public function getModels($categoryId, $params = array())
    {
        $resource = 'category/' . $categoryId . '/models.json';
        $resource .= '?' . $this->buildQueryString($params);
        $response = $this->getServiceResponse($resource);

        $getCategoryModelsResponse = new Models\ResponseCategoryGetModels($response);

        return $getCategoryModelsResponse;
    }