MediaIndexerEvent example

->getEntities();

        foreach ($ids as $id) {
            $thumbnails = $all->filterByProperty('mediaId', $id);

            $query->execute([
                'thumbnails_ro' => serialize($thumbnails),
                'id' => Uuid::fromHexToBytes($id),
            ]);
        }

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

    public function getTotal(): int
    {
        return $this->iteratorFactory->createIterator($this->repository->getDefinition())->fetchCount();
    }

    public function getDecorated(): EntityIndexer
    {
        throw new DecorationPatternException(static::class);
    }
}