@Override
    public @Nullable E floor(@ParametricNullness E e) {
      return Iterators.find(unfiltered().headSet(e, true).descendingIterator(), predicate, null);
    }

    @Override
    public @Nullable E ceiling(@ParametricNullness E e) {
      return Iterables.find(unfiltered().tailSet(e, true), predicate, null);
    }

    @Override
    public @Nullable E higher(@ParametricNullness E e) {

      for (ValueEntry<K, V> entry = hashTable[smearedHash & mask()];
          entry != null;
          entry = entry.nextInValueBucket) {
        if (entry.matchesValue(o, smearedHash)) {
          return true;
        }
      }
      return false;
    }

    @Override
    public boolean add(@ParametricNullness V value) {
      int smearedHash = smearedHash(value);
      int bucket = smearedHash & mask();

  private static final class StateSnapshot {
    /**
     * The internal state, which equals external state unless shutdownWhenStartupFinishes is true.
     */
    final State state;

    /** If true, the user requested a shutdown while the service was still starting up. */
    final boolean shutdownWhenStartupFinishes;

    /**

      for (ValueEntry<K, V> entry = hashTable[smearedHash & mask()];
          entry != null;
          entry = entry.nextInValueBucket) {
        if (entry.matchesValue(o, smearedHash)) {
          return true;
        }
      }
      return false;
    }

    @Override
    public boolean add(@ParametricNullness V value) {
      int smearedHash = smearedHash(value);
      int bucket = smearedHash & mask();

     */
    protected boolean encryptedParameterValue = true;

    /**
     * The key for the request header that contains role information.
     */
    protected String headerKey;

    /**
     * Whether the header value is encrypted.
     */
    protected boolean encryptedHeaderValue = true;

    /**
     * The key for the cookie that stores role information.
     */

     */
    public void setField(final Field field) {
        this.field = field;
        if (field != null && ModifierUtil.isPublic(field)) {
            readable = true;
            writable = true;
        }
    }

    @Override
    public boolean isReadable() {
        return readable;
    }

    @Override
    public boolean isWritable() {
        return writable;

                || "fess-crawler-webdriver".equals(name)) {
            return true;
        }

        return false;
    }

    /**
     * Checks if a plugin version is a target version for the current Fess installation.
     *
     * @param version the version to check
     * @return true if the version is a target version, false otherwise
     */

            logger.debug("Thumbnail Directory: {}", baseDir.getAbsolutePath());
        }

        thumbnailTaskQueue = new LinkedBlockingQueue<>(thumbnailTaskQueueSize);
        generating = !Constants.TRUE.equalsIgnoreCase(System.getProperty("fess.thumbnail.process"));
        thumbnailQueueThread = new Thread((Runnable) () -> {
            final List<Tuple3<String, String, String>> taskList = new ArrayList<>();

     * This method validates the access token and checks if the associated permissions
     * allow admin access according to the Fess configuration.
     *
     * @return true if admin access is allowed, false otherwise
     */
    @Override
    protected boolean isAccessAllowed() {
        try {
            return accessTokenService.getPermissions(request)

        requestBody.put("paths", paths);
        requestBody.put("num_of_thread", 5);
        requestBody.put("interval_time", 1000);
        requestBody.put("boost", id);
        requestBody.put("available", true);
        requestBody.put("sort_order", id);
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {
        final Map<String, Object> updateMap = new HashMap<>();