@Override
  protected Set<String> getPKPropertyIds() {
    return pkPropertyIds;
  }
Returns the response for the active widget layout that should be returned for the active widget layout REST endpoint
@param layoutEntity {@link WidgetLayoutEntity}
@return  {@link ActiveWidgetLayoutResponse}
@throws SystemException
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/ActiveWidgetLayoutResourceProvider.java