JFIFxxC      C  " }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3Rbrcount() by the chunk size. * Depending on the implementation of the query() method (eg. When using a groupBy clause), this calculation might not be correct. * * When this is the case, you should use this method to provide a custom calculation of the query size. * * @return int */ public function querySize(): int; }