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diff --git a/tools/qmlprofiler/qpacketprotocol.h b/tools/qmlprofiler/qpacketprotocol.h
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPACKETPROTOCOL_H
+#define QPACKETPROTOCOL_H
+
+#include <QtCore/qobject.h>
+#include <QtCore/qdatastream.h>
+
+QT_BEGIN_NAMESPACE
+class QIODevice;
+class QBuffer;
+QT_END_NAMESPACE
+class QPacket;
+class QPacketAutoSend;
+class QPacketProtocolPrivate;
+
+class QPacketProtocol : public QObject
+{
+    Q_OBJECT
+public:
+    explicit QPacketProtocol(QIODevice *dev, QObject *parent = 0);
+    virtual ~QPacketProtocol();
+
+    qint32 maximumPacketSize() const;
+    qint32 setMaximumPacketSize(qint32);
+
+    QPacketAutoSend send();
+    void send(const QPacket &);
+
+    qint64 packetsAvailable() const;
+    QPacket read();
+
+    bool waitForReadyRead(int msecs = 3000);
+
+    void clear();
+
+    QIODevice *device();
+
+Q_SIGNALS:
+    void readyRead();
+    void invalidPacket();
+    void packetWritten();
+
+private:
+    QPacketProtocolPrivate *d;
+};
+
+
+class QPacket : public QDataStream
+{
+public:
+    QPacket();
+    QPacket(const QPacket &);
+    virtual ~QPacket();
+
+    void clear();
+    bool isEmpty() const;
+    QByteArray data() const;
+
+protected:
+    friend class QPacketProtocol;
+    QPacket(const QByteArray &ba);
+    QByteArray b;
+    QBuffer *buf;
+};
+
+class QPacketAutoSend : public QPacket
+{
+public:
+    virtual ~QPacketAutoSend();
+
+private:
+    friend class QPacketProtocol;
+    QPacketAutoSend(QPacketProtocol *);
+    QPacketProtocol *p;
+};
+
+#endif