1. Constructors
2. new
3. Properties
4. body
5. collapsedWidth
6. footer
7. hashCode
8. header
9. key
10. onSidebarToggle
11. runtimeType
12. sidebar
13. sidebarCollapsed
14. sidebarWidth
15. Methods
16. asFocusable ^(ext)
17. asSemanticButton ^(ext)
18. asSemanticHeading ^(ext)
19. createElement
20. createState
21. debugDescribeChildren
22. debugFillProperties
23. excludeFromSemantics ^(ext)
24. mergeSemantics ^(ext)
25. noSuchMethod
26. toDiagnosticsNode
27. toString
28. toStringDeep
29. toStringShallow
30. toStringShort
31. withSemanticLabel ^(ext)
32. Operators
33. operator ==