1. Constructors
2. V2TimConversationMarkType
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. noSuchMethod
8. toString
9. Operators
10. operator ==
11. Constants
12. V2TIM_CONVERSATION_MARK_TYPE_FOLD
13. V2TIM_CONVERSATION_MARK_TYPE_HIDE
14. V2TIM_CONVERSATION_MARK_TYPE_STAR
15. V2TIM_CONVERSATION_MARK_TYPE_UNREAD