AnimatedWidgetBaseState<T extends ImplicitlyAnimatedWidget> constructor Null safety

1. Flutter
2. widgets
3. AnimatedWidgetBaseState<T extends ImplicitlyAnimatedWidget>
4. AnimatedWidgetBaseState constructor

AnimatedWidgetBaseState class

1. Constructors
2. AnimatedWidgetBaseState
3. Properties
4. animation
5. context
6. controller
7. hashCode
8. mounted
9. runtimeType
10. widget
11. Methods
12. activate
13. build
14. createTicker
15. deactivate
16. debugFillProperties
17. didChangeDependencies
18. didUpdateTweens
19. didUpdateWidget
20. dispose
21. forEachTween
22. initState
23. noSuchMethod
24. reassemble
25. setState
26. toDiagnosticsNode
27. toString
28. toStringShort
29. Operators
30. operator ==