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diff --git a/src/network/kernel/qnetworkdatagram.h b/src/network/kernel/qnetworkdatagram.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 Intel Corporation.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtNetwork 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QNETWORKDATAGRAM_H
+#define QNETWORKDATAGRAM_H
+
+#include <QtCore/qbytearray.h>
+#include <QtNetwork/qhostaddress.h>
+
+#ifndef QT_NO_UDPSOCKET
+
+QT_BEGIN_NAMESPACE
+
+class QNetworkDatagramPrivate;
+class QUdpSocketPrivate;
+
+class Q_NETWORK_EXPORT QNetworkDatagram
+{
+public:
+    QNetworkDatagram();
+    QNetworkDatagram(const QByteArray &data, const QHostAddress &destinationAddress = QHostAddress(),
+                     quint16 port = 0); // implicit
+    QNetworkDatagram(const QNetworkDatagram &other);
+    QNetworkDatagram &operator=(const QNetworkDatagram &other);
+    ~QNetworkDatagram()
+    { if (d) destroy(d); }
+
+    QNetworkDatagram(QNetworkDatagram &&other) Q_DECL_NOTHROW
+        : d(other.d)
+    { other.d = Q_NULLPTR; }
+    QNetworkDatagram &operator=(QNetworkDatagram &&other) Q_DECL_NOTHROW
+    { swap(other); return *this; }
+
+    void swap(QNetworkDatagram &other) Q_DECL_NOTHROW
+    { qSwap(d, other.d); }
+
+    void clear();
+    bool isValid() const;
+    bool isNull() const
+    { return !isValid(); }
+
+    uint interfaceIndex() const;
+    void setInterfaceIndex(uint index);
+
+    QHostAddress senderAddress() const;
+    QHostAddress destinationAddress() const;
+    int senderPort() const;
+    int destinationPort() const;
+    void setSender(const QHostAddress &address, quint16 port = 0);
+    void setDestination(const QHostAddress &address, quint16 port);
+
+    int hopLimit() const;
+    void setHopLimit(int count);
+
+    QByteArray data() const;
+    void setData(const QByteArray &data);
+
+#ifdef Q_COMPILER_REF_QUALIFIERS
+    QNetworkDatagram makeReply(const QByteArray &payload) const &
+    { return makeReply_helper(payload); }
+    QNetworkDatagram makeReply(const QByteArray &payload) &&
+    { makeReply_helper_inplace(payload); return *this; }
+#else
+    QNetworkDatagram makeReply(const QByteArray &paylaod) const
+    { return makeReply_helper(paylaod); }
+#endif
+
+private:
+    QNetworkDatagramPrivate *d;
+    friend class QUdpSocket;
+    friend class QSctpSocket;
+
+    explicit QNetworkDatagram(QNetworkDatagramPrivate &dd);
+    QNetworkDatagram makeReply_helper(const QByteArray &data) const;
+    void makeReply_helper_inplace(const QByteArray &data);
+    static void destroy(QNetworkDatagramPrivate *d);
+};
+
+Q_DECLARE_SHARED(QNetworkDatagram)
+
+QT_END_NAMESPACE
+
+Q_DECLARE_METATYPE(QNetworkDatagram)
+
+#endif // QT_NO_UDPSOCKET
+
+#endif // QNETWORKDATAGRAM_H