UserEventHandler constructor

1. sendbird_chat_sdk
2. sendbird_chat
3. UserEventHandler
4. UserEventHandler constructor

UserEventHandler class

1. Constructors
2. UserEventHandler
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. noSuchMethod
8. onFriendsDiscovered
9. onTotalUnreadMessageCountChanged
10. onTotalUnreadMessageCountUpdated
11. toString
12. Operators
13. operator ==