JFIFxxC      C  " }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3Rbrfamily, $this->toVersion()])); } protected function formatVersion(?string ...$args): string { return implode('.', array_filter($args, 'is_numeric')); } }