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diff --git a/src/xmlpatterns/api/qxmlserializer.h b/src/xmlpatterns/api/qxmlserializer.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtXmlPatterns module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QXMLSERIALIZER_H
+#define QXMLSERIALIZER_H
+
+#include <QtXmlPatterns/QAbstractXmlReceiver>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(XmlPatterns)
+
+class QIODevice;
+class QTextCodec;
+class QXmlQuery;
+class QXmlSerializerPrivate;
+
+class Q_XMLPATTERNS_EXPORT QXmlSerializer : public QAbstractXmlReceiver
+{
+public:
+    QXmlSerializer(const QXmlQuery &query,
+                   QIODevice *outputDevice);
+
+    virtual void namespaceBinding(const QXmlName &nb);
+
+    virtual void characters(const QStringRef &value);
+    virtual void comment(const QString &value);
+
+    virtual void startElement(const QXmlName &name);
+
+    virtual void endElement();
+
+    virtual void attribute(const QXmlName &name,
+                           const QStringRef &value);
+
+    virtual void processingInstruction(const QXmlName &name,
+                                       const QString &value);
+
+    virtual void atomicValue(const QVariant &value);
+
+    virtual void startDocument();
+    virtual void endDocument();
+    virtual void startOfSequence();
+    virtual void endOfSequence();
+
+    QIODevice *outputDevice() const;
+
+    void setCodec(const QTextCodec *codec);
+    const QTextCodec *codec() const;
+
+    /* The members below are internal, not part of the public API, and
+     * unsupported. Using them leads to undefined behavior. */
+    virtual void item(const QPatternist::Item &item);
+protected:
+    QXmlSerializer(QAbstractXmlReceiverPrivate *d);
+
+private:
+    inline bool isBindingInScope(const QXmlName nb) const;
+
+    /**
+     * Where in the document the QXmlSerializer is currently working.
+     */
+    enum State
+    {
+        /**
+         * Before the document element. This is the XML prolog where the
+         * XML declaration, and possibly comments and processing
+         * instructions are found.
+         */
+        BeforeDocumentElement,
+
+        /**
+         * This is inside the document element, at any level.
+         */
+        InsideDocumentElement
+    };
+
+    /**
+     * If the current state is neither BeforeDocumentElement or
+     * AfterDocumentElement.
+     */
+    inline bool atDocumentRoot() const;
+
+    /**
+     * Closes any open element start tag. Must be called before outputting
+     * any element content.
+     */
+    inline void startContent();
+
+    /**
+     * Escapes content intended as text nodes for elements.
+     */
+    void writeEscaped(const QString &toEscape);
+
+    /**
+     * Identical to writeEscaped(), but also escapes quotes.
+     */
+    inline void writeEscapedAttribute(const QString &toEscape);
+
+    /**
+     * Writes out @p name.
+     */
+    inline void write(const QXmlName &name);
+
+    inline void write(const char *const chars);
+    /**
+     * Encodes and writes out @p content.
+     */
+    inline void write(const QString &content);
+
+    Q_DECLARE_PRIVATE(QXmlSerializer)
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif