#include <QtCore/qhash.h>
#ifndef QHASH_H
template < typename Key, typename T > class QHash{
   /* Some contents are skipped to improve readability */
   private: union /*anonymous*/{
      /* ... */
      class QHashNode < Key, T >* e;
      /* ... */
   };
   /* ... */
};
#endif // QHASH_H