LongCatIsLooong 7b5462cc34
docImports for the widgets library (#152339)
https://github.com/flutter/flutter/issues/150800. The 2nd batch of `widgets` library `@docImport`s.

After this patch, in the `widgets` library:
```
Can not fully resolve ../../flutter/packages/flutter/lib/src/widgets/scroll_view.dart: (TargetPlatformVariant.mobile)
Can not fully resolve ../../flutter/packages/flutter/lib/src/widgets/_platform_selectable_region_context_menu_web.dart: (ui_web.platformViewRegistry.registerViewFactory)
Can not fully resolve ../../flutter/packages/flutter/lib/src/widgets/primary_scroll_controller.dart: (TargetPlatformVariant.mobile)
Can not fully resolve ../../flutter/packages/flutter/lib/src/widgets/selectable_region.dart: (material, WidgetTester.dragFrom)
Can not fully resolve ../../flutter/packages/flutter/lib/src/widgets/basic.dart: (ui.Gradient.linear)
Can not fully resolve ../../flutter/packages/flutter/lib/src/widgets/framework.dart: (Finder)
Can not fully resolve ../../flutter/packages/flutter/lib/src/widgets/draggable_scrollable_sheet.dart: (WidgetTester.pumpAndSettle)
Can not fully resolve ../../flutter/packages/flutter/lib/src/widgets/binding.dart: (WidgetTester.restartAndRestore, WidgetTester.pumpWidget, TestWidgetsFlutterBinding, testWidgets, TestWidgetsFlutterBinding.ensureInitialized)
Can not fully resolve ../../flutter/packages/flutter/lib/src/widgets/localizations.dart: (GlobalWidgetsLocalizations)
Can not fully resolve ../../flutter/packages/flutter/lib/src/widgets/scroll_controller.dart: (WidgetTester.pumpAndSettle)
Can not fully resolve ../../flutter/packages/flutter/lib/src/widgets/scrollbar.dart: (TargetPlatformVariant.desktop)
21 out-of-scope references in 11 files, 16 unique symbols were left unresolved.
```
2024-07-25 22:22:05 +00:00
..
2024-07-02 17:31:51 +00:00