<node> <interface name="org.gnome.ScreenSaver"> <method name="Lock"/> <method name="GetActive"> <arg type="b" direction="out" name="active"/> </method> <method name="SetActive"> <arg type="b" direction="in" name="value"/> </method> <method name="GetActiveTime"> <arg type="u" direction="out" name="value"/> </method> <signal name="ActiveChanged"> <arg name="new_value" type="b"/> </signal> <signal name="WakeUpScreen"/> </interface> </node>