message NodeSystemInfo {
  // MachineID reported by the node. For unique machine identification
  // in the cluster this field is preferred. Learn more from man(5)
  // machine-id: http://man7.org/linux/man-pages/man5/machine-id.5.html
  optional string machineID = 1;

  // SystemUUID reported by the node. For unique machine identification

  </mime-type>

  <mime-type type="text/troff">
    <_comment>Roff/nroff/troff/groff Unformatted Manual Page (UNIX)</_comment>
    <alias type="application/x-troff"/>
    <alias type="application/x-troff-man"/>
    <alias type="application/x-troff-me"/>
    <alias type="application/x-troff-ms"/>
    <magic priority="50">
      <match value=".\\&quot;" type="string" offset="0"/>