#include <QtSql/qsqlquery.h>
#ifndef QSQLQUERY_H
class QSqlQuery{
   /* Some contents are skipped to improve readability */
   public: void bindValue(class QString const & placeholder, struct QVariant const & val, QSql::ParamType type = QSql::In);
   /* ... */
};
#endif // QSQLQUERY_H