#include <QtCore/qlinkedlist.h>
#ifndef QLINKEDLIST_H
template < typename T > class QLinkedList{
   /* Some contents are skipped to improve readability */
   private: union /*anonymous*/{
      /* ... */
      struct QLinkedListData* d;
      /* ... */
   };
   /* ... */
};
#endif // QLINKEDLIST_H