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<?xml version="1.0" encoding="UTF-8"?>
<!--
// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
-->
<scxml
xmlns="http://www.w3.org/2005/07/scxml"
xmlns:qt="http://theqtcompany.com/scxml/2015/06/"
version="1.0"
name="TrafficLightStateMachine"
initial="working"
>
<state id="working" initial="yellow">
<state id="red">
<onentry>
<send event="startGoingGreen" delay="3s"/>
</onentry>
<transition event="startGoingGreen" target="redGoingGreen"/>
</state>
<state id="yellow" initial="greenGoingRed">
<state id="redGoingGreen">
<onentry>
<send event="goGreen" delay="1s"/>
</onentry>
<transition event="goGreen" target="green"/>
</state>
<state id="greenGoingRed">
<onentry>
<send event="goRed" delay="1s"/>
</onentry>
<transition event="goRed" target="red"/>
</state>
</state>
<state id="green">
<onentry>
<send event="startGoingRed" delay="3s"/>
</onentry>
<transition event="startGoingRed" target="greenGoingRed"/>
</state>
<transition event="smash" target="broken"/>
</state>
<state id="broken" initial="blinking">
<state id="blinking">
<onentry>
<send event="unblink" delay="1s"/>
</onentry>
<transition event="unblink" target="unblinking"/>
</state>
<state id="unblinking">
<onentry>
<send event="blink" delay="1s"/>
</onentry>
<transition event="blink" target="blinking"/>
</state>
<transition event="repair" target="working"/>
</state>
</scxml>
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