1. Constructors
2. new
3. Properties
4. child
5. color
6. elevation
7. footer
8. hashCode
9. headerActions
10. headerIcon
11. key
12. onTap
13. padding
14. runtimeType
15. subtitle
16. title
17. Methods
18. asFocusable ^(ext)
19. asSemanticButton ^(ext)
20. asSemanticHeading ^(ext)
21. build
22. createElement
23. debugDescribeChildren
24. debugFillProperties
25. excludeFromSemantics ^(ext)
26. mergeSemantics ^(ext)
27. noSuchMethod
28. toDiagnosticsNode
29. toString
30. toStringDeep
31. toStringShallow
32. toStringShort
33. withSemanticLabel ^(ext)
34. Operators
35. operator ==