public static Request getCreateRequest(Set<Map<String, Object>> properties,
                                         Map<String, String> requestInfoProperties) {
    return new RequestImpl(null, properties, requestInfoProperties, null);
  }
Factory method to create a create request from the given set of property maps.
Each map contains the properties to be used to create a resource.  Multiple maps in the
set should result in multiple creates.

@param properties             resource properties associated with the request; may be null
@param requestInfoProperties  request specific properties; may be null
ambari-server/src/main/java/org/apache/ambari/server/controller/utilities/PropertyHelper.java