// Copyright © SixtyFPS GmbH <info@slint-ui.com>
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-commercial

export Xxx := Rectangle {

    foo := Rectangle {
        callback hello(int) -> int;
    }

    callback bar(int) -> int;
    bar <=> foo.hello;
//  ^error{Unknown property bar in Rectangle}
}