code: function(request, xdrResult) {
          var me = this,
              options = request.options,
              result,
              success,
              response;
  
          try {
              result = me.parseStatus(request.xhr.status);
          } catch (e) {
              // in some browsers we can't access the status if the readyState is not 4, so the request has failed
              result = {
                  success : false,
                  isException : false
              };
  
          }
          success = me.isXdr ? xdrResult : result.success;
  
          if (success) {
              response = me.createResponse(request);
              me.fireEvent('requestcomplete', me, response, options);
              Ext.callback(options.success, options.scope, [response, options]);
          } else {
              if (result.isException || request.aborted || request.timedout) {
                  response = me.createException(request);
              } else {
                  response = me.createResponse(request);
              }
              me.fireEvent('requestexception', me, response, options);
              Ext.callback(options.failure, options.scope, [response, options]);
          }
          Ext.callback(options.callback, options.scope, [options, success, response]);
          delete me.requests[request.id];
          return response;
      }
docs: To be called when the request has come back from the server
  @private
  @param {Object} request
  @return {Object} The response