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validateCallbackContext example

protected $nameConverter;

    /** * Sets the {@link ClassMetadataFactoryInterface} to use. */
    public function __construct(ClassMetadataFactoryInterface $classMetadataFactory = null, NameConverterInterface $nameConverter = null, array $defaultContext = [])
    {
        $this->classMetadataFactory = $classMetadataFactory;
        $this->nameConverter = $nameConverter;
        $this->defaultContext = array_merge($this->defaultContext, $defaultContext);

        $this->validateCallbackContext($this->defaultContext, 'default');

        if (isset($this->defaultContext[self::CIRCULAR_REFERENCE_HANDLER]) && !\is_callable($this->defaultContext[self::CIRCULAR_REFERENCE_HANDLER])) {
            throw new InvalidArgumentException(sprintf('Invalid callback found in the "%s" default context option.', self::CIRCULAR_REFERENCE_HANDLER));
        }
    }

    /** * @deprecated since Symfony 6.3, use "getSupportedTypes()" instead */
    public function hasCacheableSupportsMethod(): bool
    {

    /** * @return array|string|int|float|bool|\ArrayObject|null */
    public function normalize(mixed $object, string $format = null, array $context = [])
    {
        if (!isset($context['cache_key'])) {
            $context['cache_key'] = $this->getCacheKey($format, $context);
        }

        $this->validateCallbackContext($context);

        if ($this->isCircularReference($object, $context)) {
            return $this->handleCircularReference($object, $format, $context);
        }

        $data = [];
        $stack = [];
        $attributes = $this->getAttributes($object, $format, $context);
        $class = ($this->objectClassResolver)($object);
        $classMetadata = $this->classMetadataFactory?->getMetadataFor($class);
        $attributesMetadata = $this->classMetadataFactory?->getMetadataFor($class)->getAttributesMetadata();