getReviewRatingMatrix example

$data->setReviews($this->loadProductReviews($product, $request, $resolverContext->getSalesChannelContext()));
        }
    }

    private function loadProductReviews(SalesChannelProductEntity $product, Request $request, SalesChannelContext $context): ProductReviewResult
    {
        $reviewCriteria = $this->createReviewCriteria($request, $context);
        $reviews = $this->productReviewRoute
            ->load($product->getParentId() ?? $product->getId(), $request, $context, $reviewCriteria)
            ->getResult();

        $matrix = $this->getReviewRatingMatrix($reviews);

        $reviewResult = ProductReviewResult::createFrom($reviews);
        $reviewResult->setMatrix($matrix);
        $reviewResult->setProductId($product->getId());
        $reviewResult->setCustomerReview($this->getCustomerReview($product->getId(), $context));
        $reviewResult->setTotalReviews($matrix->getTotalReviewCount());
        $reviewResult->setProductId($product->getId());
        $reviewResult->setParentId($product->getParentId() ?? $product->getId());

        return $reviewResult;
    }