//  number, just return the truncated result and sleep the remainder server-side.
		tooManyRequests(r, w, strconv.Itoa(int(h.droppedRequests.GetRetryAfter(classification.PriorityLevelName))))
	}
}

// WithPriorityAndFairness limits the number of in-flight
// requests in a fine-grained way.
func WithPriorityAndFairness(
	handler http.Handler,