{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "description": "schema for type argument",
    "type": "object",
    "properties": {
        "Z1K1": {
            "enum": [
                "Z18"
            ]
        },
        "Z18K1": {
            "type": "string",
            "pattern": "^([ZB][1-9][0-9]*)?K[1-9][0-9]*$"
        }
    },
    "required": [
        "Z1K1",
        "Z18K1"
    ],
    "additionalProperties": false
}