te("repeated-headers")) {
                const sourceTable = this.chunker.source.querySelector("[data-ref='" + ref + "']");
                this.repeatColgroup(sourceTable, renderedTable);
                this.repeatTHead(sourceTable, renderedTable);
                renderedTable.setAttribute("repeated-headers", true);
              }
            }
          });
        }

        repeatColgroup(sourceTable, renderedTable) {
          let colgroup = sourceTable.querySelectorAll("colgroup");
          let f