public function getViewHelperConfig()
    {
        return [
            'aliases' => [
                'losrecaptcha/recaptcha'  => Form\View\Helper\Captcha\ReCaptcha::class,
                'losrecaptcha/invisible'  => Form\View\Helper\Captcha\Invisible::class,
            ],
            'factories' => [
                Form\View\Helper\Captcha\ReCaptcha::class => InvokableFactory::class,
                Form\View\Helper\Captcha\Invisible::class => InvokableFactory::class,
            ],
        ];
    }