public static LocalizedString TextOrDefault(string text, LocalizedString defaultValue)
 {
     if (string.IsNullOrEmpty(text))
         return defaultValue;
     return new LocalizedString(text);
 }
		public static void Information(this INotifier notifier, LocalizedString message, bool durable = true)
		{
			notifier.Add(NotifyType.Info, message, durable);
		}
		public static void Error(this INotifier notifier, LocalizedString message, bool durable = true)
		{
			notifier.Add(NotifyType.Error, message, durable);
		}
		public void Add(NotifyType type, LocalizedString message, bool durable = true)
		{
			_entries.Add(new NotifyEntry { Type = type, Message = message, Durable = durable });
		}