#include <QtSql/qsqldatabase.h>
#ifndef QSQLDATABASE_H
class QSqlDatabase{
   /* Some contents are skipped to improve readability */
   public: static class QSqlDatabase database(class QString const & connectionName = QLatin1String::QLatin1String(1), bool open = 1);
   /* ... */
};
#endif // QSQLDATABASE_H