MessageCollectionHandler constructor

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

MessageCollectionHandler class

1. Constructors
2. MessageCollectionHandler
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. noSuchMethod
8. onChannelDeleted
9. onChannelUpdated
10. onHugeGapDetected
11. onMessagesAdded
12. onMessagesDeleted
13. onMessagesUpdated
14. toString
15. Operators
16. operator ==