"tagsQuery": "",
        "type": "custom",
        "useTags": false
      },
      {
        "current": {
          "selected": false,
          "text": "All",
          "value": "$__all"
        },
        "datasource": {
          "type": "prometheus",
          "uid": "${datasource}"
        },
        "definition": "",
        "hide": 0,