{
    "description": "Preconditions must be fulfilled before an operation (update, delete, etc.) is carried out.",
    "properties": {
        "resourceVersion": {
            "description": "Specifies the target ResourceVersion",
            "type": [
                "string",
                "null"
            ]
        },
        "uid": {
            "description": "Specifies the target UID.",
            "type": [
                "string",
                "null"
            ]
        }
    },
    "type": "object"
}