/// <summary>Process System Deleted Notification.</summary>
        /// <param name="systemId">The onboard system identifier.</param>
        public void OnSystemDeletedNotification(string systemId)
        {
            lock (_lock)
            {
                _localDataStorage.OnSystemDeleted(systemId);

                var lEvent = new SystemDeletedNotificationArgs();
                lEvent.SystemId = systemId;

                _notifierTarget.RaiseOnSystemDeletedNotificationEvent(lEvent);
            }
        }