code: protected String buildLiveFirstLink() {
          InternalStringBuilder builder = new InternalStringBuilder();
          AbstractRenderAppender appender = new StringBuilderRenderAppender(builder);
  
          buildAnchor(appender, _gridModel.getUrlBuilder().getQueryParamsForFirstPage(), IDataGridMessageKeys.PAGER_MSG_FIRST);
  
          return builder.toString();
      }
docs: Build an HTML anchor that contains URL state for navigating to the first page of a data set.
  @return the HTML markup for anchor to the first page