1. Constructors
2. new
3. badRequest
4. error
5. forbidden
6. fromJson
7. notFound
8. success
9. unauthorized
10. Properties
11. data
12. error
13. hashCode
14. message
15. runtimeType
16. statusCode
17. success
18. Methods
19. noSuchMethod
20. toJson
21. toString
22. Operators
23. operator ==