{
    "$schema": "http://json-schema.org/draft-04/schema",
    "definitions": {
        "dateUTCISO": {
            "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d{3}Z$",
            "type": "string"
        }
    },
    "description": "Track cache-wide data",
    "properties": {
        "lastSweep": {
            "$ref": "#/definitions/dateUTCISO"
        }
    },
    "required": [
        "lastSweep"
    ],
    "type": "object"
}