manager.xml

<!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.freedesktop.DBus.ObjectManager">
    <method name="GetManagedObjects">
      <arg type="a{oa{sa{sv}}}" name="object_paths_interfaces_and_properties" direction="out">
        <annotation name="com.trolltech.QtDBus.QtTypeName.Out0" value="DBUSManagerStruct"/>
      </arg>
    </method>
    <signal name="InterfacesAdded">
      <arg type="o" name="object_path"/>
      <arg type="a{sa{sv}}" name="interfaces_and_properties">
        <annotation name="com.trolltech.QtDBus.QtTypeName.In1" value="QVariantMapMap"/>
      </arg>
    </signal>
    <signal name="InterfacesRemoved">
      <arg type="o" name="object_path"/>
      <arg type="as" name="interfaces"/>
    </signal>
  </interface>
</node>