{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "additionalProperties": false,
    "properties": {
        "nc:Vehicle": {
            "description": "a vehicle or array of vehicles",
            "oneOf": [
                {
                    "$ref": "#/definitions/nc:VehicleType"
                },
                {
                    "type": "array",
                    "items": {
                        "$ref": "#/definitions/nc:VehicleType"
                    }
                }
            ]
        }
    },
    "definitions": {
        "nc:VehicleType": {
            "description": "a vehicle type",
            "allOf": [
                {
                    "type": "object",
                    "properties": {}
                }
            ]
        }
    }
}