1. Constructors
2. new
3. fromJson
4. Properties
5. defaultValue
6. flex
7. hashCode
8. hint
9. key
10. label
11. options
12. readOnly
13. required
14. runtimeType
15. type
16. validators
17. Methods
18. noSuchMethod
19. toJson
20. toString
21. Operators
22. operator ==