dbus-introspect-get-signaldbus-introspect-get-signal is a compiled Lisp function in `
dbus.el'. (dbus-introspect-get-signal BUS SERVICE PATH INTERFACE SIGNAL) Return signal SIGNAL of interface INTERFACE as XML object. It must be located at SERVICE in D-Bus BUS at object path PATH. SIGNAL must be a string, element of the list returned by `dbus-introspect-get-signal-names'. The resulting "signal" object can contain "arg" and "annotation" children.