<!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.login1.Session">

  <property name="Active" type="b" access="read">
  </property>

  <signal name="Lock">
  </signal>
  <signal name="Unlock">
  </signal>
 </interface>
</node>