start method
void
start(})
override
Implementation
@override
void start(void Function(Uint8List data) onDataReceived, {void Function()? onDone, void Function(Object? error)? onError}) {
if (subscription != null) {
throw Exception("Already started");
}
subscription = input.listen(onDataReceived, onError: onError, onDone: onDone, cancelOnError: true);
}