<!DOCTYPE node PUBLIC
'-//freedesktop//DTD D-BUS Object Introspection 1.0//EN'
'http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd'>
<node>

  <interface name="org.gnome.Mutter.ServiceChannel">

    <!--
        ServiceClientTypes:
           PORTAL_BACKEND: 1
    -->
    <method name="OpenWaylandServiceConnection">
      <arg name="service_client_type" type="u" direction="in" />
      <annotation name="org.gtk.GDBus.C.UnixFD" value="true"/>
      <arg name="fd" type="h" direction="out" />
    </method>

  </interface>

</node>