Ignore in _Location (#96553)

dev/integration_tests/flutter_gallery/lib/demo/material/date_and_time_picker_demo.dart

@@ -10,7 +10,6 @@ import '../../gallery/demo.dart';
 class _InputDropdown extends StatelessWidget {
   const _InputDropdown({
     Key? key,
-    this.child,
     this.labelText,
     this.valueText,
     this.valueStyle,
@@ -21,7 +20,6 @@ class _InputDropdown extends StatelessWidget {
   final String? valueText;
   final TextStyle? valueStyle;
   final VoidCallback? onPressed;
-  final Widget? child;
 
   @override
   Widget build(BuildContext context) {

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

@@ -245,7 +245,6 @@ class _CupertinoDesktopTextSelectionToolbar extends StatelessWidget {
     Key? key,
     required this.anchor,
     required this.children,
-    this.toolbarBuilder = _defaultToolbarBuilder,
   }) : assert(children.length > 0),
        super(key: key);
 
@@ -260,12 +259,6 @@ class _CupertinoDesktopTextSelectionToolbar extends StatelessWidget {
   ///     Mac-style text selection toolbar text button.
   final List<Widget> children;
 
-  /// {@macro flutter.material.TextSelectionToolbar.toolbarBuilder}
-  ///
-  /// The given anchor and isAbove can be used to position an arrow, as in the
-  /// default Cupertino toolbar.
-  final ToolbarBuilder toolbarBuilder;
-
   // Builds a toolbar just like the default Mac toolbar, with the right color
   // background, padding, and rounded corners.
   static Widget _defaultToolbarBuilder(BuildContext context, Widget child) {
@@ -308,7 +301,7 @@ class _CupertinoDesktopTextSelectionToolbar extends StatelessWidget {
         delegate: DesktopTextSelectionToolbarLayoutDelegate(
           anchor: anchor - localAdjustment,
         ),
-        child: toolbarBuilder(context, Column(
+        child: _defaultToolbarBuilder(context, Column(
           mainAxisSize: MainAxisSize.min,
           children: children,
         )),

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

@@ -1675,11 +1675,7 @@ class _ActionButtonParentDataWidget
 // ParentData applied to individual action buttons that report whether or not
 // that button is currently pressed by the user.
 class _ActionButtonParentData extends MultiChildLayoutParentData {
-  _ActionButtonParentData({
-    this.isPressed = false,
-  });
-
-  bool isPressed;
+  bool isPressed = false;
 }
 
 /// A button typically used in a [CupertinoAlertDialog].

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

@@ -236,7 +236,6 @@ class _DesktopTextSelectionToolbar extends StatelessWidget {
     Key? key,
     required this.anchor,
     required this.children,
-    this.toolbarBuilder = _defaultToolbarBuilder,
   }) : assert(children.length > 0),
        super(key: key);
 
@@ -251,12 +250,6 @@ class _DesktopTextSelectionToolbar extends StatelessWidget {
   ///     Material-style desktop text selection toolbar text button.
   final List<Widget> children;
 
-  /// {@macro flutter.material.TextSelectionToolbar.toolbarBuilder}
-  ///
-  /// The given anchor and isAbove can be used to position an arrow, as in the
-  /// default toolbar.
-  final ToolbarBuilder toolbarBuilder;
-
   // Builds a desktop toolbar in the Material style.
   static Widget _defaultToolbarBuilder(BuildContext context, Widget child) {
     return SizedBox(
@@ -290,7 +283,7 @@ class _DesktopTextSelectionToolbar extends StatelessWidget {
         delegate: DesktopTextSelectionToolbarLayoutDelegate(
           anchor: anchor - localAdjustment,
         ),
-        child: toolbarBuilder(context, Column(
+        child: _defaultToolbarBuilder(context, Column(
           mainAxisSize: MainAxisSize.min,
           children: children,
         )),

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

@@ -145,7 +145,6 @@ class _BorderContainer extends StatefulWidget {
     required this.fillColor,
     required this.hoverColor,
     required this.isHovering,
-    this.child,
   }) : assert(border != null),
        assert(gap != null),
        assert(fillColor != null),
@@ -157,7 +156,6 @@ class _BorderContainer extends StatefulWidget {
   final Color fillColor;
   final Color hoverColor;
   final bool isHovering;
-  final Widget? child;
 
   @override
   _BorderContainerState createState() => _BorderContainerState();
@@ -249,7 +247,6 @@ class _BorderContainerState extends State<_BorderContainer> with TickerProviderS
         hoverColorTween: _hoverColorTween,
         hoverAnimation: _hoverAnimation,
       ),
-      child: widget.child,
     );
   }
 }

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

@@ -151,14 +151,13 @@ class _AnimationTuple {
     required this.startAnimation,
     required this.endAnimation,
     required this.gapAnimation,
-    this.gapStart = 0.0,
   });
 
   final AnimationController controller;
   final CurvedAnimation startAnimation;
   final CurvedAnimation endAnimation;
   final CurvedAnimation gapAnimation;
-  double gapStart;
+  double gapStart = 0.0;
 }
 
 class _MergeableMaterialState extends State<MergeableMaterial> with TickerProviderStateMixin {

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

@@ -898,18 +898,10 @@ class _ClampTextScaleFactor extends StatelessWidget {
   /// surrounding [child].
   const _ClampTextScaleFactor({
     Key? key,
-    this.lowerLimit = 0,
     this.upperLimit = double.infinity,
     required this.child,
   }) : super(key: key);
 
-  /// The minimum amount that the text scale factor should be for the [child]
-  /// widget.
-  ///
-  /// If this is `.5`, the textScaleFactor for child widgets will never be
-  /// smaller than `.5`.
-  final double lowerLimit;
-
   /// The maximum amount that the text scale factor should be for the [child]
   /// widget.
   ///
@@ -926,7 +918,7 @@ class _ClampTextScaleFactor extends StatelessWidget {
     return MediaQuery(
       data: MediaQuery.of(context).copyWith(
         textScaleFactor: MediaQuery.of(context).textScaleFactor.clamp(
-          lowerLimit,
+          0.0,
           upperLimit,
         ),
       ),

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

@@ -2869,6 +2869,7 @@ class _Location {
     required this.file,
     required this.line,
     required this.column,
+    // ignore: unused_element
     this.name,
   });
 

packages/flutter/test/material/search_test.dart

@@ -1020,14 +1020,6 @@ class _TestSearchDelegate extends SearchDelegate<String> {
 }
 
 class _TestEmptySearchDelegate extends SearchDelegate<String> {
-  _TestEmptySearchDelegate({
-    this.suggestions = 'Suggestions',
-    this.result = 'Result',
-  }) : super();
-
-  final String suggestions;
-  final String result;
-
   @override
   Widget? buildLeading(BuildContext context) => null;
 
@@ -1040,7 +1032,7 @@ class _TestEmptySearchDelegate extends SearchDelegate<String> {
       onPressed: () {
         showResults(context);
       },
-      child: Text(suggestions),
+      child: const Text('Suggestions'),
     );
   }
 
@@ -1057,7 +1049,7 @@ class _TestEmptySearchDelegate extends SearchDelegate<String> {
         tooltip: 'Close',
         icon: const Icon(Icons.arrow_back),
         onPressed: () {
-          close(context, result);
+          close(context, 'Result');
         },
       ),
     );

packages/flutter/test/rendering/recording_canvas.dart

@@ -186,10 +186,9 @@ class TestRecordingPaintingContext extends ClipContext implements PaintingContex
 }
 
 class _MethodCall implements Invocation {
-  _MethodCall(this._name, [ this._arguments = const <dynamic>[], this._typeArguments = const <Type> []]);
+  _MethodCall(this._name, [ this._arguments = const <dynamic>[]]);
   final Symbol _name;
   final List<dynamic> _arguments;
-  final List<Type> _typeArguments;
   @override
   bool get isAccessor => false;
   @override
@@ -205,7 +204,7 @@ class _MethodCall implements Invocation {
   @override
   List<dynamic> get positionalArguments => _arguments;
   @override
-  List<Type> get typeArguments => _typeArguments;
+  List<Type> get typeArguments => const <Type> [];
 }
 
 String _valueName(Object? value) {

packages/flutter/test/rendering/viewport_test.dart

@@ -21,13 +21,11 @@ class _TestSliverPersistentHeaderDelegate extends SliverPersistentHeaderDelegate
     this.key,
     required this.minExtent,
     required this.maxExtent,
-    this.child,
     this.vsync = const TestVSync(),
     this.showOnScreenConfiguration = const PersistentHeaderShowOnScreenConfiguration(),
   });
 
   final Key? key;
-  final Widget? child;
 
   @override
   final double maxExtent;
@@ -42,7 +40,7 @@ class _TestSliverPersistentHeaderDelegate extends SliverPersistentHeaderDelegate
   final PersistentHeaderShowOnScreenConfiguration showOnScreenConfiguration;
 
   @override
-  Widget build(BuildContext context, double shrinkOffset, bool overlapsContent) => child ?? SizedBox.expand(key: key);
+  Widget build(BuildContext context, double shrinkOffset, bool overlapsContent) => SizedBox.expand(key: key);
 
   @override
   bool shouldRebuild(_TestSliverPersistentHeaderDelegate oldDelegate) => true;

packages/flutter/test/widgets/editable_text_show_on_screen_test.dart

@@ -14,7 +14,6 @@ class _TestSliverPersistentHeaderDelegate extends SliverPersistentHeaderDelegate
     required this.maxExtent,
     required this.child,
     this.vsync = const TestVSync(),
-    this.showOnScreenConfiguration = const PersistentHeaderShowOnScreenConfiguration(),
   });
 
   final Widget child;
@@ -29,7 +28,7 @@ class _TestSliverPersistentHeaderDelegate extends SliverPersistentHeaderDelegate
   final TickerProvider? vsync;
 
   @override
-  final PersistentHeaderShowOnScreenConfiguration showOnScreenConfiguration;
+  final PersistentHeaderShowOnScreenConfiguration showOnScreenConfiguration = const PersistentHeaderShowOnScreenConfiguration();
 
   @override
   Widget build(BuildContext context, double shrinkOffset, bool overlapsContent) => child;

packages/flutter/test/widgets/image_filter_quality_test.dart

@@ -72,8 +72,6 @@ Future<void> testImageQuality(WidgetTester tester, ui.FilterQuality? quality) as
 }
 
 class _TestImageStreamCompleter extends ImageStreamCompleter {
-  _TestImageStreamCompleter([this._currentImage]);
-
   ImageInfo? _currentImage;
   final Set<ImageStreamListener> listeners = <ImageStreamListener>{};
 

packages/flutter/test/widgets/slotted_render_object_widget_test.dart

@@ -201,12 +201,10 @@ class _Diagonal extends RenderObjectWidget with SlottedMultiChildRenderObjectWid
     Key? key,
     this.topLeft,
     this.bottomRight,
-    this.backgroundColor,
   }) : super(key: key);
 
   final Widget? topLeft;
   final Widget? bottomRight;
-  final Color? backgroundColor;
 
   @override
   Iterable<_DiagonalSlot> get slots => _DiagonalSlot.values;

packages/flutter/test/widgets/ticker_mode_test.dart

@@ -258,9 +258,7 @@ class _TickingWidgetState extends State<_TickingWidget> with SingleTickerProvide
 }
 
 class _MultiTickingWidget extends StatefulWidget {
-  const _MultiTickingWidget({Key? key, this.onTick}) : super(key: key);
-
-  final VoidCallback? onTick;
+  const _MultiTickingWidget({Key? key}) : super(key: key);
 
   @override
   State<_MultiTickingWidget> createState() => _MultiTickingWidgetState();
@@ -274,7 +272,6 @@ class _MultiTickingWidgetState extends State<_MultiTickingWidget> with TickerPro
   void initState() {
     super.initState();
     ticker = createTicker((Duration _) {
-      widget.onTick?.call();
     })..start();
   }
 

packages/flutter_test/test/widget_tester_test.dart

@@ -809,11 +809,9 @@ class _SingleTickerTestState extends State<_SingleTickerTest> with SingleTickerP
 
 class _AlwaysAnimating extends StatefulWidget {
   const _AlwaysAnimating({
-    this.child,
     required this.onPaint,
   });
 
-  final Widget? child;
   final VoidCallback onPaint;
 
   @override
@@ -846,7 +844,6 @@ class _AlwaysAnimatingState extends State<_AlwaysAnimating> with SingleTickerPro
       builder: (BuildContext context, Widget? child) {
         return CustomPaint(
           painter: _AlwaysRepaint(widget.onPaint),
-          child: widget.child,
         );
       },
     );