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    See Dataset for more information.

    {
      "entityType": "dataset" [immutable, generated by Dremio],
      "id": String [immutable, generated by Dremio],
      "path": [String] [immutable after creation],
      "tag": String [immutable, generated by Dremio],
      "type": String ["PHYSICAL_DATASET", "VIRTUAL_DATASET"] [immutable],
      "fields": [DatasetField] [immutable],
      "createdAt": String (RFC3339 date) [immutable, generated by Dremio],
      "accelerationRefreshPolicy": DatasetAccelerationRefreshPolicy [optional, only for physical datasets in a source],
      "sql": String [optional, required for virtual datasets],
      "sqlContext": [String] [optional, only for virtual datasets],
      "format": DatasetFormat [optional, required for promoted datasets],
      "approximateStatisticsAllowed": Boolean [optional, introduced in Dremio 2.1.0]
    }