Value:          float64(dtoMetric.Histogram.GetSampleCount()),
		}
		if limitBuckets && labels1["bucket"] != "" {
			buckets[labels1["bucket"]] = append(buckets[labels1["bucket"]], metric)
		} else {
			metrics = append(metrics, metric)
		}
	}

	// Limit bucket metrics...
	if limitBuckets {
		bucketNames := mapKeysSorted(buckets)