AuthRequestError constructor Null safety

1. conduit_core
2. conduit
3. AuthRequestError
4. AuthRequestError const constructor

AuthRequestError enum

1. Constructors
2. AuthRequestError
3. Values
4. invalidRequest
5. invalidClient
6. invalidGrant
7. invalidScope
8. unsupportedGrantType
9. unsupportedResponseType
10. unauthorizedClient
11. accessDenied
12. serverError
13. temporarilyUnavailable
14. invalidToken
15. Properties
16. hashCode
17. index
18. runtimeType
19. Methods
20. noSuchMethod
21. toString
22. Operators
23. operator ==
24. Constants
25. values