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diff --git a/src/qml/debugger/qqmldebugclient_p.h b/src/qml/debugger/qqmldebugclient_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQMLDEBUGCLIENT_H
+#define QQMLDEBUGCLIENT_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 <QtNetwork/qtcpsocket.h>
+
+#include <private/qtqmlglobal_p.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+
+class QQmlDebugConnectionPrivate;
+class Q_QML_PRIVATE_EXPORT QQmlDebugConnection : public QIODevice
+{
+    Q_OBJECT
+    Q_DISABLE_COPY(QQmlDebugConnection)
+public:
+    QQmlDebugConnection(QObject * = 0);
+    ~QQmlDebugConnection();
+
+    void connectToHost(const QString &hostName, quint16 port);
+
+    qint64 bytesAvailable() const;
+    bool isConnected() const;
+    QAbstractSocket::SocketState state() const;
+    void flush();
+    bool isSequential() const;
+    void close();
+    bool waitForConnected(int msecs = 30000);
+
+signals:
+    void connected();
+    void stateChanged(QAbstractSocket::SocketState socketState);
+    void error(QAbstractSocket::SocketError socketError);
+
+protected:
+    qint64 readData(char *data, qint64 maxSize);
+    qint64 writeData(const char *data, qint64 maxSize);
+
+private:
+    QQmlDebugConnectionPrivate *d;
+    friend class QQmlDebugClient;
+    friend class QQmlDebugClientPrivate;
+};
+
+class QQmlDebugClientPrivate;
+class Q_QML_PRIVATE_EXPORT QQmlDebugClient : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QQmlDebugClient)
+    Q_DISABLE_COPY(QQmlDebugClient)
+
+public:
+    enum State { NotConnected, Unavailable, Enabled };
+
+    QQmlDebugClient(const QString &, QQmlDebugConnection *parent);
+    ~QQmlDebugClient();
+
+    QString name() const;
+    float serviceVersion() const;
+    State state() const;
+
+    virtual void sendMessage(const QByteArray &);
+
+protected:
+    virtual void stateChanged(State);
+    virtual void messageReceived(const QByteArray &);
+
+private:
+    friend class QQmlDebugConnection;
+    friend class QQmlDebugConnectionPrivate;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QQMLDEBUGCLIENT_H