docs: function(options) {
          var request = _applyProps(options, {
              method: Xmla.METHOD_DISCOVER
          }, true);
          if (!request.requestType) {
            request.requestType = this.options.requestType;
          }
          if (!request.properties) {
            request.properties = {};
          }
          request.properties[Xmla.PROP_FORMAT] = Xmla.PROP_FORMAT_TABULAR;
          return this.request(request);
      }