Metrooz.Models.NotificationManager.Deactivate C# (CSharp) Method

        public async Task Deactivate()
        {
            try
            {
                await _syncer.WaitAsync();
                if (_notificationTrigger != null)
                {
                    _notificationTrigger.Dispose();
                    _notificationTrigger = null;
                }
            }
            finally { _syncer.Release(); }
        }
        public async Task<bool> AllMarkAsRead()