1. Properties
  2. done
  3. hashCode
  4. hasListener
  5. isClosed
  6. isPaused
  7. onCancel
  8. onListen
  9. onPause
  10. onResume
  11. runtimeType
  12. sink
  13. stream
  14. Methods
  15. add
  16. addError
  17. addStream
  18. close
  19. noSuchMethod
  20. toString
  21. Operators
  22. operator ==