{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://artifacts.apis.io/amazon-neptune/json-schema/amazon-neptune-describe-dbengine-versions-message-schema.json",
  "title": "DescribeDBEngineVersionsMessage",
  "x-generated": "2026-11-11",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/amazon-neptune-engine-api-openapi.yml#/components/schemas/DescribeDBEngineVersionsMessage",
  "type": "object",
  "properties": {
    "Engine": {
      "type": "string",
      "description": "The database engine to return."
    },
    "EngineVersion": {
      "type": "string",
      "description": "The database engine version to return. Example: 5.1.49"
    },
    "DBParameterGroupFamily": {
      "type": "string",
      "description": "The name of a specific DB parameter group family to return details for. Constraints: If supplied, must match an existing DBParameterGroupFamily."
    },
    "Filters": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/Filter"
      },
      "description": "Not currently supported."
    },
    "MaxRecords": {
      "type": "integer",
      "description": "The maximum number of records to include in the response. If more than the MaxRecords value is available, a pagination token called a marker is included in the response so that the following results can be retrieved. Default: 100 Constraints: Minimum 20, maximum 100."
    },
    "Marker": {
      "type": "string",
      "description": "An optional pagination token provided by a previous request. If this parameter is specified, the response includes only records beyond the marker, up to the value specified by MaxRecords."
    },
    "DefaultOnly": {
      "type": "boolean",
      "description": "Indicates that only the default version of the specified engine or engine and major version combination is returned."
    },
    "ListSupportedCharacterSets": {
      "type": "boolean",
      "description": "If this parameter is specified and the requested engine supports the CharacterSetName parameter for CreateDBInstance, the response includes a list of supported character sets for each engine version."
    },
    "ListSupportedTimezones": {
      "type": "boolean",
      "description": "If this parameter is specified and the requested engine supports the TimeZone parameter for CreateDBInstance, the response includes a list of supported time zones for each engine version."
    }
  },
  "$defs": {
    "Filter": {
      "type": "object",
      "properties": {
        "Name": {
          "type": "string",
          "description": "This parameter is not currently supported."
        },
        "Values": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "This parameter is not currently supported."
        }
      },
      "required": [
        "Name",
        "Values"
      ]
    }
  }
}