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diff --git a/installerbuilder/libinstaller/kdtools/KDToolsCore/kdwatchdog.h b/installerbuilder/libinstaller/kdtools/KDToolsCore/kdwatchdog.h
new file mode 100644
index 000000000..4319b0e8b
--- /dev/null
+++ b/installerbuilder/libinstaller/kdtools/KDToolsCore/kdwatchdog.h
@@ -0,0 +1,60 @@
+/****************************************************************************
+** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB.  All rights reserved.
+**
+** This file is part of the KD Tools library.
+**
+** Licensees holding valid commercial KD Tools licenses may use this file in
+** accordance with the KD Tools Commercial License Agreement provided with
+** the Software.
+**
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU Lesser General Public License version 2 and version 3 as published by the
+** Free Software Foundation and appearing in the file LICENSE.LGPL included.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** Contact info@kdab.com if any conditions of this licensing are not
+** clear to you.
+**
+**********************************************************************/
+
+#ifndef __KDTOOLS__CORE__KDWATCHDOG_H__
+#define __KDTOOLS__CORE__KDWATCHDOG_H__
+
+#include <QtCore/QObject>
+
+#include <KDToolsCore/pimpl_ptr.h>
+
+class KDTOOLSCORE_EXPORT KDWatchdog : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY( bool active READ isActive WRITE setActive )
+    Q_PROPERTY( int timeoutInterval READ timeoutInterval WRITE setTimeoutInterval )
+
+public:
+    explicit KDWatchdog( QObject* parent = 0 );
+    ~KDWatchdog();
+
+    bool isActive() const;
+    int timeoutInterval() const;
+
+public Q_SLOTS:
+    void setTimeoutInterval( int interval );
+    
+    void setActive( bool active );
+    void activate();
+    void deactivate();
+    
+    void resetTimeoutTimer();
+
+Q_SIGNALS:
+    void timeout();
+
+private:
+    class Private;
+    kdtools::pimpl_ptr< Private > d;
+};
+
+#endif /* __KDTOOLS__CORE__KDWATCHDOG_H__ */