#include <QtGui/qstyleoption.h>
#ifndef QSTYLEOPTION_H
#ifndef QT_NO_TABBAR
class QStyleOptionTab: public QStyleOption{
   /* Some contents are skipped to improve readability */
   public: class QFlags < enum QStyleOptionTab::CornerWidget > cornerWidgets;
   /* ... */
};
#endif
#endif // QSTYLEOPTION_H