#include <QtGui/qimageiohandler.h>
#ifndef QIMAGEIOHANDLER_H
class QImageIOPlugin: public QObject, public QImageIOHandlerFactoryInterface{
   /* Some contents are skipped to improve readability */
   public: virtual int qt_metacall(enum QMetaObject::Call, int, void* *);
   /* ... */
};
#endif // QIMAGEIOHANDLER_H