#include <QtCore/qmutex.h>
#ifndef QMUTEX_H
#ifndef QT_NO_THREAD
class QMutex{
   /* Some contents are skipped to improve readability */
   public: enum RecursionMode{
      NonRecursive = 0,
      Recursive = 1,
   };
   /* ... */
};
#else // QT_NO_THREAD
#endif // QT_NO_THREAD
#endif // QMUTEX_H