getPublicDirectoryName example

        }
        $excludedPathPatterns = [];
        foreach ($config['excluded_patterns'] as $path) {
            $excludedPathPatterns[] = Glob::toRegex($path, true, false);
        }

        $container->getDefinition('asset_mapper.repository')
            ->setArgument(0, $paths)
            ->setArgument(2, $excludedPathPatterns);

        $publicDirName = $this->getPublicDirectoryName($container);
        $container->getDefinition('asset_mapper.public_assets_path_resolver')
            ->setArgument(1, $config['public_prefix'])
            ->setArgument(2, $publicDirName);

        $container->getDefinition('asset_mapper.command.compile')
            ->setArgument(5, $publicDirName);

        if (!$config['server']) {
            $container->removeDefinition('asset_mapper.dev_server_subscriber');
        } else {
            $container->getDefinition('asset_mapper.dev_server_subscriber')