final class CommentService
{
    private CommentRepositoryInterface $commentRepository;
    private DeferredEventService $eventService;

    public function create(string $threadId, string $userId, string $body, ?string $byUserId = null): Comment
    {
        $this->eventService->pushEvent(new EventBefore());
        $comment = new Comment(
            UuidHelper::generateTimestampFirstCombUuid4(),
            $thread->getId(),
            $userId,
            $body,
            $byUserId,
        );
        $this->eventService->pushEvent(new EventInside());

        $this->commentRepository->save($comment);
        $this->eventService->pushEvent(new EventAfter());

        $this->eventService->releaseEvents();

        return $comment;
    }
}

$entity->methodA($x, $y);
$entity->methodB();

$entity->methodA($x, $y, $deferredEventService);
$entity->methodB($deferredEventService);