1. Constructors
2. new
3. withCloseGuarantee
4. withGuarantees
5. Properties
6. hashCode
7. runtimeType
8. sink
9. stream
10. Methods
11. cast
12. changeSink
13. changeStream
14. noSuchMethod
15. pipe
16. toString
17. transform
18. transformSink
19. transformStream
20. Operators
21. operator ==