1. Constructors
2. ChatPresenceManager
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. addEventHandler
8. clearEventHandlers
9. fetchPresenceStatus
10. fetchSubscribedMembers
11. getEventHandler
12. noSuchMethod
13. publishPresence
14. removeEventHandler
15. subscribe
16. toString
17. unsubscribe
18. Operators
19. operator ==