public function setOptions(array $options = [])
    {
        parent::setOptions($options);

        if (array_key_exists('nullifyEmpty', $options)) {
            $this->options['nullifyEmpty'] = (bool) $options['nullifyEmpty'];
        }
        if (array_key_exists('default', $options)) {
            $this->setDefaultValue($options['default']);
        }

        return $this;
    }