#include <QtGui/qabstractitemview.h>
#ifndef QABSTRACTITEMVIEW_H
#ifndef QT_NO_ITEMVIEWS
class QAbstractItemView: public QAbstractScrollArea{
   /* Some contents are skipped to improve readability */
   protected: virtual int horizontalOffset() const = 0;
   /* ... */
};
#endif // QT_NO_ITEMVIEWS
#endif // QABSTRACTITEMVIEW_H