docs: function (res) {
              var reqId = res.tId;
              var conf = this.xdrRequests[reqId];
  
              var xhrObject = this._transport, callback = conf.callback;
  
              if (res.statusText === "xdr:start") {
                  return this._xdrStart(xhrObject, callback);
              } else {
                  // Delete the request only if we're not in xdr:start
                  delete this.xdrRequests[reqId];
              }
  
              res.responseText = decodeURI(res.responseText);
              res.reqId = reqId;
  
              this._handleTransactionResponse(reqId, res, callback);
          }