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diff --git a/src/declarative/qml/qmlexpression.h b/src/declarative/qml/qmlexpression.h
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+++ b/src/declarative/qml/qmlexpression.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMLEXPRESSION_H
+#define QMLEXPRESSION_H
+
+#include <QtCore/qobject.h>
+#include <QtCore/qvariant.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+
+class QString;
+class QmlRefCount;
+class QmlEngine;
+class QmlContext;
+class QmlExpressionPrivate;
+class QmlBasicScript;
+class Q_DECLARATIVE_EXPORT QmlExpression 
+{
+public:
+    QmlExpression();
+    QmlExpression(QmlContext *, const QString &, QObject *);
+    QmlExpression(QmlContext *, const QString &, QObject *, bool);
+    QmlExpression(QmlContext *, void *, QmlRefCount *rc, QObject *me);
+    virtual ~QmlExpression();
+
+    QmlEngine *engine() const;
+    QmlContext *context() const;
+
+    QString expression() const;
+    void clearExpression();
+    virtual void setExpression(const QString &);
+    QVariant value();
+    bool isConstant() const;
+
+    bool trackChange() const;
+    void setTrackChange(bool);
+
+    QObject *scopeObject() const;
+
+protected:
+    virtual void valueChanged();
+
+private:
+    friend class BindExpressionProxy;
+    QmlExpressionPrivate *d;
+};
+
+// LK: can't we merge with QmlExpression????
+class Q_DECLARATIVE_EXPORT QmlExpressionObject : public QObject, 
+                                                 public QmlExpression
+{
+    Q_OBJECT
+public:
+    QmlExpressionObject(QObject *parent = 0);
+    QmlExpressionObject(QmlContext *, const QString &, QObject *scope, QObject *parent = 0);
+    QmlExpressionObject(QmlContext *, const QString &, QObject *scope, bool);
+    QmlExpressionObject(QmlContext *, void *, QmlRefCount *, QObject *);
+
+public Q_SLOTS:
+    QVariant value();
+
+Q_SIGNALS:
+    void valueChanged();
+};
+
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QMLEXPRESSION_H
+