code: @Override
      public boolean isPortletRenderHeaderRequested(
              IPortletWindowId portletWindowId,
              HttpServletRequest request,
              HttpServletResponse response) {
          final Map<IPortletWindowId, IPortletRenderExecutionWorker> portletRenderingMap =
                  this.getPortletHeaderRenderingMap(request);
          final IPortletRenderExecutionWorker tracker = portletRenderingMap.get(portletWindowId);
  
          return tracker != null;
      }
docs: /* (non-Javadoc)
  @see org.apereo.portal.portlet.rendering.IPortletExecutionManager#isPortletHeaderRenderRequested(org.apereo.portal.portlet.om.IPortletWindowId, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)