refresh
@JvmOverloads
토큰 갱신
Refreshes the tokens
Parameters
old
토큰 저장소에 저장된 토큰
Tokens saved in the token manager
refresh
fun refreshToken(oldToken: OAuthToken = tokenManagerProvider.manager.getToken() ?: throw ClientError(
ClientErrorCause.TokenNotFound,
"Refresh token not found. You must login first."
), callback: (token: OAuthToken?, error: Throwable?) -> Unit)