)
        for model in flat_serialization_models
    ]
    flat_model_fields = flat_validation_model_fields + flat_serialization_model_fields
    input_types = {f.type_ for f in fields}
    unique_flat_model_fields = {
        f for f in flat_model_fields if f.type_ not in input_types
    }
    inputs = [
        (
            field,
            (
                field.mode