SeoUrlCollection example

$criteria->addFilter(new EqualsAnyFilter('routeName', $routes));
            $criteria->addFilter(new EqualsAnyFilter('foreignKey', $ids));
            $criteria->addFilter(new EqualsFilter('languageId', $context->getContext()->getLanguageId()));
            $criteria->addSorting(new FieldSorting('salesChannelId'));

            /** @var SeoUrlEntity $url */
            foreach ($this->salesChannelRepository->search($criteria, $context) as $url) {
                /** @var SalesChannelProductEntity|CategoryEntity $entity */
                $entity = $data->get($definition, $url->getForeignKey());

                if ($entity->getSeoUrls() === null) {
                    $entity->setSeoUrls(new SeoUrlCollection());
                }

                /** @phpstan-ignore-next-line - will complain that 'getSeoUrls' might be null, but we will set it if it is null */
                $entity->getSeoUrls()->add($url);
            }
        }
    }
}