1. Constructors
2. new
3. Properties
4. hashCode
5. key
6. nowPlayingId
7. onDequeue
8. onEnqueue
9. onNext
10. queue
11. readOnly
12. runtimeType
13. songs
14. Methods
15. asFocusable ^(ext)
16. asSemanticButton ^(ext)
17. asSemanticHeading ^(ext)
18. createElement
19. createState
20. debugDescribeChildren
21. debugFillProperties
22. excludeFromSemantics ^(ext)
23. mergeSemantics ^(ext)
24. noSuchMethod
25. toDiagnosticsNode
26. toString
27. toStringDeep
28. toStringShallow
29. toStringShort
30. withSemanticLabel ^(ext)
31. Operators
32. operator ==