ert.length - 1].firstChild.textContent = bk_div.children[0].textContent
      }
      // store reference to server id on output_area
      output_area._bokeh_server_id = output.metadata[EXEC_MIME_TYPE]["server_id"];
    }
  }

  function register_renderer(events, OutputArea) {

    function append_mime(data, metadata, element) {
      // create a DOM node to render to
      const toinsert = this.create_output_subarea(
        metadata,
        CLASS_NAME,
        EXEC_MIME_TYPE
      );
      this.keyboard_