// Assert
        assertNotSame(original, copy, "clone should return a different instance");
        assertTrue(original.equals(copy), "Cloned instance should be equal by content");

        // Mutate original backing array; clone should remain based on previous snapshot
        data[0] = 99;

        return Modifier.isTransient(modifier);
    }

    /**
     * Checks if the specified field is an instance field.
     *
     * @param field
     *            the field to check. Must not be null.
     * @return true if instance field, false otherwise
     */
    public static boolean isInstanceField(final Field field) {
        assertArgumentNotNull("field", field);

        try {
            // Change default time zone temporarily
            TimeZone newTimeZone = TimeZone.getTimeZone("America/New_York");
            TimeZone.setDefault(newTimeZone);

            // Create new provider instance to pick up the new default
            FessUserTimeZoneProcessProvider newProvider = new FessUserTimeZoneProcessProvider();

            // Execute
            TimeZone result = newProvider.getRequestedTimeZone(requestManager);

 * The extractor first tries to match against the URL, then falls back to the resource name if available.
 *
 * @author shinsuke
 */
public abstract class PasswordBasedExtractor extends AbstractExtractor {

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

    /** Map of regex patterns to passwords for static password configuration. */

    private MonotonicClock() {
        this.startNanos = System.nanoTime();
        this.startInstant = Clock.systemUTC().instant();
    }

    /**
     * Returns the singleton instance of MonotonicClock.
     *
     * @return the monotonic clock instance
     */
    public static MonotonicClock get() {
        return CLOCK;
    }

    /**
     * Returns the current instant from the monotonic clock.

    protected boolean useFilenameOnOctetStream = true;

    /**
     * Creates a new MimeTypeHelperImpl instance.
     * Initializes the MimeTypes instance using the default configuration.
     * @throws CrawlerSystemException if the MIME types configuration cannot be loaded
     */
    public MimeTypeHelperImpl() {
        try {

@Experimental
public final class Sources {

    private Sources() {}

    /**
     * Creates a new source for the specified path.
     *
     * @param path the path to the file
     * @return a new Source instance
     * @throws NullPointerException if path is null
     */
    @Nonnull
    public static Source fromPath(@Nonnull Path path) {
        return new PathSource(requireNonNull(path, "path"));
    }

    /**

   * way {@code IdentityHashMap} handles key lookups.
   *
   * @since 8.0
   */
  public static <E extends @Nullable Object> Set<E> newIdentityHashSet() {
    return Collections.newSetFromMap(Maps.<E, Boolean>newIdentityHashMap());
  }

  /**
   * Creates an empty {@code CopyOnWriteArraySet} instance.
   *

    /** System property key for Tomcat configuration path */
    private static final String TOMCAT_CONFIG_PATH = "tomcat.config.path";

    /**
     * Constructs a new FessBoot instance with the specified port and context path.
     *
     * @param port the port number for the Tomcat server
     * @param contextPath the context path for the web application
     */

      field.setAccessible(true);
    }

    void set(T instance, Object value) {
      try {
        field.set(instance, value);
      } catch (IllegalAccessException impossible) {
        throw new AssertionError(impossible);
      }
    }

    void set(T instance, int value) {
      try {
        field.set(instance, value);
      } catch (IllegalAccessException impossible) {