#include <QtGui/qabstractspinbox.h>
#ifndef QABSTRACTSPINBOX_H
#ifndef QT_NO_SPINBOX
class QAbstractSpinBox: public QWidget{
   /* Some contents are skipped to improve readability */
   public: virtual void clear();
   /* ... */
};
#endif // QT_NO_SPINBOX
#endif // QABSTRACTSPINBOX_H