code: public void marshalling(Xdr xdr) {
          super.marshalling(xdr);
          _attributes.marshalling(xdr);
          if (_guardTime == null) {
              xdr.putBoolean(false);
          } else {
              xdr.putBoolean(true);
              _guardTime.marshalling(xdr);
          }
      }
docs: /*
  (non-Javadoc)
  
  @see com.emc.ecs.nfsclient.nfs.NfsRequestBase#marshalling(com.emc.ecs.
  nfsclient.rpc.Xdr)