}

	for _, c := range cs {
		if err = sortCallback(c); err != nil {
			return
		}
	}

	for _, name := range sorted {
		if idx := getRIndex(names, name); !cs[idx].remove {
			fns = append(fns, cs[idx].handler)
		}
	}

	return
}

func removeCallbacks(cs []*callback, nameMap map[string]bool) []*callback {
	callbacks := make([]*callback, 0, len(cs))
	for _, callback := range cs {