GroupChannelTotalUnreadChannelCountParams constructor Null safety

1. sendbird_sdk
2. group_channel_total_unread_channel_count_params
3. GroupChannelTotalUnreadChannelCountParams
4. GroupChannelTotalUnreadChannelCountParams constructor

GroupChannelTotalUnreadChannelCountParams class

1. Constructors
2. GroupChannelTotalUnreadChannelCountParams
3. Properties
4. customTypes
5. hashCode
6. runtimeType
7. superChannelFilter
8. Methods
9. noSuchMethod
10. toString
11. Operators
12. operator ==