#include <QtCore/qstring.h>
#ifndef QSTRING_H
class QString{
   /* Some contents are skipped to improve readability */
   public: enum NormalizationForm{
      NormalizationForm_D = 0,
      NormalizationForm_C = 1,
      NormalizationForm_KD = 2,
      NormalizationForm_KC = 3,
   };
   /* ... */
};
#endif // QSTRING_H