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