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diff --git a/src/imports/controls/doc/snippets/qtquickcontrols2-combobox-valuerole.qml b/src/imports/controls/doc/snippets/qtquickcontrols2-combobox-valuerole.qml
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+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:FDL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Free Documentation License Usage
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of
+** this file. Please review the following information to ensure
+** the GNU Free Documentation License version 1.3 requirements
+** will be met: https://www.gnu.org/licenses/fdl-1.3.html.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.14
+import QtQuick.Controls 2.14
+
+//! [file]
+ApplicationWindow {
+    width: 640
+    height: 480
+    visible: true
+
+    // Used as an example of a backend - this would usually be
+    // e.g. a C++ type exposed to QML.
+    QtObject {
+        id: backend
+        property int modifier
+    }
+
+    ComboBox {
+        textRole: "text"
+        valueRole: "value"
+        // When an item is selected, update the backend.
+        onActivated: backend.modifier = currentValue
+        // Set the initial currentIndex to the value stored in the backend.
+        Component.onCompleted: currentIndex = indexOfValue(backend.modifier)
+        model: [
+            { value: Qt.NoModifier, text: qsTr("No modifier") },
+            { value: Qt.ShiftModifier, text: qsTr("Shift") },
+            { value: Qt.ControlModifier, text: qsTr("Control") }
+        ]
+    }
+}
+//! [file]