function renderPickingTicketAsXml(orders) {
    return orders.map(orderId => {
      return render
        .pickingTicket({
          entityId: Number(orderId),
          printMode: render.PrintMode.HTML,
        })
        .getContents()
        .replace('<?xml version="1.0"?>', '')
        .replace('<!DOCTYPE pdf PUBLIC "-//big.faceless.org//report" "report-1.1.dtd">', '')
        .replace('<html>', '<pdf>')
        .replace('</html>', '</pdf>');
    });
  }