#include <QtCore/qcoreapplication.h>
#ifndef QCOREAPPLICATION_H
class QCoreApplication: public QObject{
   /* Some contents are skipped to improve readability */
#ifndef QT_NO_TRANSLATION
   public: static void installTranslator(struct QTranslator* messageFile);
#endif
   /* ... */
};
#endif // QCOREAPPLICATION_H