* $session = new class {
* use LineSessionTrait;
* protected function onRequest(string $requestLine): ?string {
- * return "Thanks";
+ * return 'Thanks';
* }
* protected function onException(string $requestLine, \Throwable $t): ?string {
- * return "Oops";
+ * return 'Oops';
* }
* }
* $session->setIO(STDIN, STDOUT)->run();