1. Constructors
2. new
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. collapseAll
8. collapseNode
9. expandAll
10. expandNode
11. getActiveIndexFor
12. getNodeFor
13. isActive
14. isExpanded
15. noSuchMethod
16. toggleNode
17. toString
18. Operators
19. operator ==
20. Static methods
21. maybeOf
22. of