NIMTeamBeInviteModeEnum constructor Null safety

1. nim_core
2. nim_core
3. NIMTeamBeInviteModeEnum
4. NIMTeamBeInviteModeEnum const constructor

NIMTeamBeInviteModeEnum enum

1. Constructors
2. NIMTeamBeInviteModeEnum
3. Values
4. needAuth
5. noAuth
6. Properties
7. hashCode
8. index
9. runtimeType
10. Methods
11. noSuchMethod
12. toString
13. Operators
14. operator ==
15. Constants
16. values