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diff --git a/src/Runtime/ogl-runtime/src/system/Qt3DSDataLoggerViewer.h b/src/Runtime/ogl-runtime/src/system/Qt3DSDataLoggerViewer.h
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+++ b/src/Runtime/ogl-runtime/src/system/Qt3DSDataLoggerViewer.h
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+/****************************************************************************
+**
+** Copyright (C) 1993-2009 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** 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 or (at your option) 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.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-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef AKDATALOGGERVIEWER_H_INCLUDED
+#define AKDATALOGGERVIEWER_H_INCLUDED
+
+//==============================================================================
+//	Includes
+//==============================================================================
+#include "Qt3DSTypes.h"
+#include "Qt3DSDataLogger.h"
+#include "Qt3DSDataLoggerEnums.h"
+
+//==============================================================================
+//	Namespace
+//==============================================================================
+namespace Q3DStudio {
+// Helps interpret and analyse data logger entries
+class CDataLoggerViewer
+{
+public:
+    typedef CArray<SPerfLogEntry> TPerfLogEntryList;
+
+public:
+    CDataLoggerViewer(TPerfLogEntryList *inPerfLogEntryList);
+    CDataLoggerViewer(const char *inFilename);
+    virtual ~CDataLoggerViewer();
+
+public:
+    float GetAverageTimeInMsForEntry(enum EDataLoggerEvents inEventType);
+    void ResetPerfLogEntry(enum EDataLoggerEvents inEventType);
+    void ResetAllEntries();
+
+public:
+    static bool ProcessKeyEvent(char inKey, TPerfLogEntryList *inList);
+
+protected:
+    TPerfLogEntryList *m_PerfLogEntryList;
+    bool m_Dispose;
+};
+
+} // namespace NVUI
+
+#endif // AKDATALOGGERVIEWER_H_INCLUDED