#include <QtGui/qdirmodel.h>
#ifndef QDIRMODEL_H
#ifndef QT_NO_DIRMODEL
class QDirModel: public QAbstractItemModel{
   /* Some contents are skipped to improve readability */
   public: virtual int columnCount(class QModelIndex const & parent = QModelIndex::QModelIndex()) const
   /* ... */
};
#endif // QT_NO_DIRMODEL
#endif // QDIRMODEL_H