[ 'domain' => [ 'schema' => env('SHORTENED_URL_SCHEMA', 'http'), 'hostname' => env('SHORTENED_URL_HOSTNAME'), ], 'shortcode_chars' => env('SHORTCODE_CHARS', UrlShortener::DEFAULT_CHARS), 'validate_url' => true, 'not_found_short_url' => [ 'enable_redirection' => false, 'redirect_to' => null, ], ], ];