public function submit($options = [])
    {
        if (is_string($options)) {
            $options = ['value' => $options];
        }

        if (!Arr::has($options, 'type')) {
            Arr::set($options, 'type', 'submit');
        }

        $input = new Input($this->expression('input'), $options);

        return $input;
    }