capitalPutObjects := make([]MetricV2, 0, len(histBuckets)+1)
	for _, metric := range metrics {
		if value := metric.VariableLabels["api"]; value == "PutObject" {
			capitalPutObjects = append(capitalPutObjects, metric)
		}
	}
	if expMetricsPerAPI := len(histBuckets) + 1; expMetricsPerAPI != len(capitalPutObjects) {