{
    "title": "TileJSON",
    "type": "object",
    "description": "Old V3.0.0 spec for TileJSON parsing.",
    "properties": {
        "tilejson": {
            "type": "string",
            "pattern": "\\d+\\.\\d+\\.\\d+\\w?[\\w\\d]*"
        },
        "tiles": {
            "type": "array",
            "items": {
                "type": "string"
            }
        },
        "vector_layers": {
            "type": "array",
            "items": {
                "type": "object",
                "properties": {
                    "id": {
                        "type": "string"
                    },
                    "fields": {
                        "type": "object",
                        "additionalProperties": { "type": "string" }
                    },
                    "description": {
                        "type": "string"
                    },
                    "maxzoom": {
                        "type": "integer"
                    },
                    "minzoom": {
                        "type": "integer"
                    }
                },
                "required": ["id", "fields"],
                "additionalProperties": true
            }
        },
        "attribution": {
            "type": "string"
        },
        "bounds": {
            "type": "array",
            "items": {
                "type": "number"
            }
        },
        "center": {
            "type": "array",
            "items": {
                "type": "number"
            }
        },
        "data": {
            "type": "array",
            "items": {
                "type": "string"
            }
        },
        "description": {
            "type": "string"
        },
        "fillzoom": {
            "minimum": 0,
            "maximum": 30,
            "type": "integer"
        },
        "grids": {
            "type": "array",
            "items": {
                "type": "string"
            }
        },
        "legend": {
            "type": "string"
        },
        "maxzoom": {
            "minimum": 0,
            "maximum": 30,
            "type": "integer"
        },
        "minzoom": {
            "minimum": 0,
            "maximum": 30,
            "type": "integer"
        },
        "name": {
            "type": "string"
        },
        "scheme": {
            "type": "string"
        },
        "template": {
            "type": "string"
        },
        "version": {
            "type": "string",
            "pattern": "\\d+\\.\\d+\\.\\d+\\w?[\\w\\d]*"
        }
    },
    "required": ["tilejson", "tiles", "vector_layers"],
    "additionalProperties": true
}