/**
* Prepare a guzzle http request
*
* @param string $verb
* @param url $url
* @param array $data
* @param bool $async
* @return GuzzleHttp\Request
*/
protected function prepareRequest($verb, $url, array $data, $async = false)
{
if (version_compare(ClientInterface::VERSION, '6') === 1) {
$options = ['form_params' => $data];
} else {
$options = ['body' => $data];
}
$options['future'] = $async;
return $this->client->createRequest($verb, $url, $options);
}