{
  "description": "DEPRECATED.",
  "properties": {
    "revision": {
      "description": "The revision to rollback to. If set to 0, rollback to the last revision.",
      "type": [
        "integer",
        "null"
      ],
      "format": "int64"
    }
  },
  "$schema": "http://json-schema.org/schema#",
  "type": "object"
}