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diff --git a/src/lib/buildgraph/transformer.h b/src/lib/buildgraph/transformer.h
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+/*************************************************************************
+**
+** This file is part of the Qt Build Suite
+**
+** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).*
+**
+** Contact: Nokia Corporation (info@qt.nokia.com)
+**
+** 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.
+**
+**************************************************************************/
+
+#ifndef TRANSFORMER_H
+#define TRANSFORMER_H
+
+#include "tools/persistence.h"
+
+#include <QtCore/QSet>
+#include <QtCore/QSharedPointer>
+#include <QtScript/QScriptEngine>
+
+QT_BEGIN_NAMESPACE
+
+QT_END_NAMESPACE
+
+namespace qbs {
+
+class Artifact;
+class AbstractCommand;
+class Rule;
+
+class Transformer : public PersistentObject
+{
+public:
+    typedef QSharedPointer<Transformer> Ptr;
+
+    Transformer();
+    ~Transformer();
+
+    QSet<Artifact*> inputs; // can be different from "children of all outputs"
+    QSet<Artifact*> outputs;
+    QSharedPointer<Rule> rule;
+    QList<AbstractCommand *> commands;
+
+    static QScriptValue translateFileConfig(QScriptEngine *scriptEngine,
+                                            Artifact *artifact,
+                                            const QString &defaultModuleName);
+    static QScriptValue translateInOutputs(QScriptEngine *scriptEngine,
+                                           const QSet<Artifact*> &artifacts,
+                                           const QString &defaultModuleName);
+
+    void setupInputs(QScriptEngine *scriptEngine, QScriptValue targetScriptValue);
+    void setupOutputs(QScriptEngine *scriptEngine, QScriptValue targetScriptValue);
+
+private:
+    void load(PersistentPool &pool, PersistentObjectData &data);
+    void store(PersistentPool &pool, PersistentObjectData &data) const;
+};
+
+} // namespace qbs
+
+#endif // TRANSFORMER_H