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diff --git a/src/Runtime/ogl-runtime/src/system/Qt3DSITimer.h b/src/Runtime/ogl-runtime/src/system/Qt3DSITimer.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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#pragma once
+
+//==============================================================================
+//	Namespace
+//==============================================================================
+namespace Q3DStudio {
+
+//==============================================================================
+/**
+ *	@interface	ITimer
+ *	The base functionality of the timer used by the Kernel
+ *
+ *	Implement this interface per-platform to obtain the required functionality
+ */
+class ITimer
+{
+    //==============================================================================
+    //	Methods
+    //==============================================================================
+public: // Construction
+    virtual ~ITimer() {}
+
+public: // Operation
+    virtual void Start() = 0;
+    virtual void Stop() = 0;
+    virtual void Reset() = 0;
+    virtual TTimeUnit GetTimeMilliSecs() = 0;
+    virtual TMicroSeconds GetTimeMicroSecs() = 0;
+};
+
+} // namespace Q3DStudio