1. Dart
2. dart:indexed_db
3. Index
4. unique property

##### Index class

1. Properties
2. hashCode
3. keyPath
4. multiEntry
5. name
6. objectStore
7. runtimeType
8. unique
9. Methods
10. count
11. get
12. getAll
13. getAllKeys
14. getKey
15. noSuchMethod
16. openCursor
17. openKeyCursor
18. toString
19. Operators
20. operator ==

description

# unique property Null safety

bool? unique

## Implementation

    bool? get unique native;