code: public void unmarshalling(Xdr xdr) throws RpcException {
          xdr.setOffset(0);
          _xid = xdr.getInt();
          _direction = xdr.getInt();
          _replyStatus = xdr.getInt();
          if (_replyStatus == ReplyStatus.MSG_ACCEPTED.getValue()) {
              xdr.skip(4);            // verifier flavor
              // byte[] verifier = x.xdr_bytes();
              xdr.getByteArray();
              _acceptStatus = xdr.getInt();
          } else {
              _rejectStatus = xdr.getInt();
          }
  
          checkRpcReply();
      }
docs: Load this structure from the response data, as specified by RFC 1831
  (https://tools.ietf.org/html/rfc1831).
  
  @param xdr
  The xdr response data.
  @throws RpcException