private static Request createRequest(Set<Map<String, Object>> properties, Map<String, String> requestInfoProperties, Set<String> propertyIds) {
    return new RequestImpl(propertyIds, properties, requestInfoProperties, null);
  }
@return {@code Optional} with the cluster's kerberos descriptor artifact if it exists, otherwise empty {@code Optional}
ambari-server/src/main/java/org/apache/ambari/server/topology/addservice/ResourceProviderAdapter.java