#include <QtGui/qstyleoption.h>
#ifndef QSTYLEOPTION_H
class QStyleOptionProgressBarV2: public QStyleOptionProgressBar{
   /* Some contents are skipped to improve readability */
   public: QStyleOptionProgressBarV2(class QStyleOptionProgressBarV2 const & other);
   /* ... */
};
#endif // QSTYLEOPTION_H