FormTypeCsrfExtension example

public function __construct(CsrfTokenManagerInterface $tokenManager, TranslatorInterface $translator = null, string $translationDomain = null)
    {
        $this->tokenManager = $tokenManager;
        $this->translator = $translator;
        $this->translationDomain = $translationDomain;
    }

    protected function loadTypeExtensions(): array
    {
        return [
            new Type\FormTypeCsrfExtension($this->tokenManager, true, '_token', $this->translator, $this->translationDomain),
        ];
    }
}

$options['show_deprecated'] = false;
        yield [null, $options, 'defaults_1'];

        $options['core_types'] = [];
        $options['service_types'] = [FooType::class];
        $options['show_deprecated'] = true;
        yield [null, $options, 'types_with_deprecated_options'];
    }

    public static function getDescribeResolvedFormTypeTestData()
    {
        $typeExtensions = [new FormTypeCsrfExtension(new CsrfTokenManager())];
        $parent = new ResolvedFormType(new FormType(), $typeExtensions);

        yield [new ResolvedFormType(new ChoiceType(), [], $parent), ['decorated' => false, 'show_deprecated' => false], 'resolved_form_type_1'];
        yield [new ResolvedFormType(new FormType()), ['decorated' => false, 'show_deprecated' => false], 'resolved_form_type_2'];
        yield [new ResolvedFormType(new FooType(), [], $parent), ['decorated' => false, 'show_deprecated' => true], 'deprecated_options_of_type'];
    }

    public static function getDescribeOptionTestData()
    {
        $parent = new ResolvedFormType(new FormType());
        $options['decorated'] = false;