Disconnector<T> constructor Null safety

1. Flutter
2. stream_channel
3. Disconnector<T>
4. Disconnector constructor

Disconnector class

1. Constructors
2. Disconnector
3. Properties
4. hashCode
5. isDisconnected
6. runtimeType
7. Methods
8. bind
9. disconnect
10. noSuchMethod
11. toString
12. Operators
13. operator ==