assertEquals(new TreeSet<E>(), empty);
  }

  /*
   * TODO(cpovirk): more testing of subSet/headSet/tailSet/descendingSet? and/or generate derived
   * suites?
   */

  /**
   * Returns the {@link Method} instances for the test methods in this class that create a set with
   * a "hole" in it so that set tests of {@code ContiguousSet} can suppress them with {@code
   * FeatureSpecificTestSuiteBuilder.suppressing()}.
   */

import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Test for {@link WrappingExecutorService}
 *
 * @author Chris Nokleberg
 */
@NullUnmarked
public class WrappingExecutorServiceTest extends TestCase {
  private static final String RESULT_VALUE = "ran";

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * Tests {@link LegacyRepositorySystem}.
 *
 */
@PlexusTest
@Deprecated
class LegacyRepositorySystemTest {
    @Inject
    private LegacyRepositorySystem repositorySystem;

    @Inject

import org.codelibs.core.collection.LruHashSet;
import org.codelibs.fess.crawler.filter.UrlFilter;
import org.codelibs.fess.crawler.interval.IntervalController;
import org.codelibs.fess.crawler.rule.RuleManager;

/**
 * The {@link CrawlerContext} class holds the context information for a crawler execution.
 * It contains various attributes related to the crawler's state, configuration, and runtime data.

    return isWellFormed(bytes, 0, bytes.length);
  }

  /**
   * Returns whether the given byte array slice is a well-formed UTF-8 byte sequence, as defined by
   * {@link #isWellFormed(byte[])}. Note that this can be false even when {@code
   * isWellFormed(bytes)} is true.
   *
   * @param bytes the input buffer
   * @param off the offset in the buffer of the first byte to read

import java.io.InvalidObjectException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.util.Collection;
import org.jspecify.annotations.Nullable;

/**
 * An implementation of {@link ContiguousSet} that contains one or more elements.
 *
 * @author Gregory Kick
 */
@GwtCompatible
@SuppressWarnings("rawtypes") // https://github.com/google/guava/issues/989

import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;

import jakarta.annotation.PostConstruct;

/**
 * OpenSearchUrlFilterService is an implementation of {@link UrlFilterService} for OpenSearch.
 */
public class OpenSearchUrlFilterService extends AbstractCrawlerService implements UrlFilterService {

    /**
     * Field name for filter type.
     */

 */
package org.codelibs.fess.crawler.entity;

import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.fess.crawler.Constants;

/**
 * Implementation of the {@link AccessResult} interface.
 *
 * @param <IDTYPE> the type of the identifier for the access result
 */
public class AccessResultImpl<IDTYPE> implements AccessResult<IDTYPE> {

    /**

    }

    /* DFS */

    /* Split DFS path like \fs1.example.com\root5\link2\foo\bar.txt into at
     * most 3 components (not including the first index which is always empty):
     * result[0] = ""
     * result[1] = "fs1.example.com"
     * result[2] = "root5"
     * result[3] = "link2\foo\bar.txt"
     */
    void dfsPathSplit(final String path, final String[] result) {
        int ri = 0;

import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

/**
 * A ScheduledExecutorService that executes all scheduled actions immediately in the calling thread.
 *
 * <p>See {@link TestingExecutors#sameThreadScheduledExecutor()} for a full list of constraints.
 *
 * @author John Sirois
 * @author Zach van Schouwen
 */
@GwtIncompatible