1. Dart
2. dart:indexed_db
3. KeyRange
4. includes method

KeyRange class

1. Constructors
2. bound
3. lowerBound
4. only
5. upperBound
6. Properties
7. lower
8. lowerOpen
9. upper
10. upperOpen
11. hashCode
12. runtimeType
13. Methods
14. includes
15. noSuchMethod
16. toString
17. Operators
18. operator ==
19. Static methods
20. bound_
21. lowerBound_
22. only_
23. upperBound_

bool includes(Object key) native;