Remove superfluous words. (#119008)

* Remove superfluous words.

* Update packages/flutter/lib/src/widgets/slotted_render_object_widget.dart

Co-authored-by: Michael Goderbauer <goderbauer@google.com>

examples/api/lib/widgets/hardware_keyboard/key_event_manager.0.dart

@@ -91,7 +91,7 @@ class FallbackFocusNode {
 ///
 /// A global registrar like [FallbackKeyEventRegistrar] is almost always needed
 /// when patching [KeyEventManager.keyMessageHandler]. This is because
-/// [FallbackFocus] will add and and remove callbacks constantly, but
+/// [FallbackFocus] will add and remove callbacks constantly, but
 /// [KeyEventManager.keyMessageHandler] can only be patched once, and can not
 /// be unpatched. Therefore [FallbackFocus] must not directly interact with
 /// [KeyEventManager.keyMessageHandler], but through a separate registrar that

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

@@ -127,7 +127,7 @@ class CupertinoSwitch extends StatefulWidget {
 
   /// The color to use for the focus highlight for keyboard interactions.
   ///
-  /// Defaults to a a slightly transparent [activeColor].
+  /// Defaults to a slightly transparent [activeColor].
   final Color? focusColor;
 
   /// {@template flutter.cupertino.CupertinoSwitch.applyTheme}

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

@@ -44,11 +44,11 @@ const bool _kDebugMenus = false;
 // has a submenu.
 const double _kDefaultSubmenuIconSize = 24;
 
-// The default spacing between the the leading icon, label, trailing icon, and
+// The default spacing between the leading icon, label, trailing icon, and
 // shortcut label in a _MenuItemLabel.
 const double _kLabelItemDefaultSpacing = 12;
 
-// The minimum spacing between the the leading icon, label, trailing icon, and
+// The minimum spacing between the leading icon, label, trailing icon, and
 // shortcut label in a _MenuItemLabel.
 const double _kLabelItemMinSpacing = 4;
 

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

@@ -595,7 +595,7 @@ class _NavigationDestinationInfo extends InheritedWidget {
   /// when label behavior is [NavigationDestinationLabelBehavior.onlyShowSelected].
   final int selectedIndex;
 
-  /// How many total destinations are are in this navigation bar.
+  /// How many total destinations are in this navigation bar.
   ///
   /// This is required for semantics, so that each destination can have a label
   /// "Tab 1 of 4", for example.

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

@@ -488,7 +488,7 @@ class _NavigationDrawerDestinationInfo extends InheritedWidget {
   /// "Tab 1 of 3", for example.
   final int index;
 
-  /// How many total destinations are are in this navigation drawer.
+  /// How many total destinations are in this navigation drawer.
   ///
   /// This is required for semantics, so that each destination can have a label
   /// "Tab 1 of 4", for example.

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

@@ -130,7 +130,7 @@ class BorderSide with Diagnosticable {
   ///
   /// Values typically range from -1.0 ([strokeAlignInside], inside border,
   /// default) to 1.0 ([strokeAlignOutside], outside border), without any
-  /// bound constraints (e.g., a value of -2.0 is is not typical, but allowed).
+  /// bound constraints (e.g., a value of -2.0 is not typical, but allowed).
   /// A value of 0 ([strokeAlignCenter]) will center the border on the edge
   /// of the widget.
   ///

packages/flutter/lib/src/services/debug.dart

@@ -17,7 +17,7 @@ KeyDataTransitMode? debugKeyEventSimulatorTransitModeOverride;
 
 /// Profile and print statistics on Platform Channel usage.
 ///
-/// When this is is true statistics about the usage of Platform Channels will be
+/// When this is true statistics about the usage of Platform Channels will be
 /// printed out periodically to the console and Timeline events will show the
 /// time between sending and receiving a message (encoding and decoding time
 /// excluded).

packages/flutter/lib/src/services/text_editing_delta.dart

@@ -93,7 +93,7 @@ abstract class TextEditingDelta with Diagnosticable {
     // 'world'{replacementDestinationEnd, replacementDestinationStart + replacementSourceEnd}
     // can be considered an insertion. In this case we inserted 'd'.
     //
-    // Similarly for a a deletion, say we are currently composing the word: 'worl'.
+    // Similarly for a deletion, say we are currently composing the word: 'worl'.
     // Our current state is 'world|' with the cursor at the end of 'd'. If we
     // press backspace to delete the character 'd', the platform will tell us 'world'
     // was replaced with 'worl' at range (0,5). Here we can check if the text found

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

@@ -125,7 +125,7 @@ class DisplayFeatureSubScreen extends StatelessWidget {
 
   /// Returns the areas of the screen that are obstructed by display features.
   ///
-  /// A [DisplayFeature] obstructs the screen when the the area it occupies is
+  /// A [DisplayFeature] obstructs the screen when the area it occupies is
   /// not 0 or the `state` is [DisplayFeatureState.postureHalfOpened].
   static Iterable<Rect> avoidBounds(MediaQueryData mediaQuery) {
     return mediaQuery.displayFeatures

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

@@ -506,7 +506,7 @@ class SelectableRegionState extends State<SelectableRegion> with TextSelectionDe
   /// is not pending or users end their gestures.
   void _triggerSelectionEndEdgeUpdate() {
     // This method can be called when the drag is not in progress. This can
-    // happen if the the child scrollable returns SelectionResult.pending, and
+    // happen if the child scrollable returns SelectionResult.pending, and
     // the selection area scheduled a selection update for the next frame, but
     // the drag is lifted before the scheduled selection update is run.
     if (_scheduledSelectionEndEdgeUpdate || !_userDraggingSelectionEnd) {
@@ -559,7 +559,7 @@ class SelectableRegionState extends State<SelectableRegion> with TextSelectionDe
   /// is not pending or users end their gestures.
   void _triggerSelectionStartEdgeUpdate() {
     // This method can be called when the drag is not in progress. This can
-    // happen if the the child scrollable returns SelectionResult.pending, and
+    // happen if the child scrollable returns SelectionResult.pending, and
     // the selection area scheduled a selection update for the next frame, but
     // the drag is lifted before the scheduled selection update is run.
     if (_scheduledSelectionStartEdgeUpdate || !_userDraggingSelectionStart) {

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

@@ -116,7 +116,7 @@ mixin SlottedContainerRenderObjectMixin<S> on RenderBox {
   /// currently occupied by a child to obtain a name for that slot for debug
   /// outputs.
   ///
-  /// The default implementation calls [EnumName.name] on `slot` it it is an
+  /// The default implementation calls [EnumName.name] on `slot` if it is an
   /// [Enum] value and `toString` if it is not.
   @protected
   String debugNameForSlot(S slot) {

packages/flutter/test/material/text_selection_test.dart

@@ -459,7 +459,7 @@ void main() {
       expect(find.text('Select all'), findsOneWidget);
       expect(find.byType(IconButton), findsOneWidget);
 
-      // Tapping Select all changes the menu items so that there is no no longer
+      // Tapping Select all changes the menu items so that there is no longer
       // any overflow.
       await tester.tap(find.text('Select all'));
       await tester.pumpAndSettle();

packages/flutter/test/widgets/mouse_region_test.dart

@@ -1088,7 +1088,7 @@ void main() {
     expect(paintCount, 1);
   });
 
-  testWidgets('A MouseRegion mounted under the pointer should should take effect in the next postframe', (WidgetTester tester) async {
+  testWidgets('A MouseRegion mounted under the pointer should take effect in the next postframe', (WidgetTester tester) async {
     bool hovered = false;
 
     final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse);

packages/flutter_test/lib/src/widget_tester.dart

@@ -1100,7 +1100,7 @@ class WidgetTester extends WidgetController implements HitTestDispatcher, Ticker
   ///
   /// To enter text into other widgets (e.g. a custom widget that maintains a
   /// TextInputConnection the way that a [EditableText] does), first ensure that
-  /// that widget has an open connection (e.g. by using [tap] to to focus it),
+  /// that widget has an open connection (e.g. by using [tap] to focus it),
   /// then call `testTextInput.enterText` directly (see
   /// [TestTextInput.enterText]).
   Future<void> enterText(Finder finder, String text) async {

packages/flutter_tools/lib/src/android/gradle.dart

@@ -870,7 +870,7 @@ File findBundleFile(FlutterProject project, BuildInfo buildInfo, Logger logger,
 
     // The Android Gradle plugin 3.5.0 adds the flavor name to file name.
     // For example: In release mode, if the flavor name is `foo_bar`, then
-    // the file name name is `app-foo_bar-release.aab`.
+    // the file name is `app-foo_bar-release.aab`.
     fileCandidates.add(
       getBundleDirectory(project)
         .childDirectory('${buildInfo.lowerCasedFlavor}${camelCase('_${buildInfo.modeName}')}')

packages/flutter_tools/templates/plugin_ffi/lib/projectName.dart.tmpl

@@ -129,7 +129,7 @@ Future<SendPort> _helperIsolateSendPort = () async {
         throw UnsupportedError('Unsupported message type: ${data.runtimeType}');
       });
 
-    // Send the the port to the main isolate on which we can receive requests.
+    // Send the port to the main isolate on which we can receive requests.
     sendPort.send(helperReceivePort.sendPort);
   }, receivePort.sendPort);
 

packages/flutter_tools/test/general.shard/web/devfs_web_test.dart

@@ -597,7 +597,7 @@ void main() {
     expect((await response.read().toList()).first, source.readAsBytesSync());
   }));
 
-  test('serves asset files files from in filesystem with unknown mime type', () => testbed.run(() async {
+  test('serves asset files from in filesystem with unknown mime type', () => testbed.run(() async {
     final File source = globals.fs.file(globals.fs.path.join('build', 'flutter_assets', 'foo'))
       ..createSync(recursive: true)
       ..writeAsBytesSync(List<int>.filled(100, 0));