#include <QtCore/qabstractfileengine.h>
#ifndef QABSTRACTFILEENGINE_H
class QAbstractFileEngine{
public: virtual bool extension(enum QAbstractFileEngine::Extension extension, class QAbstractFileEngine::ExtensionOption const * option = 0, class QAbstractFileEngine::ExtensionReturn* output = 0);
};
#endif // QABSTRACTFILEENGINE_H