code: public void unmarshalling(Xdr xdr) throws RpcException {
          super.unmarshalling(xdr);
          _fromDirectoryWccData = new NfsWccData(xdr);
          _toDirectoryWccData = new NfsWccData(xdr);
      }
docs: /*
  (non-Javadoc)
  
  @see com.emc.ecs.nfsclient.nfs.NfsResponseBase#unmarshalling(com.emc.ecs.
  nfsclient.rpc.Xdr)