicationPackage extends Fake implements ApplicationPackage {}
+class FakeFlutterProject extends Fake implements FlutterProject { }
+class FakeApplicationPackage extends Fake implements ApplicationPackage { }
 class FakeBundleBuilder extends Fake implements BundleBuilder {
   FakeBundleBuilder(this.fileSystem);
 

packages/flutter_tools/test/general.shard/resident_devtools_handler_test.dart

@@ -473,4 +473,4 @@ class FakeFlutterDevice extends Fake implements FlutterDevice {
   TargetPlatform targetPlatform = TargetPlatform.android_arm;
 }
 
-class FakeDevice extends Fake implements Device {}
+class FakeDevice extends Fake implements Device { }

packages/flutter_tools/test/general.shard/resident_web_runner_test.dart

@@ -1028,7 +1028,7 @@ ResidentRunner setUpResidentRunner(FlutterDevice flutterDevice, {
   );
 }
 
-class FakeWebServerDevice extends FakeDevice implements WebServerDevice {}
+class FakeWebServerDevice extends FakeDevice implements WebServerDevice { }
 
 class FakeDevice extends Fake implements Device {
   @override
@@ -1099,9 +1099,9 @@ class FakeAppConnection extends Fake implements AppConnection {
   }
 }
 
-class FakeChromeDevice extends Fake implements ChromiumDevice {}
+class FakeChromeDevice extends Fake implements ChromiumDevice { }
 
-class FakeWipDebugger extends Fake implements WipDebugger {}
+class FakeWipDebugger extends Fake implements WipDebugger { }
 
 class FakeResidentCompiler extends Fake implements ResidentCompiler {
   @override

packages/flutter_tools/test/general.shard/terminal_handler_test.dart

@@ -1455,7 +1455,7 @@ TerminalHandler setUpTerminalHandler(List<FakeVmServiceRequest> requests, {
   );
 }
 
-class FakeResidentCompiler extends Fake implements ResidentCompiler {}
+class FakeResidentCompiler extends Fake implements ResidentCompiler { }
 
 class TestRunner extends Fake implements ResidentRunner {
   bool hasHelpBeenPrinted = false;

packages/flutter_tools/test/general.shard/test/event_printer_test.dart

@@ -54,4 +54,4 @@ void main() {
   });
 }
 
-class FakeDevice extends Fake implements TestDevice {}
+class FakeDevice extends Fake implements TestDevice { }

packages/flutter_tools/test/general.shard/testbed_test.dart

@@ -101,6 +101,6 @@ void main() {
   });
 }
 
-class A {}
+class A { }
 
-class B extends A {}
+class B extends A { }

packages/flutter_tools/test/general.shard/vmservice_test.dart

@@ -835,7 +835,7 @@ class MockVMService extends Fake implements vm_service.VmService {
   }
 }
 
-class FakeDevice extends Fake implements Device {}
+class FakeDevice extends Fake implements Device { }
 
 class FakeFlutterVersion extends Fake implements FlutterVersion {
   @override

packages/integration_test/example/integration_test/example_test.dart

@@ -11,8 +11,7 @@
 
 import 'package:integration_test/integration_test.dart';
 
-import '_example_test_io.dart' if (dart.library.html) '_example_test_web.dart'
-    as tests;
+import '_example_test_io.dart' if (dart.library.html) '_example_test_web.dart' as tests;
 
 void main() {
   IntegrationTestWidgetsFlutterBinding.ensureInitialized();

packages/integration_test/example/integration_test/extended_test.dart

@@ -14,8 +14,7 @@
 
 import 'package:integration_test/integration_test.dart';
 
-import '_extended_test_io.dart' if (dart.library.html) '_extended_test_web.dart'
-    as tests;
+import '_extended_test_io.dart' if (dart.library.html) '_extended_test_web.dart' as tests;
 
 void main() {
   IntegrationTestWidgetsFlutterBinding.ensureInitialized();