SynchronousStreamController<T> constructor Null safety

1. Dart
2. dart:async
3. SynchronousStreamController<T>
4. SynchronousStreamController constructor

SynchronousStreamController class

1. Constructors
2. SynchronousStreamController
3. Properties
4. done
5. hashCode
6. hasListener
7. isClosed
8. isPaused
9. onCancel
10. onListen
11. onPause
12. onResume
13. runtimeType
14. sink
15. stream
16. Methods
17. add
18. addError
19. addStream
20. close
21. noSuchMethod
22. toString
23. Operators
24. operator ==