code: public List<Locale> getComparisonLocales() {
  
          CmsObject cms = A_CmsUI.getCmsObject();
          cms.getLocaleGroupService();
          List<Locale> result = CmsLocaleGroupService.getPossibleLocales(cms, m_currentRoot);
          return result;
      }
docs: Gets the locales selectable as comparison locales.<p>
  
  @return the possible comparison locales