$expiresIn $expiresIn : string The number of milliseconds when the refresh tokens expires in Type string
$expiresAt $expiresAt : \OCLC\Auth\unknown The time in UTC when the refresh token expires Type \OCLC\Auth\unknown
__construct() __construct(string $tokenValue, string $expiresIn, string $expiresAt) Construct a new Refresh Token Parameters string $tokenValue string $expiresIn string $expiresAt