1. Constructors
2. CFriendshipRelationType
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. noSuchMethod
8. toString
9. Operators
10. operator ==
11. Constants
12. friendshipRelationTypeBothFriend
13. friendshipRelationTypeInMyFriendList
14. friendshipRelationTypeInOtherFriendList
15. friendshipRelationTypeNone