code: protected String getButtonName(String barItem, Map<String, String> buttonNamesLookUp) {
  
          String result = barItem;
          if (buttonNamesLookUp != null) {
              String translatedName = buttonNamesLookUp.get(barItem);
              if (CmsStringUtil.isNotEmpty(translatedName)) {
                  result = translatedName;
              }
          }
          return result;
      }
docs: Returns the real button name matched with the look up map.<p>
  
  If no value is found in the look up map, the button name is returned unchanged.<p>
  
  @param barItem the button bar item name to look up
  @param buttonNamesLookUp the look up map containing the button names and/or separator name to use
  @return the translated button name