},
		[]string{priorityLevel},
	)
	ApiserverSeatDemands = NewTimingRatioHistogramVec(
		&compbasemetrics.TimingHistogramOpts{
			Namespace: namespace,
			Subsystem: subsystem,
			Name:      "demand_seats",
			Help:      "Observations, at the end of every nanosecond, of (the number of seats each priority level could use) / (nominal number of seats for that level)",
			// Rationale for the bucket boundaries:

    - `apiserver_flowcontrol_demand_seats_high_watermark`: High watermark, over last adjustment period, of demand_seats
    - `apiserver_flowcontrol_demand_seats_average`: Time-weighted average, over last adjustment period, of demand_seats
    - `apiserver_flowcontrol_demand_seats_stdev`: Time-weighted standard deviation, over last adjustment period, of demand_seats
    - `apiserver_flowcontrol_demand_seats_smoothed`: Smoothed seat demands