// Canceling the parent context does not immediately cancel the HTTP server.
	// We only inherit context values here and deal with cancellation ourselves.
	stopHTTPServerCtx, stopHTTPServer := context.WithCancelCause(context.WithoutCancel(ctx))
	go func() {
		defer stopHTTPServer(errors.New("time to stop HTTP server"))

		timeToStopHttpServerCh := notAcceptingNewRequestCh.Signaled()
		if s.ShutdownSendRetryAfter {