# dividerRepository method Null safety

DividerRepository? dividerRepository(

1. String? appId

)

## Implementation

    DividerRepository? dividerRepository(String? appId);

1. eliud_pkg_fundamentals
2. abstract_repository_singleton
3. AbstractRepositorySingleton
4. dividerRepository abstract method

##### AbstractRepositorySingleton class

1. Constructors
2. AbstractRepositorySingleton
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. bookletRepository
8. decoratedContentRepository
9. dividerRepository
10. documentRepository
11. dynamicWidgetRepository
12. faderRepository
13. flush
14. gridRepository
15. noSuchMethod
16. presentationRepository
17. simpleImageRepository
18. simpleTextRepository
19. toString
20. tutorialRepository
21. Operators
22. operator ==
23. Static properties
24. collections
25. singleton