return "Basic " + Base64.byteArrayToBase64(auth.getBytes());
return "Basic " + SVNBase64.byteArrayToBase64(auth.getBytes());
    private String getProxyAuthString(String username, String password) {        if (username != null && password != null) {            String auth = username + ":" + password;            return "Basic " + Base64.byteArrayToBase64(auth.getBytes());        }        return null;    }