protected function _createIconAttr(array $options = [])
    {
        $iconOptions = ['class' => ''];

        if (Arr::key('icon', $options)) {
            if (Arr::key('iconClass', $options)) {
                $iconOptions = $this->_addClass($iconOptions, $options['iconClass']);
                unset($options['iconClass']);
            }

            list ($options, $iconOptions) = $this->_setIconOptions($options, $iconOptions);
        }

        return [$options, $iconOptions];
    }