private void Awake()
 {
     startButton.OnClickAsAsyncEnumerable()
     .SubscribeAwaitThrottled(HandleStartClicked, 300, this.GetCancellationTokenOnDestroy());
     exitButton.OnClickAsAsyncEnumerable()
     .SubscribeAwaitThrottled(HandleExitClicked, 300, this.GetCancellationTokenOnDestroy());
 }