docs: private Element genEntityCommon(final Element root, final ResourceXMLParser.Entity entity) {
          final Element tag = root.addElement(entity.getResourceType());
          tag.addAttribute(COMMON_NAME, entity.getName());
          tag.addAttribute(COMMON_DESCRIPTION, notNull(entity.getProperty(COMMON_DESCRIPTION)));
          tag.addAttribute(COMMON_TAGS, notNull(entity.getProperty(COMMON_TAGS)));
          return tag;
      }