// Report single dropped requests in multiple PLs.
	// Validate if RetryAfter isn't bumped next second.
	for i := 0; i < 10; i++ {
		tracker.RecordDroppedRequest(fmt.Sprintf("pl-%d", i))
	}
	fakeClock.Step(time.Second)
	for i := 0; i < 10; i++ {
		tracker.RecordDroppedRequest(fmt.Sprintf("pl-%d", i))
		retryAfter := tracker.GetRetryAfter(fmt.Sprintf("pl-%d", i))
		if retryAfter != 1 {

// a history od dropped requests in the system for the purpose
// of adjusting RetryAfter header to avoid system overload.
type DroppedRequestsTracker interface {
	// RecordDroppedRequest records a request that was just
	// dropped from processing.
	RecordDroppedRequest(plName string)

	// GetRetryAfter returns the current suggested value of
	// RetryAfter value.
	GetRetryAfter(plName string) int64
}

						if group == user.SystemPrivilegedGroup {
							handler.ServeHTTP(w, r)
							return
						}
					}
				}
				// We need to split this data between buckets used for throttling.
				metrics.RecordDroppedRequest(r, requestInfo, metrics.APIServerComponent, isMutatingRequest)
				metrics.RecordRequestTermination(r, requestInfo, metrics.APIServerComponent, http.StatusTooManyRequests)
				tooManyRequests(r, w, retryAfter)
			}
		}