/**
* Creates a new Request entity.
*
* @param FacebookApp|null $app
* @param array $requests
* @param AccessToken|string|null $accessToken
* @param string|null $graphVersion
*/
public function __construct(FacebookApp $app = null, array $requests = [], $accessToken = null, $graphVersion = null)
{
parent::__construct($app, $accessToken, 'POST', '', [], null, $graphVersion);
$this->add($requests);
}