private AuthScope authScope;

    private Credentials credentials;

    private AuthScheme authScheme;

    /**
     * Initializes the AuthenticationImpl with the provided AuthScope and Credentials,
     * and sets the AuthScheme to null.
     * @param authScope The authentication scope.
     * @param credentials The credentials.
     */

            return new FormScheme(parameterMap);
        }
        return null;
    }

    private AuthScope getAuthScope() {
        if (StringUtil.isBlank(getHostname())) {
            return AuthScope.ANY;
        }

        int p;
        if (getPort() == null) {
            p = AuthScope.ANY_PORT;
        } else {
            p = getPort();
        }

        String r = getAuthRealm();

    /**
     * Retrieves the authentication scope associated with this authentication.
     *
     * @return the {@link AuthScope} object representing the authentication scope.
     */
    AuthScope getAuthScope();

    /**
     * Retrieves the credentials associated with the current authentication.
     *
     * @return the credentials object containing authentication details.
     */
    Credentials getCredentials();

    /**