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

Index class

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

bool get unique native;