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diff --git a/src/tools/uic/treewalker.h b/src/tools/uic/treewalker.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef TREEWALKER_H
+#define TREEWALKER_H
+
+#include <QtCore/QList>
+
+QT_BEGIN_NAMESPACE
+
+class DomUI;
+class DomLayoutDefault;
+class DomLayoutFunction;
+class DomTabStops;
+class DomLayout;
+class DomLayoutItem;
+class DomWidget;
+class DomSpacer;
+class DomColor;
+class DomColorGroup;
+class DomPalette;
+class DomFont;
+class DomPoint;
+class DomRect;
+class DomSizePolicy;
+class DomSize;
+class DomDate;
+class DomTime;
+class DomDateTime;
+class DomProperty;
+class DomCustomWidgets;
+class DomCustomWidget;
+class DomAction;
+class DomActionGroup;
+class DomActionRef;
+class DomImages;
+class DomImage;
+class DomItem;
+class DomIncludes;
+class DomInclude;
+class DomString;
+class DomResourcePixmap;
+class DomResources;
+class DomResource;
+class DomConnections;
+class DomConnection;
+class DomConnectionHints;
+class DomConnectionHint;
+class DomScript;
+class DomButtonGroups;
+class DomButtonGroup;
+
+struct TreeWalker
+{
+    inline virtual ~TreeWalker() {}
+
+    virtual void acceptUI(DomUI *ui);
+    virtual void acceptLayoutDefault(DomLayoutDefault *layoutDefault);
+    virtual void acceptLayoutFunction(DomLayoutFunction *layoutFunction);
+    virtual void acceptTabStops(DomTabStops *tabStops);
+    virtual void acceptCustomWidgets(DomCustomWidgets *customWidgets);
+    virtual void acceptCustomWidget(DomCustomWidget *customWidget);
+    virtual void acceptLayout(DomLayout *layout);
+    virtual void acceptLayoutItem(DomLayoutItem *layoutItem);
+    virtual void acceptWidget(DomWidget *widget);
+    virtual void acceptSpacer(DomSpacer *spacer);
+    virtual void acceptColor(DomColor *color);
+    virtual void acceptColorGroup(DomColorGroup *colorGroup);
+    virtual void acceptPalette(DomPalette *palette);
+    virtual void acceptFont(DomFont *font);
+    virtual void acceptPoint(DomPoint *point);
+    virtual void acceptRect(DomRect *rect);
+    virtual void acceptSizePolicy(DomSizePolicy *sizePolicy);
+    virtual void acceptSize(DomSize *size);
+    virtual void acceptDate(DomDate *date);
+    virtual void acceptTime(DomTime *time);
+    virtual void acceptDateTime(DomDateTime *dateTime);
+    virtual void acceptProperty(DomProperty *property);
+    typedef QList<DomScript *> DomScripts;
+    typedef QList<DomWidget *> DomWidgets;
+    virtual void acceptWidgetScripts(const DomScripts &, DomWidget *node, const  DomWidgets &childWidgets);
+    virtual void acceptImages(DomImages *images);
+    virtual void acceptImage(DomImage *image);
+    virtual void acceptIncludes(DomIncludes *includes);
+    virtual void acceptInclude(DomInclude *incl);
+    virtual void acceptAction(DomAction *action);
+    virtual void acceptActionGroup(DomActionGroup *actionGroup);
+    virtual void acceptActionRef(DomActionRef *actionRef);
+    virtual void acceptConnections(DomConnections *connections);
+    virtual void acceptConnection(DomConnection *connection);
+    virtual void acceptConnectionHints(DomConnectionHints *connectionHints);
+    virtual void acceptConnectionHint(DomConnectionHint *connectionHint);
+    virtual void acceptButtonGroups(const DomButtonGroups *buttonGroups);
+    virtual void acceptButtonGroup(const DomButtonGroup *buttonGroup);
+};
+
+QT_END_NAMESPACE
+
+#endif // TREEWALKER_H