1. Constructors
2. new
3. Properties
4. enabled
5. errorText
6. hashCode
7. hint
8. key
9. label
10. maxLength
11. maxLines
12. minLines
13. onChanged
14. readOnly
15. resizable
16. runtimeType
17. showCounter
18. value
19. Methods
20. asFocusable ^(ext)
21. asSemanticButton ^(ext)
22. asSemanticHeading ^(ext)
23. build
24. createElement
25. debugDescribeChildren
26. debugFillProperties
27. excludeFromSemantics ^(ext)
28. mergeSemantics ^(ext)
29. noSuchMethod
30. toDiagnosticsNode
31. toString
32. toStringDeep
33. toStringShallow
34. toStringShort
35. withSemanticLabel ^(ext)
36. Operators
37. operator ==