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diff --git a/src/datavisualization/data/qabstractdatamapping.cpp b/src/datavisualization/data/qabstractdatamapping.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2013 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 QtDataVisualization module.
+**
+** 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
+**
+****************************************************************************/
+
+#include "qabstractdatamapping_p.h"
+
+QT_DATAVISUALIZATION_BEGIN_NAMESPACE
+
+/*!
+ * \class QAbstractDataMapping
+ * \inmodule QtDataVisualization
+ * \brief Abstract base class for QtDataVisualization data mapping classes.
+ * \since 1.0.0
+ *
+ * Data mapping classes provide a way to map data from an external data source to one of
+ * QtDataVisualization data proxies.
+ * \sa QItemModelBarDataMapping, QItemModelScatterDataMapping
+ */
+
+/*!
+ * \internal
+ */
+QAbstractDataMapping::QAbstractDataMapping(QAbstractDataMappingPrivate *d, QObject *parent)
+    : QObject(parent),
+      d_ptr(d)
+{
+}
+
+/*!
+ * Destroys QAbstractDataMapping.
+ */
+QAbstractDataMapping::~QAbstractDataMapping()
+{
+}
+
+/*!
+ * \fn void QAbstractDataMapping::mappingChanged()
+ *
+ * Emitted when any mapping has changed.
+ */
+
+// QItemModelBarDataMappingPrivate
+
+QAbstractDataMappingPrivate::QAbstractDataMappingPrivate(QAbstractDataMapping *q,
+                                                         QAbstractDataProxy::DataType type)
+    : QObject(0),
+      q_ptr(q),
+      m_type(type)
+{
+}
+
+QAbstractDataMappingPrivate::~QAbstractDataMappingPrivate()
+{
+}
+
+QT_DATAVISUALIZATION_END_NAMESPACE
+