##### UnmodifiableMapView class

1. Constructors
2. UnmodifiableMapView
3. Properties
4. entries
5. hashCode
6. isEmpty
7. isNotEmpty
8. keys
9. length
10. runtimeType
11. values
12. Methods
13. cast
14. addAll
15. addEntries
16. clear
17. containsKey
18. containsValue
19. forEach
20. map
21. noSuchMethod
22. putIfAbsent
23. remove
24. removeWhere
25. toString
26. update
27. updateAll
28. Operators
29. operator ==
30. operator []
31. operator []=

# clear method

void clear ()

This operation is not supported by an unmodifiable map.

## Implementation

    void clear() {
      throw new UnsupportedError("Cannot modify unmodifiable map");
    }