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