Use new Dart wildcard variables

packages/devtools_app/lib/src/app.dart

@@ -239,7 +239,7 @@ class DevToolsAppState extends State<DevToolsApp> with AutoDisposeMixin {
     BuildContext _,
     String? page,
     DevToolsQueryParams queryParams,
-    DevToolsNavigationState? __,
+    DevToolsNavigationState? _,
   ) {
     final vmServiceUri = queryParams.vmServiceUri;
     final embedMode = queryParams.embedMode;
@@ -262,7 +262,7 @@ class DevToolsAppState extends State<DevToolsApp> with AutoDisposeMixin {
           preferences.vmDeveloperModeEnabled,
           extensionService.currentExtensions,
         ],
-        builder: (_, __, child) {
+        builder: (_, _, child) {
           final screensInScaffold = _visibleScreens()
               .where(
                 (s) => maybeIncludeOnlyEmbeddedScreen(
@@ -359,7 +359,7 @@ class DevToolsAppState extends State<DevToolsApp> with AutoDisposeMixin {
     return _routes ??= {
       homeScreenId: _buildTabbedPage,
       for (final screen in _screens) screen.screenId: _buildTabbedPage,
-      snapshotScreenId: (_, __, params, ___) {
+      snapshotScreenId: (_, _, params, _) {
         return DevToolsScaffold.withChild(
           key: UniqueKey(),
           embedMode: params.embedMode,
@@ -386,7 +386,7 @@ class DevToolsAppState extends State<DevToolsApp> with AutoDisposeMixin {
     //  the server which page they are rendering.
     return {
       for (final type in StandaloneScreenType.values)
-        type.name: (_, __, args, ___) => type.screen,
+        type.name: (_, _, args, _) => type.screen,
     };
   }
 

packages/devtools_app/lib/src/screens/deep_link_validation/deep_link_list_view.dart

@@ -154,7 +154,7 @@ class _ValidatedDeepLinksView extends StatelessWidget {
               Expanded(
                 child: ValueListenableBuilder<LinkData?>(
                   valueListenable: controller.selectedLink,
-                  builder: (context, _, __) => TabBarView(
+                  builder: (context, _, _) => TabBarView(
                     children: [
                       ValidationDetailView(
                         controller: controller,
@@ -313,7 +313,7 @@ class _ConfigurationDropdown extends StatelessWidget {
   Widget build(BuildContext context) {
     return ValueListenableBuilder(
       valueListenable: valueListenable,
-      builder: (_, index, __) {
+      builder: (_, index, _) {
         return Row(
           children: [
             Text(title),

packages/devtools_app/lib/src/screens/deep_link_validation/deep_links_screen.dart

@@ -56,7 +56,7 @@ class _DeepLinkPageState extends State<DeepLinkPage>
   Widget build(BuildContext context) {
     return ValueListenableBuilder(
       valueListenable: controller.selectedProject,
-      builder: (_, FlutterProject? project, __) {
+      builder: (_, FlutterProject? project, _) {
         return project == null
             ? const SelectProjectView()
             : const DeepLinkListView();

packages/devtools_app/lib/src/screens/deep_link_validation/validation_details_view.dart

@@ -488,7 +488,7 @@ class _GenerateAssetLinksPanel extends StatelessWidget {
       builder: (
         _,
         GenerateAssetLinksResult? generatedAssetLinks,
-        __,
+        _,
       ) {
         return (generatedAssetLinks != null &&
                 generatedAssetLinks.errorCode.isNotEmpty)

packages/devtools_app/lib/src/screens/inspector/inspector_screen_body.dart

@@ -184,8 +184,7 @@ class InspectorScreenBodyState extends State<InspectorScreenBody>
                 child: ValueListenableBuilder(
                   valueListenable: serviceConnection.errorBadgeManager
                       .erroredItemsForPage(InspectorScreen.id),
-                  builder:
-                      (_, LinkedHashMap<String, DevToolsError> errors, __) {
+                  builder: (_, LinkedHashMap<String, DevToolsError> errors, _) {
                     final inspectableErrors = errors.map(
                       (key, value) =>
                           MapEntry(key, value as InspectableWidgetError),
@@ -203,7 +202,7 @@ class InspectorScreenBodyState extends State<InspectorScreenBody>
                         if (errors.isNotEmpty)
                           ValueListenableBuilder<int?>(
                             valueListenable: controller.selectedErrorIndex,
-                            builder: (_, selectedErrorIndex, __) => Positioned(
+                            builder: (_, selectedErrorIndex, _) => Positioned(
                               top: 0,
                               right: 0,
                               child: ErrorNavigator(

packages/devtools_app/lib/src/screens/inspector_shared/inspector_controls.dart

@@ -39,7 +39,7 @@ class InspectorControls extends StatelessWidget {
               .hasServiceExtension(
             extensions.toggleSelectWidgetMode.extension,
           ),
-          builder: (_, selectModeSupported, __) {
+          builder: (_, selectModeSupported, _) {
             return ServiceExtensionButtonGroup(
               fillColor: activeButtonColor,
               extensions: [

packages/devtools_app/lib/src/screens/inspector_shared/inspector_settings_dialog.dart

@@ -156,7 +156,7 @@ class PubRootDirectorySection extends StatelessWidget {
     return ValueListenableBuilder<IsolateRef?>(
       valueListenable:
           serviceConnection.serviceManager.isolateManager.mainIsolate,
-      builder: (_, __, ___) {
+      builder: (_, _, _) {
         return SizedBox(
           height: 200.0,
           child: EditableList(

packages/devtools_app/lib/src/screens/inspector_v2/inspector_screen_body.dart

@@ -162,8 +162,7 @@ class InspectorScreenBodyState extends State<InspectorScreenBody>
                 child: ValueListenableBuilder(
                   valueListenable: serviceConnection.errorBadgeManager
                       .erroredItemsForPage(InspectorScreen.id),
-                  builder:
-                      (_, LinkedHashMap<String, DevToolsError> errors, __) {
+                  builder: (_, LinkedHashMap<String, DevToolsError> errors, _) {
                     final inspectableErrors = errors.map(
                       (key, value) =>
                           MapEntry(key, value as InspectableWidgetError),
@@ -180,7 +179,7 @@ class InspectorScreenBodyState extends State<InspectorScreenBody>
                         if (errors.isNotEmpty)
                           ValueListenableBuilder<int?>(
                             valueListenable: controller.selectedErrorIndex,
-                            builder: (_, selectedErrorIndex, __) => Positioned(
+                            builder: (_, selectedErrorIndex, _) => Positioned(
                               top: 0,
                               right: 0,
                               child: ErrorNavigator(

packages/devtools_app/lib/src/screens/inspector_v2/widget_details.dart

@@ -35,7 +35,7 @@ class _WidgetDetailsState extends State<WidgetDetails> with AutoDisposeMixin {
   Widget build(BuildContext context) {
     return ValueListenableBuilder<InspectorTreeNode?>(
       valueListenable: controller.selectedNode,
-      builder: (context, _, __) {
+      builder: (context, _, _) {
         final node = selectedNode;
         if (node == null) {
           return const Center(

packages/devtools_app/lib/src/screens/logging/logging_screen_v2/logging_table_row.dart

@@ -142,7 +142,7 @@ class _LoggingTableRowState extends State<LoggingTableRow> {
       color: color,
       child: ValueListenableBuilder<bool>(
         valueListenable: widget.data.detailsComputed,
-        builder: (context, _, __) {
+        builder: (context, _, _) {
           return Padding(
             padding: const EdgeInsets.all(LoggingTableRow._padding),
             child: Column(

packages/devtools_app/lib/src/screens/memory/panes/chart/widgets/chart_control_pane.dart

@@ -110,7 +110,7 @@ class _LegendButton extends StatelessWidget {
   Widget build(BuildContext context) {
     return ValueListenableBuilder<bool>(
       valueListenable: chartController.data.isLegendVisible,
-      builder: (_, legendVisible, __) => GaDevToolsButton(
+      builder: (_, legendVisible, _) => GaDevToolsButton(
         onPressed: chartController.data.toggleLegendVisibility,
         gaScreen: gac.memory,
         gaSelection: legendVisible

packages/devtools_app/lib/src/screens/memory/panes/chart/widgets/chart_pane.dart

@@ -146,7 +146,7 @@ class _MemoryChartPaneState extends State<MemoryChartPane>
     const memoryEventsPainHeight = 70.0;
     return ValueListenableBuilder<bool>(
       valueListenable: preferences.memory.showChart,
-      builder: (_, showChart, __) {
+      builder: (_, showChart, _) {
         if (!showChart) return const SizedBox.shrink();
 
         return KeyboardListener(
@@ -184,7 +184,7 @@ class _MemoryChartPaneState extends State<MemoryChartPane>
                   widget.chart.data.isLegendVisible,
                   widget.chart.isAndroidChartVisible,
                 ],
-                builder: (_, values, __) {
+                builder: (_, values, _) {
                   final isLegendVisible = values.first as bool;
                   final isAndroidChartVisible = values.second as bool;
                   if (!isLegendVisible) return const SizedBox.shrink();

packages/devtools_app/lib/src/screens/memory/panes/diff/diff_pane.dart

@@ -56,7 +56,7 @@ class _SnapshotItemContent extends StatelessWidget {
   Widget build(BuildContext context) {
     return ValueListenableBuilder<SnapshotItem>(
       valueListenable: controller.derived.selectedItem,
-      builder: (_, item, __) {
+      builder: (_, item, _) {
         if (item is SnapshotDocItem) {
           return Padding(
             padding: const EdgeInsets.all(denseSpacing),

packages/devtools_app/lib/src/screens/memory/panes/diff/widgets/class_details/class_details.dart

@@ -42,7 +42,7 @@ class HeapClassDetails extends StatelessWidget {
 
     final selectedPathView = ValueListenableBuilder<PathData?>(
       valueListenable: pathSelection,
-      builder: (_, pathData, __) {
+      builder: (_, pathData, _) {
         if (pathData == null) {
           return const CenteredMessage(
             message: 'Click a table row to see the detailed path.',

packages/devtools_app/lib/src/screens/memory/panes/diff/widgets/class_details/path.dart

@@ -87,7 +87,7 @@ class _PathControlPane extends StatelessWidget {
         const SizedBox(width: denseSpacing),
         ValueListenableBuilder<bool>(
           valueListenable: controller.hideStandard,
-          builder: (_, hideStandard, __) => DevToolsFilterButton(
+          builder: (_, hideStandard, _) => DevToolsFilterButton(
             onPressed: () {
               ga.select(
                 gac.memory,
@@ -102,7 +102,7 @@ class _PathControlPane extends StatelessWidget {
         const SizedBox(width: denseSpacing),
         ValueListenableBuilder<bool>(
           valueListenable: controller.invert,
-          builder: (_, invert, __) => DevToolsToggleButton(
+          builder: (_, invert, _) => DevToolsToggleButton(
             onPressed: () {
               ga.select(
                 gac.memory,
@@ -133,7 +133,7 @@ class _PathView extends StatelessWidget {
         controller.hideStandard,
         controller.invert,
       ],
-      builder: (_, values, __) {
+      builder: (_, values, _) {
         final hideStandard = values.first as bool;
         final invert = values.second as bool;
         return SingleChildScrollView(

packages/devtools_app/lib/src/screens/memory/panes/diff/widgets/snapshot_control_pane.dart

@@ -91,7 +91,7 @@ class _DiffDropdown extends StatelessWidget {
   Widget build(BuildContext context) {
     return ValueListenableBuilder<SnapshotDataItem?>(
       valueListenable: current.diffWith,
-      builder: (_, diffWith, __) => Row(
+      builder: (_, diffWith, _) => Row(
         children: [
           const Text('Diff with:'),
           const SizedBox(width: defaultSpacing),

packages/devtools_app/lib/src/screens/memory/panes/diff/widgets/snapshot_list.dart

@@ -213,7 +213,7 @@ class SnapshotListTitle extends StatelessWidget {
 
     return FutureBuilder(
       future: theItem is SnapshotDataItem ? theItem.process : null,
-      builder: (_, __) {
+      builder: (_, _) {
         final isProcessing =
             theItem is SnapshotDataItem ? !theItem.isProcessed : false;
 
@@ -388,7 +388,7 @@ class _SnapshotListItemsState extends State<_SnapshotListItems>
         core.snapshots,
         core.selectedSnapshotIndex,
       ],
-      builder: (_, values, __) {
+      builder: (_, values, _) {
         final snapshots = values.first as List<SnapshotItem>;
         final selectedIndex = values.second as int;
         return ListView.builder(

packages/devtools_app/lib/src/screens/memory/panes/diff/widgets/snapshot_view.dart

@@ -26,7 +26,7 @@ class SnapshotView extends StatelessWidget {
         controller.derived.singleClassesToShow,
         controller.derived.diffClassesToShow,
       ],
-      builder: (_, values, __) {
+      builder: (_, values, _) {
         final singleClasses = values.first as ClassDataList<SingleClassData>?;
         final diffClasses = values.second as ClassDataList<DiffClassData>?;
         if (controller.derived.updatingValues) {
@@ -58,7 +58,7 @@ class SnapshotView extends StatelessWidget {
 
         final pathTable = ValueListenableBuilder<ClassData?>(
           valueListenable: controller.derived.classData,
-          builder: (_, classData, __) => HeapClassDetails(
+          builder: (_, classData, _) => HeapClassDetails(
             classData: classData,
             pathSelection: controller.derived.selectedPath,
             isDiff: classes is ClassDataList<DiffClassData>,

packages/devtools_app/lib/src/screens/memory/panes/tracing/class_table.dart

@@ -181,7 +181,7 @@ class _AllocationTracingTableState extends State<AllocationTracingTable> {
               widget.controller.refreshing,
               widget.controller.selection,
             ],
-            builder: (context, values, __) {
+            builder: (context, values, _) {
               final state = values.second as TracingIsolateState;
               return ValueListenableBuilder<List<TracedClass>>(
                 valueListenable: state.filteredClassList,

packages/devtools_app/lib/src/screens/network/network_request_inspector_views.dart

@@ -150,7 +150,7 @@ class HttpRequestView extends StatelessWidget {
   Widget build(BuildContext context) {
     return ListenableBuilder(
       listenable: data,
-      builder: (context, __) {
+      builder: (context, _) {
         final theme = Theme.of(context);
         final requestHeaders = data.requestHeaders;
         final requestContentType = requestHeaders?['content-type'] ?? '';
@@ -202,7 +202,7 @@ class HttpViewTrailingCopyButton extends StatelessWidget {
   Widget build(BuildContext context) {
     return ListenableBuilder(
       listenable: data,
-      builder: (context, __) {
+      builder: (context, _) {
         final dataToCopy = dataSelector(data);
         final isLoading = data.isFetchingFullData;
         if (dataToCopy == null || dataToCopy.isEmpty || isLoading) {
@@ -249,7 +249,7 @@ class HttpResponseTrailingDropDown extends StatelessWidget {
   Widget build(BuildContext context) {
     return ListenableBuilder(
       listenable: data,
-      builder: (_, __) {
+      builder: (_, _) {
         final visible = (data.contentType != null &&
                 !data.contentType!.contains('image')) &&
             data.responseBody!.isNotEmpty;
@@ -265,7 +265,7 @@ class HttpResponseTrailingDropDown extends StatelessWidget {
           replacement: const SizedBox(),
           child: ValueListenableBuilder<NetworkResponseViewType>(
             valueListenable: currentResponseViewType,
-            builder: (_, currentType, __) {
+            builder: (_, currentType, _) {
               return RoundedDropDownButton<NetworkResponseViewType>(
                 value: currentType,
                 items: availableResponseTypes
@@ -305,7 +305,7 @@ class HttpResponseView extends StatelessWidget {
   Widget build(BuildContext context) {
     return ListenableBuilder(
       listenable: data,
-      builder: (context, __) {
+      builder: (context, _) {
         Widget child;
         final theme = Theme.of(context);
         // We shouldn't try and display an image response view when using the
@@ -356,7 +356,7 @@ class HttpTextResponseViewer extends StatelessWidget {
   Widget build(BuildContext context) {
     return ValueListenableBuilder(
       valueListenable: currentResponseNotifier,
-      builder: (_, currentResponseType, __) {
+      builder: (_, currentResponseType, _) {
         NetworkResponseViewType currentLocalResponseType = currentResponseType;
 
         if (currentResponseType == NetworkResponseViewType.auto) {

packages/devtools_app/lib/src/screens/performance/performance_screen.dart

@@ -131,7 +131,7 @@ class WebPerformanceScreenBody extends StatelessWidget {
             false;
     return Markdown(
       data: isFlutterWebApp ? flutterWebInstructionsMd : dartWebInstructionsMd,
-      onTapLink: (_, url, __) {
+      onTapLink: (_, url, _) {
         if (url != null) {
           unawaited(launchUrlWithErrorHandling(url));
         }

packages/devtools_app/lib/src/screens/vm_developer/process_memory/process_memory_view.dart

@@ -230,7 +230,7 @@ class _ProcessMemoryTreeMap extends StatelessWidget {
       builder: (context, constraints) {
         return ValueListenableBuilder<TreemapNode?>(
           valueListenable: controller.treeMapRoot,
-          builder: (context, root, __) {
+          builder: (context, root, _) {
             return Treemap.fromRoot(
               rootNode: root!,
               levelsVisible: 2,

packages/devtools_app/lib/src/screens/vm_developer/vm_statistics/vm_statistics_view.dart

@@ -47,7 +47,7 @@ class VMStatisticsViewBody extends StatelessWidget {
         Expanded(
           child: ValueListenableBuilder(
             valueListenable: controller.refreshing,
-            builder: (context, _, __) {
+            builder: (context, _, _) {
               return VMStatisticsWidget(
                 controller: controller,
               );

packages/devtools_app/lib/src/shared/common_widgets.dart

@@ -427,7 +427,7 @@ class VisibilityButton extends StatelessWidget {
   Widget build(BuildContext context) {
     return ValueListenableBuilder<bool>(
       valueListenable: show,
-      builder: (_, show, __) {
+      builder: (_, show, _) {
         return GaDevToolsButton(
           key: key,
           tooltip: tooltip,

packages/devtools_app/lib/src/shared/config_specific/post_message/_post_message_stub.dart

@@ -7,5 +7,5 @@ import 'post_message.dart';
 Stream<PostMessageEvent> get onPostMessage =>
     throw UnsupportedError('unsupported platform');
 
-void postMessage(Object? _, String __) =>
+void postMessage(Object? _, String _) =>
     throw UnsupportedError('unsupported platform');

packages/devtools_app/lib/src/shared/console/console.dart

@@ -187,7 +187,7 @@ class _ConsoleOutputState extends State<_ConsoleOutput>
             physics: const ClampingScrollPhysics(
               parent: RangeMaintainingScrollPhysics(),
             ),
-            separatorBuilder: (_, __) {
+            separatorBuilder: (_, _) {
               return const PaddedDivider.noPadding();
             },
             itemBuilder: (context, index) {

packages/devtools_app/lib/src/shared/editable_list.dart

@@ -90,7 +90,7 @@ class _EditableListState extends State<EditableList> {
         widget.entries,
         widget.isRefreshing ?? ValueNotifier<bool>(false),
       ],
-      builder: (_, __, ____) {
+      builder: (_, _, _) {
         return Column(
           mainAxisSize: MainAxisSize.min,
           crossAxisAlignment: CrossAxisAlignment.start,

packages/devtools_app/lib/src/shared/table/_table_row.dart

@@ -492,7 +492,7 @@ class _TableRowState<T> extends State<TableRow<T>>
           final expandIndicator = widget.isExpandable
               ? ValueListenableBuilder(
                   valueListenable: expandController,
-                  builder: (context, _, __) {
+                  builder: (context, _, _) {
                     return RotationTransition(
                       turns: expandArrowAnimation,
                       child: Icon(