1. Properties
  2. closed
  3. expiration
  4. hashCode
  5. keyStatuses
  6. on
  7. onMessage
  8. runtimeType
  9. sessionId
  10. Methods
  11. addEventListener
  12. close
  13. dispatchEvent
  14. generateRequest
  15. load
  16. noSuchMethod
  17. remove
  18. removeEventListener
  19. toString
  20. Operators
  21. operator ==
  22. Constants
  23. messageEvent