docs: private String changeclassValue(final String classValue) {
          final DitaClass cls = new DitaClass(classValue);
          if (cls.equals(MAP_LINKTEXT)) {
              return TOPIC_LINKTEXT.toString();
          } else if (cls.equals(MAP_SEARCHTITLE)) {
              return TOPIC_SEARCHTITLE.toString();
          } else if (cls.equals(MAP_SHORTDESC)) {
              return TOPIC_SHORTDESC.toString();
          } else {
              return cls.toString();
          }
      }