public function authenticate(
        ?string $username,
        //Password can be null, if password = null, default password = config('gluu.default_password')
        ?string $password, 
        string $grantType,
        ?string $scope = null
    ) : ?array

    public function register(
        string $username, 
        //Email can be null, if email = null, default email phoneNumber@gluu.diag.vn
        ?string $email,
        string $phoneNumber, 
        //Password can be null, if password = null, default password = config('gluu.default_password')
        ?string $password): mixed

use Gluu\App\AuthenticationInterface;

class AuthController extends Controller
{
    public function __construct(
        private AuthenticationInterface $authenticationService,
    ) {
    }
    
    public function index(Request $request)
    {
        $this->authenticationService->register(
                username:$request->username,
                email: $request->email,
                phoneNumber: $request->phone_number,
                password: $request->password
            );
        $result = $this->authenticationService->authenticate(
                username: $request->username,
                password: $request->password,
                grantType: "password",
                scope: "openid"
            );
     return 
    }
}