{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "description": "schema for type text",
    "type": "object",
    "properties": {
        "Z1K1": {
            "enum": [
                "Z11"
            ]
        },
        "Z1K2": {
            "type": "string",
            "pattern": "^[a-z_A-Z0-9]+$"
        },
        "Z1K3": {},
        "Z1K4": {},
        "Z1K5": {},
        "Z11K1": {
            "type": "object",
            "properties": {
                "Z1K1": {
                    "enum": [
                        "Z9"
                    ]
                },
                "Z9K1": {
                    "enum": [
                        "Z251",
                        "Z252",
                        "Z253",
                        "Z254",
                        "Z255",
                        "Z256",
                        "Z257"
                    ]
                }
            }
        },
        "Z11K2": {
            "type": "string"
        }
    },
    "required": [
        "Z1K1",
        "Z11K1",
        "Z11K2"
    ],
    "additionalProperties": false
}