PopupMenuItemState<T, W extends PopupMenuItem<T>> constructor Null safety

1. Flutter
2. material
3. PopupMenuItemState<T, W extends PopupMenuItem<T>>
4. PopupMenuItemState constructor

PopupMenuItemState class

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