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diff --git a/src/widgets/graphicsview/qgraphicslayoutitem_p.h b/src/widgets/graphicsview/qgraphicslayoutitem_p.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 QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGRAPHICSLAYOUTITEM_P_H
+#define QGRAPHICSLAYOUTITEM_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/QSizeF>
+#include <QtWidgets/QSizePolicy>
+
+QT_BEGIN_NAMESPACE
+
+class QGraphicsLayoutItem;
+class Q_AUTOTEST_EXPORT QGraphicsLayoutItemPrivate
+{
+    Q_DECLARE_PUBLIC(QGraphicsLayoutItem)
+public:
+    virtual ~QGraphicsLayoutItemPrivate();
+    QGraphicsLayoutItemPrivate(QGraphicsLayoutItem *parent, bool isLayout);
+    static QGraphicsLayoutItemPrivate *get(QGraphicsLayoutItem *q) { return q->d_func();}
+    static const QGraphicsLayoutItemPrivate *get(const QGraphicsLayoutItem *q) { return q->d_func();}
+
+    void init();
+    QSizeF *effectiveSizeHints(const QSizeF &constraint) const;
+    QGraphicsItem *parentItem() const;
+    void ensureUserSizeHints();
+    void setSize(Qt::SizeHint which, const QSizeF &size);
+    enum SizeComponent { Width, Height };
+    void setSizeComponent(Qt::SizeHint which, SizeComponent component, qreal value);
+
+    bool hasHeightForWidth() const;
+    bool hasWidthForHeight() const;
+
+    QSizePolicy sizePolicy;
+    QGraphicsLayoutItem *parent;
+
+    QSizeF *userSizeHints;
+    mutable QSizeF cachedSizeHints[Qt::NSizeHints];
+    mutable QSizeF cachedConstraint;
+    mutable QSizeF cachedSizeHintsWithConstraints[Qt::NSizeHints];
+
+    mutable quint32 sizeHintCacheDirty : 1;
+    mutable quint32 sizeHintWithConstraintCacheDirty : 1;
+    quint32 isLayout : 1;
+    quint32 ownedByLayout : 1;
+
+    QGraphicsLayoutItem *q_ptr;
+    QRectF geom;
+    QGraphicsItem *graphicsItem;
+};
+
+QT_END_NAMESPACE
+
+#endif //QGRAPHICSLAYOUTITEM_P_H
+