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diff --git a/src/charts/barchart/qbarset_p.h b/src/charts/barchart/qbarset_p.h
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+++ b/src/charts/barchart/qbarset_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc
+** All rights reserved.
+** For any questions to Digia, please use contact form at http://qt.digia.com
+**
+** This file is part of the Qt Enterprise Charts Add-on.
+**
+** $QT_BEGIN_LICENSE$
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://qt.digia.com
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt Enterprise Chart API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#ifndef QBARSET_P_H
+#define QBARSET_P_H
+
+#include <qbarset.h>
+#include <QMap>
+#include <QPen>
+#include <QBrush>
+#include <QFont>
+
+QT_CHARTS_BEGIN_NAMESPACE
+
+class QBarSetPrivate : public QObject
+{
+    Q_OBJECT
+
+public:
+    QBarSetPrivate(const QString label, QBarSet *parent);
+    ~QBarSetPrivate();
+
+    void append(QPointF value);
+    void append(QList<QPointF> values);
+    void append(QList<qreal> values);
+
+    void insert(const int index, const qreal value);
+    void insert(const int index, const QPointF value);
+    int remove(const int index, const int count);
+
+    void replace(const int index, const qreal value);
+    void replace(const int index, const QPointF value);
+
+    qreal pos(const int index);
+    qreal value(const int index);
+
+Q_SIGNALS:
+    void restructuredBars();
+    void updatedBars();
+    void updatedLayout();
+
+public:
+    QBarSet * const q_ptr;
+    QString m_label;
+    QList<QPointF> m_values;
+    QPen m_pen;
+    QBrush m_brush;
+    QBrush m_labelBrush;
+    QFont m_labelFont;
+
+    friend class QBarSet;
+};
+
+QT_CHARTS_END_NAMESPACE
+
+#endif // QBARSETPRIVATE_P_H