src/services/MailChimpClient.php
private static function getData($uri, $options = [])
    {
         return json_decode(self::$client->get(self::$api_version.'/'.$uri, $options)->getBody()->getContents());
    }
private static function getData($uri, $options = [])
    {
         return json_decode(self::$client->get(self::$api_version.'/'.$uri, $options)->getBody()->getContents());
    }
Shortcut.

@param $uri
@param array $options
@return mixed