livereload

type Handler struct {
	Upstream http.Handler

	// LogRequest will be called after an upstream request has been handled,
	// for example SingleLineLogger.
	LogRequest func(statusCode int, r *http.Request, duration time.Duration)

	// LogSlowResponse should return a channel which will be closed when the
	// response headers for the corresponding request are sent.
	// See SlowResponseLogger for instance.
	LogSlowResponse func(r *http.Request) chan<- struct{}
	// contains filtered or unexported fields
}