#include <QtGui/qabstractscrollarea.h>
#ifndef QABSTRACTSCROLLAREA_H
#ifndef QT_NO_SCROLLAREA
class QAbstractScrollArea: public QFrame{
   /* Some contents are skipped to improve readability */
#ifndef QT_NO_WHEELEVENT
   protected: virtual void wheelEvent(struct QWheelEvent*);
#endif
   /* ... */
};
#endif // QT_NO_SCROLLAREA
#endif // QABSTRACTSCROLLAREA_H