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diff --git a/src/render/geometry/pickingproxy_p.h b/src/render/geometry/pickingproxy_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2020 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** 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-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT3DRENDER_RENDER_PICKINGPROXY_H
+#define QT3DRENDER_RENDER_PICKINGPROXY_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <Qt3DRender/private/backendnode_p.h>
+#include <Qt3DRender/qpickingproxy.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender {
+namespace Render {
+
+class PickingProxyManager;
+
+class Q_3DRENDERSHARED_PRIVATE_EXPORT PickingProxy : public BackendNode
+{
+public:
+    PickingProxy();
+    ~PickingProxy();
+
+    void cleanup();
+    void setManager(PickingProxyManager *manager);
+    void syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) override;
+
+    inline Qt3DCore::QNodeId geometryId() const { return m_geometryId; }
+    inline int instanceCount() const { return m_instanceCount; }
+    inline int vertexCount() const { return m_vertexCount; }
+    inline int indexOffset() const { return m_indexOffset; }
+    inline int firstInstance() const { return m_firstInstance; }
+    inline int firstVertex() const { return m_firstVertex; }
+    inline int indexBufferByteOffset() const { return m_indexBufferByteOffset; }
+    inline int restartIndexValue() const { return m_restartIndexValue; }
+    inline int verticesPerPatch() const { return m_verticesPerPatch; }
+    inline bool primitiveRestartEnabled() const { return m_primitiveRestartEnabled; }
+    inline Qt3DCore::QGeometryView::PrimitiveType primitiveType() const { return m_primitiveType; }
+    inline bool isValid() const { return m_valid; }
+    inline bool isDirty() const { return m_dirty; }
+    void unsetDirty();
+
+private:
+    Qt3DCore::QNodeId m_geometryId;
+    int m_instanceCount;
+    int m_vertexCount;
+    int m_indexOffset;
+    int m_firstInstance;
+    int m_firstVertex;
+    int m_indexBufferByteOffset;
+    int m_restartIndexValue;
+    int m_verticesPerPatch;
+    bool m_primitiveRestartEnabled;
+    bool m_dirty;
+    bool m_valid;
+    Qt3DCore::QGeometryView::PrimitiveType m_primitiveType;
+    PickingProxyManager *m_manager;
+};
+
+class PickingProxyFunctor : public Qt3DCore::QBackendNodeMapper
+{
+public:
+    explicit PickingProxyFunctor(AbstractRenderer *renderer, PickingProxyManager *manager);
+    Qt3DCore::QBackendNode *create(Qt3DCore::QNodeId id) const override;
+    Qt3DCore::QBackendNode *get(Qt3DCore::QNodeId id) const override;
+    void destroy(Qt3DCore::QNodeId id) const override;
+private:
+    PickingProxyManager *m_manager;
+    AbstractRenderer *m_renderer;
+};
+
+} // namespace Render
+
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE
+
+#endif // QT3DRENDER_RENDER_PICKINGPROXY_H