public void Detach(IPushNotifiction pushNotifiction) { if (_pushsNotifictions.Contains(pushNotifiction)) { _pushsNotifictions.Remove(pushNotifiction); } }
public void Attach(IPushNotifiction pushNotifiction) { if (!_pushsNotifictions.Contains(pushNotifiction)) { _pushsNotifictions.Add(pushNotifiction); } }