"instant": false,
          "interval": "1m",
          "intervalFactor": 1,
          "legendFormat": "",
          "refId": "A"
        }
      ],
      "title": "Number of Buckets",
      "type": "stat"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {