#include <QtSql/qsqldriverplugin.h> #ifndef QSQLDRIVERPLUGIN_H class QSqlDriverPlugin: public QObject, public QSqlDriverFactoryInterface{ /* Some contents are skipped to improve readability */ public: static inline class QString tr(char const * s, char const * c, int n); /* ... */ }; #endif // QSQLDRIVERPLUGIN_H