docs: protected String createDialogRowsHtml(int startIndex, int endIndex) {
  
          StringBuffer result = new StringBuffer((endIndex - startIndex) * 8);
          for (int i = startIndex; i <= endIndex; i++) {
              CmsWidgetDialogParameter base = getWidgets().get(i);
              result.append(createDialogRowHtml(base));
          }
          return result.toString();
      }