| // Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.9 |
| |
| void main() { |
| ContentTabsWidget(); |
| } |
| |
| class StatefulWidget {} |
| |
| class State<T> {} |
| |
| class WidgetsBindingObserver {} |
| |
| class IBase {} |
| |
| class ContentTabsWidget extends BaseStatefulWidget<ContentTabsState, dynamic> {} |
| |
| class ContentTabsState<W extends ContentTabsWidget> |
| extends BaseState<W, dynamic> {} |
| |
| class BaseStatefulWidget<ST extends SuperState, T> |
| extends SuperStatefulWidget<ST, T, IBase> {} |
| |
| class BaseState<W extends StatefulWidget, T> extends SuperState<W, T, IBase> {} |
| |
| class SuperStatefulWidget<S extends SuperState, T, B> extends StatefulWidget {} |
| |
| class SuperState<W extends StatefulWidget, T, B> extends State<W> |
| with WidgetsBindingObserver {} |