1. Constructors
  2. new
  3. Properties
  4. errors
  5. hashCode
  6. hasListeners
  7. isValid
  8. runtimeType
  9. Methods
  10. addListener
  11. clearErrors
  12. dispose
  13. getError
  14. noSuchMethod
  15. notifyListeners
  16. register
  17. removeListener
  18. reset
  19. setValue
  20. toString
  21. unregister
  22. validateAll
  23. validateField
  24. Operators
  25. operator ==