[
{
    "domain": "Database",
    "types": [
        {
            "id": "Error",
            "type": "object",
            "description": "Database error.",
            "properties": [
                { "name": "message", "type": "string", "description": "Error message." },
                { "name": "code", "type": "integer", "description": "Error code.", "optional": "false" }
            ]
        }
    ]
}
]