if (crawlerClientFactory != null) {
            return crawlerClientFactory;
        }
        final CrawlerClientFactory factory = creator.get();

        final FileAuthenticationService fileAuthenticationService = ComponentUtil.getComponent(FileAuthenticationService.class);

        //  Parameters
        final Map<String, Object> paramMap = new HashMap<>();
        factory.setInitParameterMap(paramMap);

    //                                                                           =========
    /** Service for file authentication operations. */
    @Resource
    private FileAuthenticationService fileAuthenticationService;

    /** Pager for file authentication list pagination. */
    @Resource
    private FileAuthPager fileAuthenticationPager;

    /** Service for file configuration operations. */
    @Resource

import java.util.stream.Collectors;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.fess.app.pager.FileAuthPager;
import org.codelibs.fess.app.service.FileAuthenticationService;
import org.codelibs.fess.app.service.FileConfigService;
import org.codelibs.fess.app.web.CrudMode;
import org.codelibs.fess.app.web.api.ApiResult;
import org.codelibs.fess.app.web.api.ApiResult.ApiConfigResponse;