VariableLabels: labels,
				Value:          float64(b.GetCumulativeCount()),
			}
			metrics = append(metrics, metric)
		}
		// add metrics with +Inf label
		labels1 := make(map[string]string)
		for _, lp := range dtoMetric.GetLabel() {
			labels1[*lp.Name] = *lp.Value
		}
		labels1["le"] = fmt.Sprintf("%.3f", math.Inf(+1))
		metrics = append(metrics, MetricV2{
			Description:    desc,