// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:flutter/material.dart';

void main() {
  // Generic reference variables.
  BuildContext context;
  RenderObjectWidget renderObjectWidget;
  RenderObject renderObject;
  Object object;

  // Changes made in https://github.com/flutter/flutter/pull/26259
  Scaffold scaffold = Scaffold(resizeToAvoidBottomInset: true);
  scaffold = Scaffold(error: '');
  final bool resize = scaffold.resizeToAvoidBottomInset;

  // Change made in https://github.com/flutter/flutter/pull/15303
  showDialog(builder: (context) => Text('Fix me.'));
  showDialog(error: '');

  // Changes made in https://github.com/flutter/flutter/pull/44189
  const Element element = Element(myWidget);
  element.dependOnInheritedElement(ancestor);
  element.dependOnInheritedWidgetOfExactType<targetType>();
  element.getElementForInheritedWidgetOfExactType<targetType>();
  element.findAncestorWidgetOfExactType<targetType>();
  element.findAncestorStateOfType<targetType>();
  element.findRootAncestorStateOfType<targetType>();
  element.findAncestorRenderObjectOfType<targetType>();

  // Changes made in https://github.com/flutter/flutter/pull/45941 and https://github.com/flutter/flutter/pull/83843
  final WidgetsBinding binding = WidgetsBinding.instance;
  binding.deferFirstFrame();
  binding.allowFirstFrame();

  // Changes made in https://github.com/flutter/flutter/pull/44189
  const StatefulElement statefulElement = StatefulElement(myWidget);
  statefulElement.dependOnInheritedElement(ancestor);

  // Changes made in https://github.com/flutter/flutter/pull/44189
  const BuildContext buildContext = Element(myWidget);
  buildContext.dependOnInheritedElement(ancestor);
  buildContext.dependOnInheritedWidgetOfExactType<targetType>();
  buildContext.getElementForInheritedWidgetOfExactType<targetType>();
  buildContext.findAncestorWidgetOfExactType<targetType>();
  buildContext.findAncestorStateOfType<targetType>();
  buildContext.findRootAncestorStateOfType<targetType>();
  buildContext.findAncestorRenderObjectOfType<targetType>();

  // Changes made in https://github.com/flutter/flutter/pull/66305
  const Stack stack = Stack(clipBehavior: Clip.none);
  const Stack stack = Stack(clipBehavior: Clip.hardEdge);
  const Stack stack = Stack(error: '');
  final behavior = stack.clipBehavior;

  // Changes made in https://github.com/flutter/flutter/pull/61648
  const Form form = Form(autovalidateMode: AutovalidateMode.always);
  const Form form = Form(autovalidateMode: AutovalidateMode.disabled);
  const Form form = Form(error: '');
  final autoMode = form.autovalidateMode;

  // Changes made in https://github.com/flutter/flutter/pull/61648
  const FormField formField = FormField(autovalidateMode: AutovalidateMode.always);
  const FormField formField = FormField(autovalidateMode: AutovalidateMode.disabled);
  const FormField formField = FormField(error: '');
  final autoMode = formField.autovalidateMode;

  // Changes made in https://github.com/flutter/flutter/pull/61648
  const TextFormField textFormField = TextFormField(autovalidateMode: AutovalidateMode.always);
  const TextFormField textFormField = TextFormField(autovalidateMode: AutovalidateMode.disabled);
  const TextFormField textFormField = TextFormField(error: '');

  // Changes made in https://github.com/flutter/flutter/pull/61648
  const DropdownButtonFormField dropDownButtonFormField =
      DropdownButtonFormField(autovalidateMode: AutovalidateMode.always);
  const DropdownButtonFormField dropdownButtonFormField =
      DropdownButtonFormField(autovalidateMode: AutovalidateMode.disabled);
  const DropdownButtonFormField dropdownButtonFormField =
      DropdownButtonFormField(error: '');

  // Changes made in https://github.com/flutter/flutter/pull/68736
  MediaQuery.maybeOf(context);
  MediaQuery.of(context);
  MediaQuery.of(error: '');

  // Changes made in https://github.com/flutter/flutter/pull/70726
  Navigator.maybeOf(context);
  Navigator.of(context);
  Navigator.of(error: '');

  // Changes made in https://github.com/flutter/flutter/pull/68908
  ScaffoldMessenger.maybeOf(context);
  ScaffoldMessenger.of(context);
  ScaffoldMessenger.of(error: '');
  Scaffold.of(error: '');
  Scaffold.maybeOf(context);
  Scaffold.of(context);

  // Changes made in https://github.com/flutter/flutter/pull/68910
  Router.maybeOf(context);
  Router.of(context);
  Router.of(error: '');

  // Changes made in https://github.com/flutter/flutter/pull/68911
  Localizations.maybeLocaleOf(context);
  Localizations.localeOf(context);
  Localizations.localeOf(error: '');

  // Changes made in https://github.com/flutter/flutter/pull/68917
  FocusTraversalOrder.maybeOf(context);
  FocusTraversalOrder.of(context);
  FocusTraversalOrder.of(error: '');
  FocusTraversalGroup.of(error: '');
  FocusTraversalGroup.maybeOf(context);
  FocusTraversalGroup.of(context);
  Focus.maybeOf(context);
  Focus.of(context);
  Focus.of(error: '');

  // Changes made in https://github.com/flutter/flutter/pull/68921
  Shortcuts.maybeOf(context);
  Shortcuts.of(context);
  Shortcuts.of(error: '');
  Actions.find(error: '');
  Actions.maybeFind(context);
  Actions.find(context);
  Actions.handler(context);
  Actions.handler(context);
  Actions.handler(error: '');
  Actions.invoke(error: '');
  Actions.maybeInvoke(context);
  Actions.invoke(context);

  // Changes made in https://github.com/flutter/flutter/pull/68925
  AnimatedList.maybeOf(context);
  AnimatedList.of(context);
  AnimatedList.of(error: '');
  SliverAnimatedList.of(error: '');
  SliverAnimatedList.maybeOf(context);
  SliverAnimatedList.of(context);

  // Changes made in https://github.com/flutter/flutter/pull/68905
  MaterialBasedCupertinoThemeData.resolveFrom(context);
  MaterialBasedCupertinoThemeData.resolveFrom(context);
  MaterialBasedCupertinoThemeData.resolveFrom(error: '');

  // Changes made in https://github.com/flutter/flutter/pull/72043
  TextField(maxLengthEnforcement: MaxLengthEnforcement.enforce);
  TextField(maxLengthEnforcement: MaxLengthEnforcement.none);
  TextField(error: '');
  final TextField textField;
  textField.maxLengthEnforcement;
  TextFormField(maxLengthEnforcement: MaxLengthEnforcement.enforce);
  TextFormField(maxLengthEnforcement: MaxLengthEnforcement.none);
  TextFormField(error: '');

  // Changes made in https://github.com/flutter/flutter/pull/59127
  const BottomNavigationBarItem bottomNavigationBarItem =
      BottomNavigationBarItem(label: myTitle);
  const BottomNavigationBarItem bottomNavigationBarItem =
      BottomNavigationBarItem();
  const BottomNavigationBarItem bottomNavigationBarItem =
      BottomNavigationBarItem(error: '');
  bottomNavigationBarItem.label;

  // Changes made in https://github.com/flutter/flutter/pull/65246
  RectangularSliderTrackShape();
  RectangularSliderTrackShape(error: '');

  // Changes made in https://github.com/flutter/flutter/pull/79160
  Draggable draggable = Draggable();
  draggable = Draggable(dragAnchorStrategy: childDragAnchorStrategy);
  draggable = Draggable(dragAnchorStrategy: pointerDragAnchorStrategy);
  draggable = Draggable(error: '');
  draggable.dragAnchorStrategy;

  // Changes made in https://github.com/flutter/flutter/pull/79160
  LongPressDraggable longPressDraggable = LongPressDraggable();
  longPressDraggable = LongPressDraggable(dragAnchorStrategy: childDragAnchorStrategy);
  longPressDraggable = LongPressDraggable(dragAnchorStrategy: pointerDragAnchorStrategy);
  longPressDraggable = LongPressDraggable(error: '');
  longPressDraggable.dragAnchorStrategy;

  // Changes made in https://github.com/flutter/flutter/pull/64254
  final LeafRenderObjectElement leafElement = LeafRenderObjectElement();
  leafElement.insertRenderObjectChild(renderObject, object);
  leafElement.moveRenderObjectChild(renderObject, object);
  leafElement.removeRenderObjectChild(renderObject);
  final ListWheelElement listWheelElement = ListWheelElement();
  listWheelElement.insertRenderObjectChild(renderObject, object);
  listWheelElement.moveRenderObjectChild(renderObject, object);
  listWheelElement.removeRenderObjectChild(renderObject);
  final MultiChildRenderObjectElement multiChildRenderObjectElement =
      MultiChildRenderObjectElement();
  multiChildRenderObjectElement.insertRenderObjectChild(renderObject, object);
  multiChildRenderObjectElement.moveRenderObjectChild(renderObject, object);
  multiChildRenderObjectElement.removeRenderObjectChild(renderObject);
  final SingleChildRenderObjectElement singleChildRenderObjectElement =
      SingleChildRenderObjectElement();
  singleChildRenderObjectElement.insertRenderObjectChild(renderObject, object);
  singleChildRenderObjectElement.moveRenderObjectChild(renderObject, object);
  singleChildRenderObjectElement.removeRenderObjectChild(renderObject);
  final SliverMultiBoxAdaptorElement sliverMultiBoxAdaptorElement =
      SliverMultiBoxAdaptorElement();
  sliverMultiBoxAdaptorElement.insertRenderObjectChild(renderObject, object);
  sliverMultiBoxAdaptorElement.moveRenderObjectChild(renderObject, object);
  sliverMultiBoxAdaptorElement.removeRenderObjectChild(renderObject);
  final RenderObjectToWidgetElement renderObjectToWidgetElement =
      RenderObjectToWidgetElement(widget);
  renderObjectToWidgetElement.insertRenderObjectChild(renderObject, object);
  renderObjectToWidgetElement.moveRenderObjectChild(renderObject, object);
  renderObjectToWidgetElement.removeRenderObjectChild(renderObject);

  // Changes made in https://docs.flutter.dev/release/breaking-changes/clip-behavior
  ListWheelScrollView listWheelScrollView = ListWheelScrollView();
  listWheelScrollView = ListWheelScrollView(clipBehavior: Clip.hardEdge);
  listWheelScrollView = ListWheelScrollView(clipBehavior: Clip.none);
  listWheelScrollView = ListWheelScrollView(error: '');
  listWheelScrollView = ListWheelScrollView.useDelegate(error: '');
  listWheelScrollView = ListWheelScrollView.useDelegate();
  listWheelScrollView = ListWheelScrollView.useDelegate(clipBehavior: Clip.hardEdge);
  listWheelScrollView = ListWheelScrollView.useDelegate(clipBehavior: Clip.none);
  listWheelScrollView.clipBehavior;
  ListWheelViewport listWheelViewport = ListWheelViewport();
  listWheelViewport = ListWheelViewport(clipBehavior: Clip.hardEdge);
  listWheelViewport = ListWheelViewport(clipBehavior: Clip.none);
  listWheelViewport = ListWheelViewport(error: '');
  listWheelViewport.clipBehavior;

  // Changes made in https://github.com/flutter/flutter/pull/87839
  final OverscrollIndicatorNotification notification =
      OverscrollIndicatorNotification(leading: true);
  final OverscrollIndicatorNotification notification =
      OverscrollIndicatorNotification(error: '');
  notification.disallowIndicator();

  // Changes made in https://github.com/flutter/flutter/pull/96115
  Icon icon = Icons.pie_chart_outline;

  // Changes made in https://github.com/flutter/flutter/pull/96957
  Scrollbar scrollbar = Scrollbar(thumbVisibility: true);
  bool nowShowing = scrollbar.thumbVisibility;
  ScrollbarThemeData scrollbarTheme = ScrollbarThemeData(
    thumbVisibility: nowShowing,
  );
  scrollbarTheme.copyWith(thumbVisibility: nowShowing);
  scrollbarTheme.thumbVisibility;
  RawScrollbar rawScrollbar = RawScrollbar(thumbVisibility: true);
  nowShowing = rawScrollbar.thumbVisibility;

  // Changes made in https://github.com/flutter/flutter/pull/96174
  Chip chip = Chip();
  chip = Chip(deleteButtonTooltipMessage: '');
  chip = Chip();
  chip = Chip(
    deleteButtonTooltipMessage: 'Delete Tooltip',
  );
  chip.deleteButtonTooltipMessage;

  // Changes made in https://github.com/flutter/flutter/pull/96174
  InputChip inputChip = InputChip();
  inputChip = InputChip(deleteButtonTooltipMessage: '');
  inputChip = InputChip();
  inputChip = InputChip(
    deleteButtonTooltipMessage: 'Delete Tooltip',
  );
  inputChip.deleteButtonTooltipMessage;

  // Changes made in https://github.com/flutter/flutter/pull/96174
  RawChip rawChip = Rawchip();
  rawChip = RawChip(deleteButtonTooltipMessage: '');
  rawChip = RawChip();
  rawChip = RawChip(
    deleteButtonTooltipMessage: 'Delete Tooltip',
  );
  rawChip.deleteButtonTooltipMessage;

  // Change made in https://github.com/flutter/flutter/pull/100381
  SelectionOverlay.fadeDuration;

  // Changes made in https://github.com/flutter/flutter/pull/105291
  ButtonStyle elevationButtonStyle = ElevatedButton.styleFrom(
    foregroundColor: Colors.white, backgroundColor: Colors.blue, disabledForegroundColor: Colors.grey.withOpacity(0.38), disabledBackgroundColor: Colors.grey.withOpacity(0.12),
  );
  ButtonStyle outlinedButtonStyle = OutlinedButton.styleFrom(
    foregroundColor: Colors.blue, disabledForegroundColor: Colors.grey.withOpacity(0.38),
  );
  ButtonStyle textButtonStyle = TextButton.styleFrom(
    foregroundColor: Colors.blue, disabledForegroundColor: Colors.grey.withOpacity(0.38),
  );

  // Changes made in https://github.com/flutter/flutter/pull/78588
  final ScrollBehavior scrollBehavior = ScrollBehavior();
  scrollBehavior.buildOverscrollIndicator(context, child, axisDirection);
  final MaterialScrollBehavior materialScrollBehavior =
      MaterialScrollBehavior();
  materialScrollBehavior.buildOverscrollIndicator(context, child, axisDirection);

  // Changes made in https://github.com/flutter/flutter/pull/111706
  Scrollbar scrollbar = Scrollbar(trackVisibility: true);
  bool nowShowing = scrollbar.trackVisibility;
  // The 3 expressions below have `bulkApply` set to true thus can't be tested yet.
  //ScrollbarThemeData scrollbarTheme = ScrollbarThemeData(showTrackOnHover: nowShowing);
  //scrollbarTheme.copyWith(showTrackOnHover: nowShowing);
  //scrollbarTheme.showTrackOnHover;

  // Changes made in https://github.com/flutter/flutter/pull/114459
  MediaQuery.boldTextOf(context);

  // Changes made in https://github.com/flutter/flutter/pull/122555
  final ScrollableDetails details = ScrollableDetails(
    direction: AxisDirection.down,
    decorationClipBehavior: Clip.none,
  );
  final Clip clip = details.decorationClipBehavior;

  // Changes made in https://github.com/flutter/flutter/pull/134417
  const Curve curve = Easing.legacy;
  const Curve curve = Easing.legacyAccelerate;
  const Curve curve = Easing.legacyDecelerate;

  final PlatformMenuBar platformMenuBar = PlatformMenuBar(
    menus: <PlatformMenuItem>[],
    child: const SizedBox(),
  );
  final Widget bodyValue = platformMenuBar.child;

  // Changes made in https://github.com/flutter/flutter/pull/154972
  final InputBorder outlineBorder = WidgetStateInputBorder.resolveWith(
    (states) => const OutlineInputBorder(),
  );
  final InputBorder underlineBorder =
      WidgetStateInputBorder.resolveWith(
        (states) => const UnderlineInputBorder(),
      );

  // Changes made in https://github.com/flutter/flutter/pull/162223
  const SliderThemeData(showValueIndicator: ShowValueIndicator.onDrag);

  // Changes made in https://github.com/flutter/flutter/pull/166382
  Switch(activeThumbColor: Colors.red, value: false, onChanged: null);
  SwitchListTile(activeThumbColor: Colors.red, value: false, onChanged: null);
}