1. Dart
2. dart:developer
3. UserTag
4. UserTag factory constructor

##### UserTag class

1. Constructors
2. UserTag
3. Properties
4. label
5. hashCode
6. runtimeType
7. Methods
8. makeCurrent
9. noSuchMethod
10. toString
11. Operators
12. operator ==
13. Static properties
14. defaultTag
15. Constants
16. MAX_USER_TAGS

# UserTag constructor

UserTag(String label)

## Implementation

    external factory UserTag(String label);