throw Components.interfaces.NS_NO_INTERFACE; 
throw Components.interfaces.NS_ERROR_NO_INTERFACE; 
   QueryInterface: function(outer, iid) {       if (iid.equals(CI.nsIWebDAVResource) ||           iid.equals(CI.nsISupports)) {           return this;       }              throw Components.interfaces.NS_NO_INTERFACE;   }
5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5459/48c89b2b54dda26174865ae3edff25eb542b5515/davshell.js/clean/extensions/webdav/tests/davshell.js