#include <QtGui/qtextdocument.h>
#ifndef QTEXTDOCUMENT_H
class QTextDocument: public QObject{
   /* Some contents are skipped to improve readability */
   public: enum FindFlag{
      FindBackward = 1,
      FindCaseSensitively = 2,
      FindWholeWords = 4,
   };
   /* ... */
};
#endif // QTEXTDOCUMENT_H