public function shares($path, $shortUrl = true, $locale = null, $sandbox = false)
        {
            // build url
            $url = '1/shares/';
            $url .= ($sandbox) ? 'sandbox/' : 'dropbox/';
            $url .= trim((string) $path, '/');

            // build parameters
            $parameters['short_url'] = ((bool) $shortUrl) ? 'true' : 'false';
            if($locale !== null) $parameters['locale'] = (string) $locale;

            // make the call
            return (array) $this->doCall($url, $parameters, 'POST');
        }