static generateExponentialBuckets(start, factor, count) {
		const buckets = [];
		for (let i = 0; i < count; i++) buckets[i] = start * Math.pow(factor, i);

		return buckets;
	}
Generate exponential buckets

@static
@param {Number} start
@param {Number} factor
@param {Number} count
@returns {Array<Number>}
@memberof HistogramMetric