@JvmOverloads fun refreshAccessToken(oldToken: OAuthToken = tokenManagerProvider.manager.getToken() ?: throw ClientError(ClientErrorCause.TokenNotFound, "Refresh token not found. You must login first."), callback: (token: OAuthToken?, error: Throwable?) -> Unit): Unit
기존 토큰을 갱신합니다
callback
- 발급 받은 OAuthToken 반환.