{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "title": "statement",
    "type": "object",
    "properties": {
        "value": {
            "type": "string",
            "description": "A value from the enumeration for this statement"
        },
        "extended_value": {
            "properties": {
                "vocab_id": {
                    "type": "string",
                    "description": "A URI identifying the vocabulary that the extended value is defined in"
                },
                "value": {
                    "type": "string",
                    "description": "The value in the extended vocabulary"
                }
            },
            "required": [
                "value"
            ]
        },
        "description": {
            "type": "string",
            "description": "A textual description of this statement"
        },
        "credibility": {
            "type": "integer",
            "minimum": 0,
            "maximum": 6,
            "description": "The credibility of this statement, using the Admirality scale"
        }
    },
    "required": [
        "value",
        "credibility"
    ]
}