return o
}

func compact(o options) options {
	o.simple = true
	return o
}

// HandleFinalSigma specifies whether the special handling of Greek final sigma
// should be enabled. Unicode prescribes handling the Greek final sigma for all
// locales, but standards like IDNA and PRECIS override this default.
func HandleFinalSigma(enable bool) Option {
	if enable {
		return handleFinalSigma
	}

	watchEvents    chan *watchEvent
}

// NewSourceFile watches a config file for changes.
func NewSourceFile(path string, nodeName types.NodeName, period time.Duration, updates chan<- interface{}) {
	// "github.com/sigma/go-inotify" requires a path without trailing "/"
	path = strings.TrimRight(path, string(os.PathSeparator))

	config := newSourceFile(path, nodeName, period, updates)
	klog.V(1).InfoS("Watching path", "path", path)