// This conversion may lose precision.
func (ss SeatSeconds) ToFloat() float64 {
	return float64(ss) / ssScale
}

// DurationPerSeat returns duration per seat.
// This division may lose precision.
func (ss SeatSeconds) DurationPerSeat(seats float64) time.Duration {
	return time.Duration(float64(ss) / seats * (float64(time.Second) / ssScale))
}

// String converts to a string.

		{ss: SeatsTimesDuration(13, 5*time.Millisecond), seats: 5, expect: 13 * time.Millisecond},
		{ss: SeatsTimesDuration(12, 0), seats: 10, expect: 0},
	}
	for _, testCase := range testCases {
		actualDuration := testCase.ss.DurationPerSeat(testCase.seats)
		if actualDuration != testCase.expect {
			t.Errorf("DurationPerSeats returned %v rather than expected %q", actualDuration, testCase.expect)
		}
	}

		//
		// TODO: Confirm that the current cap of maximumSeats allow us to
		//   achieve the above.
		if finalSeats > maxSeats {
			finalSeats = maxSeats
		}
		additionalLatency = finalWork.DurationPerSeat(float64(finalSeats))
	}

	return WorkEstimate{
		InitialSeats:      1,
		FinalSeats:        finalSeats,
		AdditionalLatency: additionalLatency,
	}
}

	if oldestReqFromMinQueue.workEstimate.FinalSeats > uint64(qs.dCfg.ConcurrencyLimit) {
		finalSeats := uint64(qs.dCfg.ConcurrencyLimit)
		additionalLatency := oldestReqFromMinQueue.workEstimate.finalWork.DurationPerSeat(float64(finalSeats))
		oldestReqFromMinQueue.workEstimate.FinalSeats = finalSeats
		oldestReqFromMinQueue.workEstimate.AdditionalLatency = additionalLatency
	}