ApiPlatform\Core\Metadata\Property\Factory\SerializerPropertyMetadataFactory::transformLinkStatus PHP Method

    private function transformLinkStatus(PropertyMetadata $propertyMetadata, array $normalizationGroups = null, array $denormalizationGroups = null) : PropertyMetadata
    {
        $propertyMetadata = $propertyMetadata->withReadableLink(true);
        $propertyMetadata = $propertyMetadata->withWritableLink(true);
        // No need to check link status if property is not readable and not writable
        if (false === $propertyMetadata->isReadable() && false === $propertyMetadata->isWritable()) {
            return $propertyMetadata;
        }
        $type = $propertyMetadata->getType();
        if (null === $type) {
            return $propertyMetadata;
        }
        $relatedClass = $type->isCollection() && ($collectionValueType = $type->getCollectionValueType()) ? $collectionValueType->getClassName() : $type->getClassName();
        if (null === $relatedClass) {
            return $propertyMetadata;
        }
        // No need to check link status if related class is not a resource
        try {
            $this->resourceMetadataFactory->create($relatedClass);
        } catch (ResourceClassNotFoundException $e) {
            return $propertyMetadata;
        }
        $relatedGroups = $this->getResourceSerializerGroups($relatedClass);
        $propertyMetadata = $propertyMetadata->withReadableLink(null !== $normalizationGroups && !empty(array_intersect($normalizationGroups, $relatedGroups)));
        $propertyMetadata = $propertyMetadata->withWritableLink(null !== $denormalizationGroups && !empty(array_intersect($denormalizationGroups, $relatedGroups)));
        return $propertyMetadata;
    }