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++ // Copyright (C) 2023 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "statemachine.h"
++ #include "trafficlight.h"
++
++ #include <QtWidgets/qapplication.h>
++
++ int main(int argc, char **argv)
++ {
++ QApplication app(argc, argv);
++
++ TrafficLightStateMachine machine;
++ TrafficLight widget(&machine);
++ widget.show();
++ machine.start();
++
++ return app.exec();
++ }