optional string name = 1;

  // targetAverageUtilization is the target value of the average of the
  // resource metric across all relevant pods, represented as a percentage of
  // the requested value of the resource for the pods.
  // +optional
  optional int32 targetAverageUtilization = 2;

  // targetAverageValue is the target value of the average of the
  // resource metric across all relevant pods, as a raw value (instead of as

  // QPS from loadbalancer running outside of cluster).
  // +optional
  optional ExternalMetricStatus external = 5;
}

// MetricTarget defines the target value, average value, or average utilization of a specific metric
message MetricTarget {
  // type represents whether the metric type is Utilization, Value, or AverageValue
  optional string type = 1;

  optional string name = 1;

  // targetAverageUtilization is the target value of the average of the
  // resource metric across all relevant pods, represented as a percentage of
  // the requested value of the resource for the pods.
  // +optional
  optional int32 targetAverageUtilization = 2;

  // targetAverageValue is the target value of the average of the
  // resource metric across all relevant pods, as a raw value (instead of as

  // QPS from loadbalancer running outside of cluster).
  // +optional
  optional ExternalMetricStatus external = 5;
}

// MetricTarget defines the target value, average value, or average utilization of a specific metric
message MetricTarget {
  // type represents whether the metric type is Utilization, Value, or AverageValue
  optional string type = 1;

"legendFormat": "XDS Response Bytes Max", "refId": "D" }, { "expr": "quantile(0.5, rate(envoy_cluster_upstream_cx_rx_bytes_total{cluster_name=\"xds-grpc\"}[1m]))", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "XDS Response Bytes Average", "refId": "B" }, { "expr": "max(rate(envoy_cluster_upstream_cx_tx_bytes_total{cluster_name=\"xds-grpc\"}[1m]))", "format": "time_series", "intervalFactor": 1, "legendFormat": "XDS Request Bytes Max", "refId": "A" }, { "expr": "quantile(.5, rate(...

              "format": "time_series",
              "hide": false,
              "intervalFactor": 1,
              "legendFormat": "XDS Response Bytes Average",
              "refId": "B"
            },
            {
              "datasource": {
                "type": "prometheus",
                "uid": "${datasource}"
              },