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diff --git a/src/datavisualizationqml/declarativescene_p.h b/src/datavisualizationqml/declarativescene_p.h
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+++ b/src/datavisualizationqml/declarativescene_p.h
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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the QtDataVisualization 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 DECLARATIVESCENE_P_H
+#define DECLARATIVESCENE_P_H
+
+#include <QtQml/qqml.h>
+#include <private/datavisualizationglobal_p.h>
+#include <QtDataVisualization/q3dscene.h>
+
+QT_BEGIN_NAMESPACE
+
+class Declarative3DScene : public Q3DScene
+{
+    Q_OBJECT
+    // This property is overloaded to use QPointF instead of QPoint to work around qml bug
+    // where Qt.point(0, 0) can't be assigned due to error "Cannot assign QPointF to QPoint".
+    Q_PROPERTY(QPointF selectionQueryPosition READ selectionQueryPosition WRITE setSelectionQueryPosition NOTIFY selectionQueryPositionChanged)
+    // This is static method in parent class, overload as constant property for qml.
+    Q_PROPERTY(QPoint invalidSelectionPoint READ invalidSelectionPoint CONSTANT)
+
+    QML_NAMED_ELEMENT(Scene3D)
+    QML_ADDED_IN_VERSION(1, 0)
+    QML_UNCREATABLE("Trying to create uncreatable: Scene3D.")
+
+public:
+    Declarative3DScene(QObject *parent = 0);
+    virtual ~Declarative3DScene();
+
+    void setSelectionQueryPosition(const QPointF &point);
+    QPointF selectionQueryPosition() const;
+    QPoint invalidSelectionPoint() const;
+
+Q_SIGNALS:
+    void selectionQueryPositionChanged(const QPointF &position);
+};
+
+QT_END_NAMESPACE
+
+#endif