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diff --git a/include/oox/ppt/timenode.hxx b/include/oox/ppt/timenode.hxx
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+++ b/include/oox/ppt/timenode.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#ifndef INCLUDED_OOX_PPT_TIMENODE_HXX
+#define INCLUDED_OOX_PPT_TIMENODE_HXX
+
+#include <vector>
+#include <map>
+#include <memory>
+
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Reference.hxx>
+#include <oox/ppt/slidetransition.hxx>
+#include <oox/ppt/slidepersist.hxx>
+#include <oox/ppt/animationspersist.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+
+namespace com::sun::star {
+    namespace animations { class XAnimationNode; }
+}
+
+namespace oox::core { class XmlFilterBase; }
+
+namespace oox::ppt {
+
+    class TimeNode;
+
+    typedef std::shared_ptr< TimeNode > TimeNodePtr;
+    typedef std::vector< TimeNodePtr > TimeNodePtrList;
+
+    class TimeNode final
+    {
+    public:
+        typedef ::std::map< OUString, css::uno::Any > UserDataMap;
+
+        TimeNode( sal_Int16 nNodeType );
+        ~TimeNode();
+
+        NodePropertyMap & getNodeProperties() { return maNodeProperties; }
+        UserDataMap & getUserData() { return maUserData; }
+        TimeNodePtrList & getChildren()
+            { return maChildren; }
+
+        void setId( sal_Int32 nId );
+
+        void addNode(
+            const ::oox::core::XmlFilterBase& rFilter,
+            const css::uno::Reference< css::animations::XAnimationNode >& rxNode,
+            const SlidePersistPtr & slide);
+        // data setters
+        void setTo( const css::uno::Any & aTo );
+        void setFrom( const css::uno::Any & aFrom );
+        void setBy( const css::uno::Any & aBy );
+        void setTransitionFilter( const SlideTransition & aTransition)
+            { maTransitionFilter = aTransition; }
+
+        void setNode(
+            const ::oox::core::XmlFilterBase& rFilter,
+            const css::uno::Reference< css::animations::XAnimationNode >& xNode,
+            const SlidePersistPtr & pSlide,
+            const css::uno::Reference< css::animations::XAnimationNode >& xParent);
+
+        AnimTargetElementPtr const & getTarget()
+            {
+                if( !mpTarget )
+                    mpTarget = std::make_shared<AnimTargetElement>();
+                return mpTarget;
+            }
+
+        AnimationConditionList &getStartCondition()
+            { return maStCondList; }
+        AnimationConditionList &getEndCondition()
+            { return maEndCondList; }
+        AnimationConditionList &getNextCondition()
+            { return maNextCondList; }
+        AnimationConditionList &getPrevCondition()
+            { return maPrevCondList; }
+        AnimationCondition & getEndSyncValue()
+            { mbHasEndSyncValue = true; return maEndSyncValue; }
+    private:
+
+        static OUString getServiceName( sal_Int16 nNodeType );
+
+        static css::uno::Reference< css::animations::XAnimationNode >
+        createAndInsert(
+            const ::oox::core::XmlFilterBase& rFilter,
+            const OUString& rServiceName,
+            const css::uno::Reference< css::animations::XAnimationNode >& rxNode );
+
+        const sal_Int16 mnNodeType;
+
+        TimeNodePtrList maChildren;
+
+        OUString   msId;
+        NodePropertyMap            maNodeProperties;
+        UserDataMap                maUserData; // a sequence to be stored as "UserData" property
+        SlideTransition            maTransitionFilter;
+        AnimTargetElementPtr       mpTarget;
+        bool                       mbHasEndSyncValue; // set to true if we try to get the endSync.
+        AnimationCondition         maEndSyncValue;
+        AnimationConditionList     maStCondList, maEndCondList;
+        AnimationConditionList     maPrevCondList, maNextCondList;
+    };
+
+}
+
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */