ManagedAuthResourceOwner<T> constructor Null safety

1. conduit_core
2. conduit.managed_auth
3. ManagedAuthResourceOwner<T>
4. ManagedAuthResourceOwner constructor

ManagedAuthResourceOwner class

1. Constructors
2. ManagedAuthResourceOwner
3. Properties
4. backing
5. entity
6. hashCode
7. hashedPassword
8. id
9. modelFieldIncludeIfNull
10. properties
11. responseKeyProperties
12. runtimeType
13. salt
14. tokens
15. username
16. Methods
17. asMap
18. documentSchema
19. hasValueForProperty
20. mapKeyName
21. noSuchMethod
22. read
23. readFromMap
24. removePropertiesFromBackingMap
25. removePropertyFromBackingMap
26. toString
27. validate
28. willInsert
29. willUpdate
30. Operators
31. operator ==
32. operator []
33. operator []=