<node> <interface name="org.freedesktop.DBus"> <method name="ListNames"> <arg type="as" direction="out" name="names"/> </method> <method name="GetConnectionUnixProcessID"> <arg type="s" direction="in"/> <arg type="u" direction="out"/> </method> <signal name="NameOwnerChanged"> <arg type="s" direction="out" name="name"/> <arg type="s" direction="out" name="oldOwner"/> <arg type="s" direction="out" name="newOwner"/> </signal> </interface> </node>