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