iterator = destination.browse().iterator();
Filter filter = null; if (messageSelector != null) { filter = new Selector(messageSelector); } iterator = destination.browse(filter).iterator();
   ServerBrowserDelegate(String browserID,                         AbstractDestination destination,                         String messageSelector)   {           this.browserID = browserID;      this.messageSelector = messageSelector;          this.destination = destination;		iterator = destination.browse().iterator();   }