/**
     * @param $type
     * @return null|string
     */
    protected function getMapperClass($type)
    {
        $potentialEndpointClass = 'SphereMall\\MS\\Lib\\Mappers\\' . ucfirst($type) . 'Mapper';
        if (class_exists($potentialEndpointClass)) {
            return $potentialEndpointClass;
        }

        return null;
    }