ManagedObject<T> constructor Null safety

1. conduit_core
2. conduit
3. ManagedObject<T>
4. ManagedObject constructor

ManagedObject class

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