apiTrafficRecvBytesMD = NewCounterMD(apiTrafficRecvBytes,
		"Total number of bytes received", "type")
)

// loadAPIRequestsHTTPMetrics - reads S3 HTTP metrics.
//
// This is a `MetricsLoaderFn`.
//
// This includes node level S3 HTTP metrics.
//
// This function currently ignores `opts`.
func loadAPIRequestsHTTPMetrics(ctx context.Context, m MetricValues, _ *metricsCache) error {
	// Collect node level S3 HTTP metrics.

			apiRequests4xxErrorsTotalMD,
			apiRequestsCanceledTotalMD,

			apiRequestsTTFBSecondsDistributionMD,

			apiTrafficSentBytesMD,
			apiTrafficRecvBytesMD,
		},
		JoinLoaders(loadAPIRequestsHTTPMetrics, loadAPIRequestsTTFBMetrics,
			loadAPIRequestsNetworkMetrics),
	)

	apiBucketMG := NewBucketMetricsGroup(apiBucketCollectorPath,
		[]MetricDescriptor{
			apiBucketTrafficRecvBytesMD,