#include <QtSql/qsqldriverplugin.h> #ifndef QSQLDRIVERPLUGIN_H class QSqlDriverPlugin: public QObject, public QSqlDriverFactoryInterface{ /* Some contents are skipped to improve readability */ public: virtual int qt_metacall(enum QMetaObject::Call, int, void* *); /* ... */ }; #endif // QSQLDRIVERPLUGIN_H