Date versDateTime) throws ServerException {
// use REST serializer
Server fedoraServer = Server.getInstance(new File(Constants.FEDORA_HOME), false);
String fedoraServerHost = fedoraServer.getParameter("fedoraServerHost");
DefaultSerializer ser = new DefaultSerializer(fedoraServerHost, m_context);
return ser.objectMethodsToXml(methods, PID, null, versDateTime);
}