NetworkManager/introspection/nm-dhcp6-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<node name="/">

  <!--
      org.freedesktop.NetworkManager.DHCP6Config:

      Options and configuration returned by the IPv6 DHCP server.
  -->
  <interface name="org.freedesktop.NetworkManager.DHCP6Config">
    <annotation name="org.gtk.GDBus.C.Name" value="Dhcp6Config"/>

    <!--
        Options:

        Configuration options returned by a DHCP server, if any.
    -->
    <property name="Options" type="a{sv}" access="read"/>

    <!--
        PropertiesChanged:
        @properties: A dictionary mapping property names to variant boxed values
    -->
    <signal name="PropertiesChanged">
      <arg name="properties" type="a{sv}"/>
    </signal>
  </interface>
</node>