* @param toClone the source authenticator to copy from
     */
    protected static void cloneInternal(NtlmPasswordAuthenticator cloned, NtlmPasswordAuthenticator toClone) {
        cloned.domain = toClone.domain;
        cloned.username = toClone.username;
        cloned.password = toClone.password != null ? toClone.password.clone() : null;
        cloned.type = toClone.type;
    }

    /**