// When
        DfFinalTimeZoneProvider provider = curtainBeforeHook.createFinalTimeZoneProvider();

        // Then
        TimeZone first = provider.provide();
        TimeZone second = provider.provide();
        assertSame("Provider should return the same TimeZone instance", first, second);
    }

    public void test_createFinalTimeZoneProvider_toStringContainsTimeZoneId() {
        // When

    $ cd fess-15.0.x
    $ ./bin/fess

For more details, see the [Installation Guide](https://fess.codelibs.org/15.0/install/index.html).

### Docker

We provide Docker images on [ghcr.io](https://github.com/orgs/codelibs/packages). We also provide a Docker Compose (YAML) file in [this repository](https://github.com/codelibs/docker-fess/tree/master/compose). 

### Browser UI

- Search UI: http://localhost:8080/

        // test that it consistently returns null for any input
        assertNull(invokeMethod(provider, "findOnMainSchema", "TestClassification"));
        assertNull(invokeMethod(provider, "findOnMainSchema", ""));
        assertNull(invokeMethod(provider, "findOnMainSchema", "Some.Classification"));
        assertNull(invokeMethod(provider, "findOnMainSchema", "Project.TestClassification"));
    }

            protected final TimeZone provided = FessUserTimeZoneProcessProvider.centralTimeZone;

            @Override
            public TimeZone provide() {
                return provided;
            }

            @Override
            public String toString() {
                return DfTypeUtil.toClassTitle(this) + ":{" + provided.getID() + "}";
            }
        };
    }

        FessJsonResourceProvider provider1 = new FessJsonResourceProvider();
        FessJsonResourceProvider provider2 = new FessJsonResourceProvider();

        assertNotSame(provider1, provider2);

        // Both instances should have the same behavior
        assertEquals(provider1.isNullsSuppressed(), provider2.isNullsSuppressed());
        assertEquals(provider1.isPrettyPrintSuppressed(), provider2.isPrettyPrintSuppressed());

 * @since 10.0 (replacing {@code Futures.makeListenable}, which existed in 1.0)
 */
@J2ktIncompatible
@GwtIncompatible
public final class JdkFutureAdapters {
  /**
   * Assigns a thread to the given {@link Future} to provide {@link ListenableFuture} functionality.
   *
   * <p><b>Warning:</b> If the input future does not already implement {@code ListenableFuture}, the

        }
    }

    /**
     * Functional interface for building XContent with custom logic.
     * Allows clients to provide custom content building implementations.
     */
    public interface XContentBuilderCallback {
        /**
         * Applies custom logic to build XContent using the provided builder and parameters.
         *
         * @param builder the XContentBuilder to use for building content

package org.codelibs.fess.app.web.api.admin.dict.mapping;

import org.codelibs.fess.app.web.admin.dict.mapping.DownloadForm;

/**
 * Download body for mapping dictionary API operations.
 * This class extends the DownloadForm to provide request body handling
 * for downloading mapping dictionaries via REST API.
 *
 */
public class DownloadBody extends DownloadForm {

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

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletRequestWrapper;

/**
 * Wrapper for HTTP servlet requests in web API context.
 * This class extends HttpServletRequestWrapper to provide custom servlet path handling
 * for web API requests.
 */
public class WebApiRequest extends HttpServletRequestWrapper {
    /**
     * The custom servlet path for this web API request.
     */

import org.lastaflute.db.dbflute.exception.ProvidedClassificationNotFoundException;

/**
 * The provider of listed classification.
 *
 * @author jflute
 */
public class FessListedClassificationProvider implements ListedClassificationProvider {

    @Override
    public ClassificationMeta provide(final String classificationName) throws ProvidedClassificationNotFoundException {