getReviewsCount example

        if ($productConfig->isStatic()) {
            $product = $this->getSlotProduct($slot, $result, $productConfig->getStringValue());
        }

        /** @var SalesChannelProductEntity|null $product */
        if ($product !== null) {
            $buyBox->setProduct($product);
            $buyBox->setProductId($product->getId());
            $buyBox->setConfiguratorSettings($this->configuratorLoader->load($product, $resolverContext->getSalesChannelContext()));
            $buyBox->setTotalReviews($this->getReviewsCount($product, $resolverContext->getSalesChannelContext()));
        }
    }

    private function getReviewsCount(SalesChannelProductEntity $product, SalesChannelContext $context): int
    {
        $reviewCriteria = $this->createReviewCriteria($context, $product->getParentId() ?? $product->getId());

        $aggregation = $this->repository->aggregate($reviewCriteria, $context->getContext())->get('review-count');

        return $aggregation instanceof CountResult ? $aggregation->getCount() : 0;
    }