1. Constructors
2. new
3. Properties
4. first
5. hashCode
6. isEmpty
7. isNotEmpty
8. length
9. runtimeType
10. unorderedElements
11. Methods
12. add
13. addAll
14. clear
15. contains
16. noSuchMethod
17. remove
18. removeAll
19. removeFirst
20. toList
21. toSet
22. toString
23. toUnorderedList
24. Operators
25. operator ==