pause method
void
pause()
Pauses the active stream if it's currently listening.
Implementation
void pause() {
throwIfDisposed('pause stream');
MinixErrorHandler.safeExecute(() {
if (_subscription != null && !_subscription!.isPaused) {
_subscription!.pause();
_state.value = StreamState.paused;
}
}, context: 'StreamObservable.pause');
}