#include <QtCore/qhash.h>
#ifndef QHASH_H
template < > class QTypeInfo < struct QHashDummyValue >{
   /* Some contents are skipped to improve readability */
   public: enum /*anonymous*/{
      /* ... */
      isDummy = 1,
      /* ... */
   };
   /* ... */
};
#endif // QHASH_H