code: public boolean isMarkedNoTranslation(Set<Locale> locales) {
  
          if (m_noTranslation == null) {
              return false;
          }
          List<Locale> noTranslationLocales = CmsLocaleManager.getLocales(m_noTranslation);
          for (Locale locale : noTranslationLocales) {
              if (locales.contains(locale)) {
                  return true;
              }
          }
          return false;
      }
docs: Checks if the locale group is marked as not translatable for any of the given locales.<p>
  
  @param locales a set of locales
  @return true if the locale group is marked as not translatable for any of the  given resources