/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtDBus module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QDBUSREPLY_H+
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#define QDBUSREPLY_H+
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+
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#include <QtCore/qglobal.h>+
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#include <QtCore/qvariant.h>+
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+
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#include <QtDBus/qdbusmacros.h>+
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#include <QtDBus/qdbusmessage.h>+
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#include <QtDBus/qdbuserror.h>+
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#include <QtDBus/qdbusextratypes.h>+
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#include <QtDBus/qdbuspendingreply.h>+
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+
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#ifndef QT_NO_DBUS+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(DBus)+
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+
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Q_DBUS_EXPORT void qDBusReplyFill(const QDBusMessage &reply, QDBusError &error, QVariant &data);+
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+
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template<typename T>+
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class QDBusReply+
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{+
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    typedef T Type;+
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public:+
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    inline QDBusReply(const QDBusMessage &reply)+
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    {+
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        *this = reply;+
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    }+
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    inline QDBusReply& operator=(const QDBusMessage &reply)+
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    {+
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        QVariant data(qMetaTypeId(&m_data), reinterpret_cast<void*>(0));+
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        qDBusReplyFill(reply, m_error, data);+
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        m_data = qvariant_cast<Type>(data);+
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        return *this;+
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    }+
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+
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    inline QDBusReply(const QDBusPendingCall &pcall)+
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    {+
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        *this = pcall;+
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    }+
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    inline QDBusReply &operator=(const QDBusPendingCall &pcall)+
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    {+
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        QDBusPendingCall other(pcall);+
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        other.waitForFinished();+
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        return *this = other.reply();+
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    }+
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    inline QDBusReply(const QDBusPendingReply<T> &reply)+
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    {+
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        *this = static_cast<QDBusPendingCall>(reply);+
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    }+
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+
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    inline QDBusReply(const QDBusError &dbusError = QDBusError())+
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        : m_error(dbusError), m_data(Type())+
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    {+
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    }+
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    inline QDBusReply& operator=(const QDBusError& dbusError)+
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    {+
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        m_error = dbusError;+
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        m_data = Type();+
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        return *this;+
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    }+
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+
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    inline QDBusReply& operator=(const QDBusReply& other)+
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    {+
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        m_error = other.m_error;+
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        m_data = other.m_data;+
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        return *this;+
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    }+
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+
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    inline bool isValid() const { return !m_error.isValid(); }+
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+
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    inline const QDBusError& error() { return m_error; }+
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+
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    inline Type value() const+
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    {+
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        return m_data;+
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    }+
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+
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    inline operator Type () const+
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    {+
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        return m_data;+
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    }+
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+
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private:+
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    QDBusError m_error;+
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    Type m_data;+
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};+
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+
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# ifndef Q_QDOC+
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// specialize for QVariant:+
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template<> inline QDBusReply<QVariant>&+
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QDBusReply<QVariant>::operator=(const QDBusMessage &reply)+
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{+
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    void *null = 0;+
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    QVariant data(qMetaTypeId<QDBusVariant>(), null);+
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    qDBusReplyFill(reply, m_error, data);+
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    m_data = qvariant_cast<QDBusVariant>(data).variant();+
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    return *this;+
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}+
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+
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// specialize for void:+
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template<>+
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class QDBusReply<void>+
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{+
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public:+
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    inline QDBusReply(const QDBusMessage &reply)+
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        : m_error(reply)+
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    {+
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    }+
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    inline QDBusReply& operator=(const QDBusMessage &reply)+
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    {+
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        m_error = reply;+
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        return *this;+
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    }+
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    inline QDBusReply(const QDBusError &dbusError = QDBusError())+
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        : m_error(dbusError)+
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    {+
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    }+
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    inline QDBusReply(const QDBusPendingCall &pcall)+
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    {+
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        *this = pcall;+
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    }+
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    inline QDBusReply &operator=(const QDBusPendingCall &pcall)+
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    {+
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        QDBusPendingCall other(pcall);+
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        other.waitForFinished();+
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        return *this = other.reply();+
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    }+
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    inline QDBusReply& operator=(const QDBusError& dbusError)+
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    {+
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        m_error = dbusError;+
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        return *this;+
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    }+
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+
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    inline QDBusReply& operator=(const QDBusReply& other)+
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    {+
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        m_error = other.m_error;+
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        return *this;+
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    }+
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+
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    inline bool isValid() const { return !m_error.isValid(); }+
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+
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    inline const QDBusError& error() { return m_error; }+
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+
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private:+
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    QDBusError m_error;+
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};+
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# endif+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif // QT_NO_DBUS+
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#endif+
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