diff -r cfb5f62ea048 -r 642f32f76c9d d-bus/org.freedesktop.UPower.xml
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/d-bus/org.freedesktop.UPower.xml	Wed Sep 04 19:41:21 2019 +0200
@@ -0,0 +1,13 @@
+<!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.UPower">
+		<method name="EnumerateDevices">
+			<annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
+			<arg type="ao" name="devices" direction="out"/>
+		</method>
+	</interface>
+	
+	<interface name="org.freedesktop.UPower.Device">
+		<property type="d" name="Percentage" access="read"/>
+	</interface>
+</node>