1. Constructors
2. new
3. Properties
4. color
5. formatValue
6. hashCode
7. height
8. key
9. label
10. max
11. min
12. orientation
13. ranges
14. runtimeType
15. showTicks
16. tickCount
17. value
18. width
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 ==