docs: public String getFragmentAdminURL(HttpServletRequest request) {
          IPortalUrlBuilder builder =
                  urlProvider.getPortalUrlBuilderByPortletFName(
                          request, PORTLET_FNAME_FRAGMENT_ADMIN_PORTLET, UrlType.RENDER);
          IPortletUrlBuilder portletUrlBuilder = builder.getTargetedPortletUrlBuilder();
          portletUrlBuilder.setPortletMode(PortletMode.VIEW);
          portletUrlBuilder.setWindowState(WindowState.MAXIMIZED);
  
          return builder.getUrlString();
      }