datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">

  <start>

      <ref name="attribute-options"/>

  </start>

  <define name="attribute-options">

    <externalRef href="versions.rng"/>

    <optional>

      <attribute name="crm_feature_set"><text/></attribute>

    </optional>

    <optional>

      <attribute name="remote-tls-port"><data type="nonNegativeInteger"/></attribute>

    </optional>

    <optional>

      <attribute name="remote-clear-port"><data type="nonNegativeInteger"/></attribute>

    </optional>

    <optional>

      <attribute name="have-quorum"><data type="boolean"/></attribute>

    </optional>

    <optional>

      <attribute name="dc-uuid"><text/></attribute>

    </optional>

    <optional>

      <attribute name="cib-last-written"><text/></attribute>

    </optional>

    <optional>

      <attribute name="no-quorum-panic"><data type="boolean"/></attribute>

    </optional>

    <optional>

      <attribute name="update-origin"><text/></attribute>

    </optional>

    <optional>

      <attribute name="update-client"><text/></attribute>

    </optional>

    <optional>

      <attribute name="update-user"><text/></attribute>

    </optional>

    <optional>

      <attribute name="execution-date"><text/></attribute>

    </optional>

  </define>

</grammar>