private function writeLegacyDrawing(XMLWriter $objWriter, PhpspreadsheetWorksheet $pSheet)
    {
        // If sheet contains comments, add the relationships
        if (count($pSheet->getComments()) > 0) {
            $objWriter->startElement('legacyDrawing');
            $objWriter->writeAttribute('r:id', 'rId_comments_vml1');
            $objWriter->endElement();
        }
    }