docs: public static String getDisplayType(CmsObject cms, CmsResource resource) {
  
          String result;
          if (CmsJspNavBuilder.isNavLevelFolder(cms, resource)) {
              result = CmsGwtConstants.TYPE_NAVLEVEL;
          } else if (CmsResourceTypeXmlContainerPage.isModelCopyGroup(cms, resource)) {
              result = CmsGwtConstants.TYPE_MODELGROUP_COPY;
          } else {
              result = OpenCms.getResourceManager().getResourceType(resource).getTypeName();
          }
          return result;
      }