private WebConfig webConfig;

    public WebAuthenticationConfig getWebAuthenticationConfig() {
        if (StringUtil.isEmpty(getUsername())) {
            throw new CrawlerSystemException(
                    "Username is empty in WebAuthentication configuration. A valid username must be provided for authentication.");
        }

        final WebAuthenticationConfig config = new WebAuthenticationConfig();

import org.codelibs.fess.crawler.client.http.config.CredentialsConfig.CredentialsType;
import org.codelibs.fess.crawler.client.http.config.WebAuthenticationConfig;
import org.codelibs.fess.crawler.client.http.config.WebAuthenticationConfig.AuthSchemeType;
import org.codelibs.fess.crawler.client.smb.SmbAuthentication;
import org.codelibs.fess.crawler.client.smb.SmbClient;

        final List<WebAuthenticationConfig> authConfigList = new ArrayList<>();
        for (final WebAuthentication webAuth : webAuthList) {
            authConfigList.add(webAuth.getWebAuthenticationConfig());
        }
        paramMap.put(HcHttpClient.AUTHENTICATIONS_PROPERTY, authConfigList.toArray(new WebAuthenticationConfig[authConfigList.size()]));

        // request header