public void UnsubscribeToQuitButtonClicked(IQuitButtonClicked sub) => _quitButtonClickedSubscribers.Remove(sub);
public void SubscribeToQuitButtonClicked(IQuitButtonClicked sub) => _quitButtonClickedSubscribers.Add(sub);
public void UnsubscribeToQuitButtonClicked(IQuitButtonClicked sub) => _quitButtonClickedSubscribers.Remove(sub);
public void SubscribeToQuitButtonClicked(IQuitButtonClicked sub) => _quitButtonClickedSubscribers.Add(sub);