// The numerator is set/changed through the Gauge methods,
// and the denominator can be updated through the SetDenominator method.
// A ratio is tracked whenever the numerator or denominator is set/changed.
type RatioedGauge interface {
	Gauge

	// SetDenominator sets the denominator to use until it is changed again
	SetDenominator(float64)
}

// RatioedGaugeVec creates related observers that are

		if nonMutatingLimit != 0 {
			watermark.readOnlyObserver.SetDenominator(float64(nonMutatingLimit))
			klog.V(2).InfoS("Set denominator for readonly requests", "limit", nonMutatingLimit)
		}
		if mutatingLimit != 0 {
			watermark.mutatingObserver.SetDenominator(float64(mutatingLimit))
			klog.V(2).InfoS("Set denominator for mutating requests", "limit", mutatingLimit)
		}
	})
}

	trh.Add(-1)
}

func (trh *timingRatioHistogramInner) SetToCurrentTime() {
	trh.Set(float64(trh.nowFunc().Sub(time.Unix(0, 0))))
}

func (trh *timingRatioHistogramInner) SetDenominator(denominator float64) {
	trh.Lock()
	defer trh.Unlock()
	trh.denominator = denominator
	ratio := trh.numerator / denominator
	trh.getGaugeOfRatio().Set(ratio)
}