public Object getResponse() {
      return response;
    }
OperationStatusMetaData is data to return as the status of an operation invoked on a set of resources
while processing a REST API request.
<p>
Zero or more results may be set as part of the data.
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/OperationStatusMetaData.java