+#define BUS_PEER_INTERFACE \
+ "<interface name=\"org.freedesktop.DBus.Peer\">\n" \
+ " <method name=\"Ping\"/>\n" \
+ " <method name=\"GetMachineId\">\n" \
+ " <arg type=\"s\" name=\"machine_uuid\" direction=\"out\"/>\n" \
+ " </method>\n" \
+ "</interface>\n"
+