{
    "namespace": "org.test",
    "type": "record",
    "name": "alltypes_delete_fields",
    "delete": "fields",
    "fields": [
        {"name": "pk0", "type": "string"},
        {"name": "pk1", "type": "string"},
        {"name": "pk2", "type": "string"},
        {"name": "fields", "type": {"type": "array", "items": "string"}}
    ]
}
