#include <QtGui/qbrush.h>
#ifndef QBRUSH_H
class QLinearGradient: public QGradient{
   /* Some contents are skipped to improve readability */
   public: QLinearGradient(qreal xStart, qreal yStart, qreal xFinalStop, qreal yFinalStop);
   /* ... */
};
#endif // QBRUSH_H