Calls the original class closure of a signal. This function should only
be called from an overridden class closure; see
g_signal_override_class_closure() and
g_signal_override_class_handler().
Parameters
instance_and_params: any[]
the argument list of the signal emission. The first element in the array is a GObject.Value for the instance the signal is being emitted on. The rest are any arguments to be passed to the signal.
Calls the original class closure of a signal. This function should only be called from an overridden class closure; see
g_signal_override_class_closure()andg_signal_override_class_handler().