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diff --git a/qtinterface/qt4/Qt/qpair.h b/qtinterface/qt4/Qt/qpair.h
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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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.
+**
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPAIR_H
+#define QPAIR_H
+
+#include <QtCore/qdatastream.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+template <class T1, class T2>
+struct QPair
+{
+    typedef T1 first_type;
+    typedef T2 second_type;
+
+    QPair() : first(T1()), second(T2()) {}
+    QPair(const T1 &t1, const T2 &t2) : first(t1), second(t2) {}
+
+    QPair<T1, T2> &operator=(const QPair<T1, T2> &other)
+    { first = other.first; second = other.second; return *this; }
+
+    T1 first;
+    T2 second;
+};
+
+template <class T1, class T2>
+Q_INLINE_TEMPLATE bool operator==(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
+{ return p1.first == p2.first && p1.second == p2.second; }
+
+template <class T1, class T2>
+Q_INLINE_TEMPLATE bool operator!=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
+{ return !(p1 == p2); }
+
+template <class T1, class T2>
+Q_INLINE_TEMPLATE bool operator<(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
+{
+    return p1.first < p2.first || (!(p2.first < p1.first) && p1.second < p2.second);
+}
+
+template <class T1, class T2>
+Q_INLINE_TEMPLATE bool operator>(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
+{
+    return p2 < p1;
+}
+
+template <class T1, class T2>
+Q_INLINE_TEMPLATE bool operator<=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
+{
+    return !(p2 < p1);
+}
+
+template <class T1, class T2>
+Q_INLINE_TEMPLATE bool operator>=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
+{
+    return !(p1 < p2);
+}
+
+template <class T1, class T2>
+Q_OUTOFLINE_TEMPLATE QPair<T1, T2> qMakePair(const T1 &x, const T2 &y)
+{
+    return QPair<T1, T2>(x, y);
+}
+
+#ifndef QT_NO_DATASTREAM
+template <class T1, class T2>
+inline QDataStream& operator>>(QDataStream& s, QPair<T1, T2>& p)
+{
+    s >> p.first >> p.second;
+    return s;
+}
+
+template <class T1, class T2>
+inline QDataStream& operator<<(QDataStream& s, const QPair<T1, T2>& p)
+{
+    s << p.first << p.second;
+    return s;
+}
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QPAIR_H