}

  public static class NoOpRunnable implements Runnable {
    @Override
    public void run() {}
  }

  public static class NoOpCallable implements Callable<Object> {
    @Override
    public Object call() {
      return Boolean.TRUE;
    }
  }

  public static final String TEST_STRING = "a test string";

  public static class StringTask implements Callable<String> {
    @Override

import org.opensearch.action.delete.DeleteRequestBuilder;
import org.opensearch.action.index.IndexRequestBuilder;

/**
 * @author ESFlute (using FreeGen)
 */
public abstract class EsAbstractEntity implements Entity, Serializable, Cloneable {

    // ===================================================================================
    //                                                                          Definition

import org.lastaflute.web.servlet.request.UserLocaleProcessProvider;

/**
 * The provider of user locale process.
 *
 * @author jflute
 */
public class FessUserLocaleProcessProvider implements UserLocaleProcessProvider {
    private static final Logger logger = LogManager.getLogger(FessUserLocaleProcessProvider.class);

    @Override
    public boolean isAcceptCookieLocale() {
        return false;
    }

import org.lastaflute.job.LaJobScheduler;

import jakarta.annotation.Resource;

/**
 * Job scheduler for managing all scheduled jobs in Fess.
 * Implements LaJobScheduler to handle job scheduling and execution.
 */
public class AllJobScheduler implements LaJobScheduler {

    private static final Logger logger = LogManager.getLogger(AllJobScheduler.class);

    /** Application type identifier for job context */

/**
 * Microsoft Entra ID credential implementation for Fess authentication.
 * Provides login credential functionality using Entra ID authentication results.
 */
public class EntraIdCredential implements LoginCredential, FessCredential {

    private static final Logger logger = LogManager.getLogger(EntraIdCredential.class);

    private final IAuthenticationResult authResult;

    /**

    // See https://github.com/google/guava/issues/1505
    assertThat(Finalizer.class.getDeclaredClasses()).isEmpty();
  }

  static class MyServerExampleWithFrq implements Closeable {
    private static final FinalizableReferenceQueue frq = new FinalizableReferenceQueue();

    private static final Set<Reference<?>> references = Sets.newConcurrentHashSet();

 * writeObject} methods.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
abstract class AbstractMapBasedMultiset<E extends @Nullable Object> extends AbstractMultiset<E>
    implements Serializable {

  transient ObjectCountHashMap<E> backingMap;
  transient long size;

  AbstractMapBasedMultiset(int distinctElements) {
    backingMap = newBackingMap(distinctElements);
  }

import jakarta.servlet.http.HttpServletResponse;

/**
 * Filter for handling Cross-Origin Resource Sharing (CORS) requests.
 * Processes CORS headers and handles preflight OPTIONS requests.
 */
public class CorsFilter implements Filter {

    /**
     * Creates a new instance of CorsFilter.
     */
    public CorsFilter() {
        // Default constructor
    }

 *
 * The authenticator supports various configuration options including delegation,
 * basic authentication fallback, and localhost authentication bypass.
 */
public class SpnegoAuthenticator implements SsoAuthenticator {

    /** Logger for this class. */
    private static final Logger logger = LogManager.getLogger(SpnegoAuthenticator.class);

    /** Configuration key for SPNEGO initialization status. */

  }

  private static final class ContainsMultiset implements Serializable {
    private final ConcurrentHashMultiset<?> multiset;

    ContainsMultiset(ConcurrentHashMultiset<?> multiset) {
      this.multiset = multiset;
    }
  }

  private static final class ContainsBothWithMultisetFirst implements Serializable {
    private final ConcurrentHashMultiset<?> a;