<mxfile modified="${modify_date}" type="device">
  <diagram name="${diagram_name}" id="${diagram_id}">
    <mxGraphModel dx="${grid_dx}" dy="${grid_dy}" grid="1" gridSize="${grid_size}" guides="1" tooltips="1" connect="1"
      arrows="1" fold="1" page="1" pageScale="1" pageWidth="${page_width}" pageHeight="${page_height}" math="0"
      shadow="0">
      <root>
        <mxCell id="0" />
        <mxCell id="1" parent="0" />
${diagram_content}
      </root>
    </mxGraphModel>
  </diagram>
</mxfile>