docs: protected List<Format> getAdditionalFormats(
          CmsObject cms,
          I_CmsXmlContentLocation location,
          CmsResource functionRes) {
  
          List<I_CmsXmlContentValueLocation> locations = location.getSubValues("AdditionalFormat");
          List<Format> formats = new ArrayList<Format>();
          for (I_CmsXmlContentValueLocation formatLocation : locations) {
              Format format = parseAdditionalFormat(cms, formatLocation, functionRes);
              formats.add(format);
          }
          return formats;
  
      }