ss     SeatSeconds
		seats  float64
		expect time.Duration
	}{
		{ss: SeatsTimesDuration(10, time.Second), seats: 1, expect: 10 * time.Second},
		{ss: SeatsTimesDuration(1, time.Second), seats: 10, expect: 100 * time.Millisecond},
		{ss: SeatsTimesDuration(13, 5*time.Millisecond), seats: 5, expect: 13 * time.Millisecond},
		{ss: SeatsTimesDuration(12, 0), seats: 10, expect: 0},
	}
	for _, testCase := range testCases {

			queues: []*queue{
				{
					nextDispatchR: fcrequest.SeatsTimesDuration(1, 200*time.Second),
					requestsWaiting: newFIFO(
						&request{workEstimate: qs0.completeWorkEstimate(&fcrequest.WorkEstimate{InitialSeats: 1})},
					),
					requestsExecuting: sets.New[*request](),
				},
				{
					nextDispatchR: fcrequest.SeatsTimesDuration(1, 100*time.Second),
					requestsWaiting: newFIFO(

// SeatsTimeDuration produces the SeatSeconds value for the given factors.
// This is intended only to produce small values, increments in work
// rather than amount of work done since process start.
func SeatsTimesDuration(seats float64, duration time.Duration) SeatSeconds {
	return SeatSeconds(int64(math.Round(seats * float64(duration/time.Nanosecond) / (1e9 / ssScale))))
}

// ToFloat converts to a floating-point representation.

	}
}

func (qs *queueSet) computeInitialWork(we *fcrequest.WorkEstimate) fcrequest.SeatSeconds {
	return fcrequest.SeatsTimesDuration(float64(we.InitialSeats), qs.estimatedServiceDuration)
}

func (qs *queueSet) computeFinalWork(we *fcrequest.WorkEstimate) fcrequest.SeatSeconds {
	return fcrequest.SeatsTimesDuration(float64(we.FinalSeats), we.AdditionalLatency)
}

func (q *queue) dumpLocked(includeDetails bool) debug.QueueDump {

		//   events are equal and try to estimate the cost of a single event based on
		//   some historical data about size of events.
		finalSeats = uint64(math.Ceil(float64(watchCount) / e.config.WatchesPerSeat))
		finalWork := SeatsTimesDuration(float64(finalSeats), e.config.eventAdditionalDuration())

		// While processing individual events is highly parallel,
		// the design/implementation of P&F has a couple limitations that

func (qs *queueSet) syncTimeLocked(ctx context.Context) {
	realNow := qs.clock.Now()
	timeSinceLast := realNow.Sub(qs.lastRealTime)
	qs.lastRealTime = realNow
	prevR := qs.currentR
	incrR := fqrequest.SeatsTimesDuration(qs.getVirtualTimeRatioLocked(), timeSinceLast)
	qs.currentR = prevR + incrR
	switch {
	case prevR > qs.currentR: