void sig-with-gerror (GError error);
This signal is modeled after #GstDiscoverer::discovered, and is added to exercise the path of a GLib.Error being marshalled as a boxed type instead of an exception in the introspected language.
Use via and , or emit via the introspected language.
error
A GLib.Error if something went wrong internally in @self. You must not free this GLib.Error.
Returns