{
  "properties": {
    "@timestamp": {
      "type": "date"
    },
    "instance": {
      "type": "keyword",
      "time_series_dimension": true
    },
    "responseTime": {
      "type": "tdigest"
    },
    "caseTestPlaceholder": {
      "type": "tdigest"
    }
  }
}