#include <QtOpenGL/qglframebufferobject.h>
#ifndef QGLFRAMEBUFFEROBJECT_H
class QGLFramebufferObject: public QPaintDevice{
   /* Some contents are skipped to improve readability */
   protected: virtual int metric(enum QPaintDevice::PaintDeviceMetric metric) const
   /* ... */
};
#endif // QGLFRAMEBUFFEROBJECT_H