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diff --git a/src/dbus/qdbuspendingcall_p.h b/src/dbus/qdbuspendingcall_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 QtDBus 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the public API.  This header file may
+// change from version to version without notice, or even be
+// removed.
+//
+// We mean it.
+//
+//
+
+#ifndef QDBUSPENDINGCALL_P_H
+#define QDBUSPENDINGCALL_P_H
+
+#include <qshareddata.h>
+#include <qpointer.h>
+#include <qlist.h>
+#include <qmutex.h>
+#include <qwaitcondition.h>
+
+#include "qdbusmessage.h"
+#include "qdbus_symbols_p.h"
+
+#ifndef QT_NO_DBUS
+
+QT_BEGIN_NAMESPACE
+
+class QDBusPendingCall;
+class QDBusPendingCallWatcher;
+class QDBusPendingCallWatcherHelper;
+class QDBusConnectionPrivate;
+
+class QDBusPendingCallPrivate: public QSharedData
+{
+public:
+    // {
+    //     set only during construction:
+    const QDBusMessage sentMessage;
+    QDBusConnectionPrivate * const connection;
+
+    // for the callback mechanism (see setReplyCallback and QDBusConnectionPrivate::sendWithReplyAsync)
+    QPointer<QObject> receiver;
+    QList<int> metaTypes;
+    int methodIdx;
+
+    bool autoDelete;
+    // }
+
+    mutable QMutex mutex;
+    QWaitCondition waitForFinishedCondition;
+
+    // {
+    //    protected by the mutex above:
+    QDBusPendingCallWatcherHelper *watcherHelper;
+    QDBusMessage replyMessage;
+    DBusPendingCall *pending;
+    volatile bool waitingForFinished;
+
+    QString expectedReplySignature;
+    int expectedReplyCount;
+    // }
+
+    QDBusPendingCallPrivate(const QDBusMessage &sent, QDBusConnectionPrivate *connection)
+        : sentMessage(sent), connection(connection), autoDelete(false), watcherHelper(0), pending(0), waitingForFinished(false)
+    { }
+    ~QDBusPendingCallPrivate();
+    bool setReplyCallback(QObject *target, const char *member);
+    void waitForFinished();
+    void setMetaTypes(int count, const int *types);
+    void checkReceivedSignature();
+
+    static QDBusPendingCall fromMessage(const QDBusMessage &msg);
+};
+
+class QDBusPendingCallWatcherHelper: public QObject
+{
+    Q_OBJECT
+public:
+    void add(QDBusPendingCallWatcher *watcher);
+
+    void emitSignals(const QDBusMessage &replyMessage, const QDBusMessage &sentMessage)
+    {
+        if (replyMessage.type() == QDBusMessage::ReplyMessage)
+            emit reply(replyMessage);
+        else
+            emit error(replyMessage, sentMessage);
+        emit finished();
+    }
+
+Q_SIGNALS:
+    void finished();
+    void reply(const QDBusMessage &msg);
+    void error(const QDBusError &error, const QDBusMessage &msg);
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_DBUS
+#endif