"expr": "(histogram_quantile(0.50, sum(irate(istio_request_duration_milliseconds_bucket{reporter=~\"$qrep\",destination_service=~\"$service\"}[1m])) by (le)) / 1000) or histogram_quantile(0.50, sum(irate(istio_request_duration_seconds_bucket{reporter=~\"$qrep\",destination_service=~\"$service\"}[1m])) by (le))",
          "format": "time_series",
          "interval": "",
          "intervalFactor": 1,
          "legendFormat": "P50",

          "format": "time_series",
          "interval": "",
          "intervalFactor": 1,

          "editorMode": "code",
          "exemplar": true,
          "expr": "sum by (bucket,le,api) (minio_bucket_requests_ttfb_seconds_distribution{job=\"$scrape_jobs\"})",
          "format": "time_series",
          "instant": false,
          "interval": "",
          "intervalFactor": 1,
          "legendFormat": "{{bucket,le,api}}",
          "refId": "A",
          "step": 300
        }
      ],

				if *lp.Name == "api" && toLowerAPILabels {
					labels[*lp.Name] = strings.ToLower(*lp.Value)
				} else {
					labels[*lp.Name] = *lp.Value
				}
			}
			labels["le"] = fmt.Sprintf("%.3f", *b.UpperBound)
			metric := MetricV2{
				Description:    desc,
				VariableLabels: labels,
				Value:          float64(b.GetCumulativeCount()),
			}
			metrics = append(metrics, metric)

    Node* new_node = parent->graph.FindNodeId(i);
    if (new_node == nullptr) continue;
    parent->name_map[new_node->name()] = new_node;
  }

  // Populate 'outputs'.
  DCHECK_LE(loop_outputs.size(), num_loop_vars);
  for (int i = 0; i < loop_outputs.size(); ++i) {
    outputs[i] = {ToOperation(loop_outputs[i].node()), loop_outputs[i].index()};
  }
}

}  // namespace