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

     2 <node>

     3 	<interface name="org.freedesktop.UPower">

     4 		<method name="EnumerateDevices">

     5 			<annotation name="org.freedesktop.DBus.GLib.Async" value=""/>

     6 			<arg type="ao" name="devices" direction="out"/>

     7 		</method>

     8 	</interface>

     9 	

    10 	<interface name="org.freedesktop.UPower.Device">

    11 		<property type="d" name="Percentage" access="read"/>

    12 	</interface>

    13 </node>