@LauncherAPI
public Auth(String username, String accessToken, String serverID) {
this(username);
if (accessToken == null && serverID != null) {
throw new IllegalArgumentException("Can't set access token while server ID is null");
<BUG>}
this.accessToken = accessToken == null ?
null : SecurityHelper.verifyToken(accessToken);
this.serverID = serverID == null ?
null : JoinServerRequest.verifyServerID(serverID);</BUG>
}

@LauncherAPI
public Auth(String username) {
this.username = VerifyHelper.verifyUsername(username);
