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.
     */

        final String realm = paramMap.get(CRAWLER_WEB_AUTH + "." + webAuthName + ".realm");
        AuthScope authScope;
        if (StringUtil.isBlank(hostname)) {
            authScope = AuthScope.ANY;
        } else {
            int p = AuthScope.ANY_PORT;
            if (StringUtil.isNotBlank(port)) {
                try {
                    p = Integer.parseInt(port);

            final AuthScope authScope = authentication.getAuthScope();
            credentialsProvider.setCredentials(authScope, authentication.getCredentials());
            final AuthScheme authScheme = authentication.getAuthScheme();
            if (authScope.getHost() != null && authScheme != null) {
                final HttpHost targetHost = new HttpHost(authScope.getHost(), authScope.getPort());

            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();

    /**

            } else {
                final AuthScope authScope = authentication.getAuthScope();
                credentialsProvider.setCredentials(authScope, authentication.getCredentials());
                if (authScope.getHost() != null && authScheme != null) {
                    final HttpHost targetHost = new HttpHost(authScope.getHost(), authScope.getPort());
                    authCache.put(targetHost, authScheme);

    //
    // DigestScheme digestScheme = new DigestScheme();
    // List<Authentication> basicAuthList = new ArrayList<Authentication>();
    // basicAuthList.add(new AuthenticationImpl(
    // new AuthScope("www.hoge.com", 80),
    // new UsernamePasswordCredentials("username", "password"),
    // digestScheme));
    // paramMap.put(
    // HcHttpClient.AUTHENTICATIONS_PROPERTY,