@ParametricNullness E key,
          List<? extends E> list,
          int foundIndex) {
        // Of course, we have to use binary search to find the precise
        // breakpoint...
        int lower = 0;
        int upper = foundIndex;
        // Of course, we have to use binary search to find the precise breakpoint...
        // Everything between lower and upper inclusive compares at <= 0.

                                ? Sources.fromPath(installationSettingsFile)
                                : null)
                .projectSettingsSource(
                        projectSettingsFile != null && Files.exists(projectSettingsFile)
                                ? Sources.fromPath(projectSettingsFile)
                                : null)

    'env',
    ClientGrantsCredentialProvider('NZLOOFRSluw9RfIkuHGqfk1HFp4a',
                                   '0Z4VTG8uJBSekn42HE40DK9vQb4a'),
)

boto3_session = Session(botocore_session=bc_session)
s3 = boto3_session.resource('s3', endpoint_url='http://localhost:9000')

with open('/etc/hosts', 'rb') as data:
    s3.meta.client.upload_fileobj(data,
                                  'testbucket',
                                  'hosts',

import org.codelibs.fess.opensearch.config.exentity.DuplicateHost;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.JsonResponse;

import jakarta.annotation.Resource;

/**
 * API action for admin duplicate host management.
 * Provides RESTful API endpoints for managing duplicate host settings in the Fess search engine.

import org.lastaflute.web.Execute;
import org.lastaflute.web.login.exception.LoginFailureException;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.validation.VaErrorHook;

import jakarta.annotation.Resource;
import jakarta.servlet.http.HttpSession;

/**
 * The login action.
 */
public class LoginAction extends FessLoginAction {

    /**
     * Default constructor.
     */
    public LoginAction() {

import org.lastaflute.web.direction.FwWebDirection;
import org.lastaflute.web.ruts.process.ActionRuntime;
import org.lastaflute.web.ruts.renderer.JspHtmlRenderingProvider;

import jakarta.annotation.Resource;

/**
 * The framework assistant director for Fess.
 *
 * @author jflute
 */
public class FessFwAssistantDirector extends CachedFwAssistantDirector {

    //                                                                           Attribute
    //                                                                           =========
    @Resource
    private RelatedContentService relatedContentService;
    @Resource
    private RelatedContentPager relatedContentPager;

    // ===================================================================================

    //

    /**
     * The helper for related content.
     */
    @Resource
    protected RelatedContentHelper relatedContentHelper;

    /**
     * The helper for related queries.
     */
    @Resource
    protected RelatedQueryHelper relatedQueryHelper;

    // ===================================================================================

     */
    @Nonnull
    default Optional<OutputStream> stdErr() {
        return Optional.ofNullable(parserRequest().stdErr());
    }

    /**
     * Returns a list of core extensions from all sources, that were discovered and loaded. Each instance of
     * {@link CoreExtensions} is validated, but the list elements may have overlapping elements, that requires
     * some logic to sort out (like precedence).
     * <p>

        }

        @Override
        public void setupNeighborConcurrent(String exp, org.lastaflute.job.subsidiary.JobConcurrentExec concurrentExec,
                org.lastaflute.job.subsidiary.RegisteredJob... sources) {
            // Mock implementation
        }
    }