return service.query(xpath);
return (sortBy == null) ? service.query(xpath) : service.query(xpath, sortBy);
	private final ResourceSet find(String xpath) throws XMLDBException {		XPathQueryService service =			(XPathQueryService) current.getService("XPathQueryService", "1.0");		service.setProperty("pretty", properties.getProperty("indent"));		service.setProperty("encoding", properties.getProperty("encoding"));		return service.query(xpath);	}