protected function prepareOptions()
    {
        $options = [];
        foreach ($this->getSelectOptions() as $value => $label) {
            $value     = addslashes($value);
            $label     = addslashes($label);
            $options[] = [
                'sValue' => $value,
                'sLabel' => $label,
            ];
        }

        return $options;
    }