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diff --git a/src/Authoring/Qt3DStudio/Palettes/Timeline/Bindings/Qt3DSDMTimelineItemProperty.h b/src/Authoring/Qt3DStudio/Palettes/Timeline/Bindings/Qt3DSDMTimelineItemProperty.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** 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 QT3DSDM_TIMELINE_ITEM_PROPERTY_H
+#define QT3DSDM_TIMELINE_ITEM_PROPERTY_H 1
+
+#pragma once
+
+#include "ITimelineItemProperty.h"
+#include "Qt3DSDMTimelineKeyframe.h"
+#include "Qt3DSDMTimeline.h"
+#include "Qt3DSDMPropertyDefinition.h"
+#include "Qt3DSDMAnimation.h"
+
+class RowTree;
+class CTimelineTranslationManager;
+class CCmdDataModelSetKeyframeValue;
+class Qt3DSDMTimelineItemBinding;
+
+//=============================================================================
+/**
+ * A data model item's property.
+ * Typically only animated properties show up in the Timeline.
+ */
+//=============================================================================
+class Qt3DSDMTimelineItemProperty : public ITimelineItemProperty
+{
+public:
+    Qt3DSDMTimelineItemProperty(CTimelineTranslationManager *inTransMgr,
+                                qt3dsdm::Qt3DSDMPropertyHandle inPropertyHandle,
+                                qt3dsdm::Qt3DSDMInstanceHandle inInstance);
+    virtual ~Qt3DSDMTimelineItemProperty();
+
+    // ITimelineProperty
+    Q3DStudio::CString GetName() const override;
+    bool IsMaster() const override;
+    qt3dsdm::TDataTypePair GetType() const override;
+    void SetSelected() override;
+    void DeleteAllKeys() override;
+    IKeyframe *GetKeyframeByTime(long inTime) const override;
+    IKeyframe *GetKeyframeByIndex(long inIndex) const override;
+    long GetKeyframeCount() const override;
+    size_t GetChannelCount() const override;
+    float GetChannelValueAtTime(size_t chIndex, long time) override;
+    bool IsDynamicAnimation() override;
+    void setRowTree(RowTree *rowTree) override;
+    RowTree *getRowTree() const override;
+    qt3dsdm::Qt3DSDMPropertyHandle getPropertyHandle() const override;
+    std::vector<qt3dsdm::Qt3DSDMAnimationHandle> animationHandles() const override;
+
+    bool RefreshKeyframe(qt3dsdm::Qt3DSDMKeyframeHandle inKeyframe,
+                         ETimelineKeyframeTransaction inTransaction);
+    IKeyframe *GetKeyframeByHandle(qt3dsdm::Qt3DSDMKeyframeHandle inKeyframe);
+
+    void RefreshKeyFrames(void);
+    qt3dsdm::EAnimationType animationType() const override;
+
+protected:
+    using TKeyframeList = std::vector<Qt3DSDMTimelineKeyframe *>;
+
+    void InitializeCachedVariables(qt3dsdm::Qt3DSDMInstanceHandle inInstance);
+    bool CreateKeyframeIfNonExistent(qt3dsdm::Qt3DSDMKeyframeHandle inKeyframe,
+                                     qt3dsdm::Qt3DSDMAnimationHandle inOwningAnimation);
+    void OnPropertyLinkStatusChanged(qt3dsdm::Qt3DSDMSlideHandle inSlide,
+                                     qt3dsdm::Qt3DSDMInstanceHandle inInstance,
+                                     qt3dsdm::Qt3DSDMPropertyHandle inProperty);
+    void CreateKeyframes();
+    void ReleaseKeyframes();
+
+    qt3dsdm::Qt3DSDMInstanceHandle m_InstanceHandle;
+    qt3dsdm::Qt3DSDMPropertyHandle m_PropertyHandle;
+    CTimelineTranslationManager *m_TransMgr;
+    std::vector<qt3dsdm::Qt3DSDMAnimationHandle> m_AnimationHandles;
+    TKeyframeList m_Keyframes;
+    CCmdDataModelSetKeyframeValue
+        *m_SetKeyframeValueCommand; // for merging modifying keyframe values via graph
+    qt3dsdm::TDataTypePair m_Type;
+    Q3DStudio::CString m_Name;
+    std::vector<std::shared_ptr<qt3dsdm::ISignalConnection>> m_Signals;
+
+private:
+    RowTree *m_rowTree = nullptr;
+};
+
+#endif // QT3DSDM_TIMELINE_ITEM_PROPERTY_H