private function isExistingOptionalFile(SplFileInfo $file, string $webDir): bool
    {
        $path = $file->getRelativePathname();

        return 'robots.txt' === $path && $this->fs->exists($webDir.'/'.$path);
    }
private function isExistingOptionalFile(SplFileInfo $file, string $webDir): bool
    {
        $path = $file->getRelativePathname();

        return 'robots.txt' === $path && $this->fs->exists($webDir.'/'.$path);
    }
private function isExistingOptionalFile ( SplFileInfo $ file , string $ webDir ) : bool { $ path = $ file -> getRelativePathname ( ) ; return 'robots.txt' === $ path && $ this -> fs -> exists ( $ webDir . '/' . $ path ) ; }
Checks if an optional file exists.
Checks if an optional file exists .