Auth0\SDK\API\Authentication::__construct PHP Метод

    public function __construct($domain, $client_id = null, $client_secret = null, $guzzleOptions = [])
    {
        $this->client_id = $client_id;
        $this->client_secret = $client_secret;
        $this->domain = $domain;
        $this->guzzleOptions = $guzzleOptions;
        $this->setApiClient();
        if (!empty($client_id) && !empty($client_secret)) {
            $this->access_token = $this->oauth_token($client_id, $client_secret);
        }
    }