requestsWaiting: newFIFO(
						&request{workEstimate: qs0.completeWorkEstimate(&fcrequest.WorkEstimate{InitialSeats: 1})},
					),
					requestsExecuting: sets.New[*request](),
				},
				{
					nextDispatchR: fcrequest.SeatsTimesDuration(1, 100*time.Second),
					requestsWaiting: newFIFO(
						&request{workEstimate: qs0.completeWorkEstimate(&fcrequest.WorkEstimate{InitialSeats: 1})},
					),
				},
			},

	TotalWorkSum fcrequest.SeatSeconds
}

func (req *request) totalWork() fcrequest.SeatSeconds {
	return req.workEstimate.totalWork
}

func (qs *queueSet) completeWorkEstimate(we *fcrequest.WorkEstimate) completedWorkEstimate {
	finalWork := qs.computeFinalWork(we)
	return completedWorkEstimate{
		WorkEstimate: *we,
		totalWork:    qs.computeInitialWork(we) + finalWork,

		}
	}

	newRequest := func(initialSeats, finalSeats uint64, additionalLatency time.Duration) *request {
		return &request{workEstimate: qs.completeWorkEstimate(&fcrequest.WorkEstimate{
			InitialSeats:      initialSeats,
			FinalSeats:        finalSeats,
			AdditionalLatency: additionalLatency,
		})}
	}
	arrival := []*request{
		newRequest(1, 3, time.Second),

		arrivalR:          qs.currentR,
		queue:             queue,
		descr1:            descr1,
		descr2:            descr2,
		queueNoteFn:       queueNoteFn,
		workEstimate:      qs.completeWorkEstimate(workEstimate),
	}
	if ok := qs.rejectOrEnqueueToBoundLocked(req); !ok {
		return nil
	}
	metrics.ObserveQueueLength(ctx, qs.qCfg.Name, fsName, queue.requestsWaiting.Length())
	return req
}