#include <QtCore/qhash.h>
#ifndef QHASH_H
template < typename Key, typename T > class QMultiHash: public QHash < Key, T >{
   /* Some contents are skipped to improve readability */
   public: inline typename QHash::iterator replace(Key const & akey, T const & avalue);
   /* ... */
};
#endif // QHASH_H