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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 QtDeclarative module 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 QLISTMODELINTERFACE_H
+#define QLISTMODELINTERFACE_H
+
+#include <QtCore/QHash>
+#include <QtCore/QVariant>
+
+#include <private/qdeclarativeglobal_p.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+
+class Q_DECLARATIVE_PRIVATE_EXPORT QListModelInterface : public QObject
+{
+    Q_OBJECT
+ public:
+    QListModelInterface(QObject *parent = 0) : QObject(parent) {}
+    virtual ~QListModelInterface() {}
+
+    virtual int count() const = 0;
+    virtual QVariant data(int index, int role) const = 0;
+
+    virtual QList<int> roles() const = 0;
+    virtual QString toString(int role) const = 0;
+
+ Q_SIGNALS:
+    void itemsInserted(int index, int count);
+    void itemsRemoved(int index, int count);
+    void itemsMoved(int from, int to, int count);
+    void itemsChanged(int index, int count, const QList<int> &roles);
+
+ protected:
+    QListModelInterface(QObjectPrivate &dd, QObject *parent) 
+        : QObject(dd, parent) {}
+};
+
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+#endif //QTREEMODELINTERFACE_H