docs: @SuppressWarnings("deprecation")
      private int getSubsitemapType() throws CmsRpcException {
  
          try {
              return OpenCms.getResourceManager().getResourceType(
                  CmsResourceTypeFolderSubSitemap.TYPE_SUBSITEMAP).getTypeId();
          } catch (CmsLoaderException e) {
              error(e);
          }
          return CmsResourceTypeUnknownFolder.getStaticTypeId();
      }