NewsletterRecipientIndexerEvent example

$context = $message->getContext();

        if ($message->allow(self::CUSTOMER_NEWSLETTER_SALES_CHANNELS_UPDATER)) {
            if ($message->isDeletedNewsletterRecipients()) {
                $this->customerNewsletterSalesChannelsUpdater->delete($ids);
            } else {
                $this->customerNewsletterSalesChannelsUpdater->update($ids);
            }
        }

        $this->eventDispatcher->dispatch(new NewsletterRecipientIndexerEvent($ids, $context, $message->getSkip()));
    }

    public function getOptions(): array
    {
        return [
            self::CUSTOMER_NEWSLETTER_SALES_CHANNELS_UPDATER,
        ];
    }

    public function getTotal(): int
    {