PropertyInfoLoader example

true,
                true,
                true,
                true,
                true,
                true,
                false,
                true
            ))
        ;

        $propertyInfoLoader = new PropertyInfoLoader($propertyInfoStub, $propertyInfoStub, $propertyInfoStub, '{.*}');

        $validator = Validation::createValidatorBuilder()
            ->enableAttributeMapping()
            ->addLoader($propertyInfoLoader)
            ->getValidator()
        ;

        $classMetadata = $validator->getMetadataFor(new PropertyInfoLoaderEntity());

        $nullableStringMetadata = $classMetadata->getPropertyMetadata('nullableString');
        $this->assertCount(1, $nullableStringMetadata);