1. Constructors
2. new
3. Properties
4. hashCode
5. key
6. runtimeType
7. Methods
8. asFocusable ^(ext)
9. asSemanticButton ^(ext)
10. asSemanticHeading ^(ext)
11. build
12. createElement
13. debugDescribeChildren
14. debugFillProperties
15. excludeFromSemantics ^(ext)
16. mergeSemantics ^(ext)
17. noSuchMethod
18. toDiagnosticsNode
19. toString
20. toStringDeep
21. toStringShallow
22. toStringShort
23. withSemanticLabel ^(ext)
24. Operators
25. operator ==