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diff --git a/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/listmodel.h b/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/listmodel.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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 General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef LISTMODEL_H
+#define LISTMODEL_H
+
+#include <QAbstractListModel>
+
+class RecycledListItem;
+class ListItemCache;
+
+class ListModel : public QAbstractListModel
+{
+    Q_OBJECT
+
+public:
+
+    ListModel(QObject *parent = 0);
+    ~ListModel();
+
+public:
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole ) const;
+    bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
+
+    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
+
+    void insert(const int row, RecycledListItem *item);
+    void appendRow(RecycledListItem *item);
+
+    void clear();
+
+    RecycledListItem *item(const int row) const;
+
+    RecycledListItem *takeItem(const int row);
+
+private:
+    Q_DISABLE_COPY(ListModel)
+    QList<RecycledListItem *> m_items;
+};
+
+#endif // LISTMODEL_H