getDenormalizationContext example

$this->expectExceptionMessage(sprintf('Parameter "groups" of annotation "%s" must be a string or an array of strings. Got "stdClass"', Context::class));

        new Context(context: ['foo' => 'bar'], groups: ['fine', new \stdClass()]);
    }

    public function testAsFirstArg()
    {
        $context = new Context(['foo' => 'bar']);

        self::assertSame(['foo' => 'bar'], $context->getContext());
        self::assertEmpty($context->getNormalizationContext());
        self::assertEmpty($context->getDenormalizationContext());
        self::assertEmpty($context->getGroups());
    }

    public function testAsContextArg()
    {
        $context = new Context(context: ['foo' => 'bar']);

        self::assertSame(['foo' => 'bar'], $context->getContext());
        self::assertEmpty($context->getNormalizationContext());
        self::assertEmpty($context->getDenormalizationContext());
        self::assertEmpty($context->getGroups());
    }

private function setAttributeContextsForGroups(Context $annotation, AttributeMetadataInterface $attributeMetadata): void
    {
        if ($annotation->getContext()) {
            $attributeMetadata->setNormalizationContextForGroups($annotation->getContext(), $annotation->getGroups());
            $attributeMetadata->setDenormalizationContextForGroups($annotation->getContext(), $annotation->getGroups());
        }

        if ($annotation->getNormalizationContext()) {
            $attributeMetadata->setNormalizationContextForGroups($annotation->getNormalizationContext(), $annotation->getGroups());
        }

        if ($annotation->getDenormalizationContext()) {
            $attributeMetadata->setDenormalizationContextForGroups($annotation->getDenormalizationContext(), $annotation->getGroups());
        }
    }

    private function isKnownAttribute(string $attributeName): bool
    {
        foreach (self::KNOWN_ANNOTATIONS as $knownAnnotation) {
            if (is_a($attributeName, $knownAnnotation, true)) {
                return true;
            }
        }

        

private function setAttributeContextsForGroups(Context $annotation, AttributeMetadataInterface $attributeMetadata): void
    {
        if ($annotation->getContext()) {
            $attributeMetadata->setNormalizationContextForGroups($annotation->getContext(), $annotation->getGroups());
            $attributeMetadata->setDenormalizationContextForGroups($annotation->getContext(), $annotation->getGroups());
        }

        if ($annotation->getNormalizationContext()) {
            $attributeMetadata->setNormalizationContextForGroups($annotation->getNormalizationContext(), $annotation->getGroups());
        }

        if ($annotation->getDenormalizationContext()) {
            $attributeMetadata->setDenormalizationContextForGroups($annotation->getDenormalizationContext(), $annotation->getGroups());
        }
    }

    private function isKnownAttribute(string $attributeName): bool
    {
        foreach (self::KNOWN_ANNOTATIONS as $knownAnnotation) {
            if (is_a($attributeName, $knownAnnotation, true)) {
                return true;
            }
        }