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diff --git a/src/declarative/qml/qmlcompiledbindings_p.h b/src/declarative/qml/qmlcompiledbindings_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 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 QMLBINDINGOPTIMIZATIONS_P_H
+#define QMLBINDINGOPTIMIZATIONS_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qmlexpression_p.h"
+#include "qmlbinding.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QmlBindingCompilerPrivate;
+class QmlBindingCompiler
+{
+public:
+    QmlBindingCompiler();
+    ~QmlBindingCompiler();
+
+    // Returns true if bindings were compiled
+    bool isValid() const;
+
+    struct Expression
+    {
+        QmlParser::Object *component;
+        QmlParser::Object *context;
+        QmlParser::Property *property;
+        QmlParser::Variant expression;
+        QHash<QString, QmlParser::Object *> ids;
+        QmlEnginePrivate::Imports imports;
+    };
+
+    // -1 on failure, otherwise the binding index to use
+    int compile(const Expression &, QmlEnginePrivate *);
+
+    // Returns the compiled program
+    QByteArray program() const;
+
+    static void dump(const QByteArray &);
+private:
+    QmlBindingCompilerPrivate *d;
+};
+
+class QmlCompiledBindingsPrivate;
+class QmlCompiledBindings : public QObject, public QmlAbstractExpression, public QmlRefCount
+{
+public:
+    QmlCompiledBindings(const char *program, QmlContext *context);
+    virtual ~QmlCompiledBindings();
+
+    QmlAbstractBinding *configBinding(int index, QObject *target, QObject *scope, int property);
+
+protected:
+    int qt_metacall(QMetaObject::Call, int, void **);
+
+private:
+    Q_DISABLE_COPY(QmlCompiledBindings);
+    Q_DECLARE_PRIVATE(QmlCompiledBindings);
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QMLBINDINGOPTIMIZATIONS_P_H
+