#include <QtSql/qsqldriverplugin.h> #ifndef QSQLDRIVERPLUGIN_H class QSqlDriverPlugin: public QObject, public QSqlDriverFactoryInterface{ /* Some contents are skipped to improve readability */ public: virtual struct QSqlDriver* create(class QString const & key) = 0; /* ... */ }; #endif // QSQLDRIVERPLUGIN_H