pub(crate) unsafe fn signal_chain_from_overridden(
instance: *mut GTypeInstance,
token: &SignalClassHandlerToken,
values: &[Value],
) -> Option<Value>
pub(crate) unsafe fn signal_chain_from_overridden(
instance: *mut GTypeInstance,
token: &SignalClassHandlerToken,
values: &[Value],
) -> Option<Value>