public String getUsername() {
        return username;
    }
/**
 * Returns the password in plain text or <tt>null</tt> if the raw password
 * hashes were used to construct this <tt>NtlmPasswordAuthentication</tt>
 * object which will be the case when NTLM HTTP Authentication is
 * used. There is no way to retrieve a users password in plain text unless
 * it is supplied by the user at runtime.
 */
    public String getPassword() {