.map(s -> clientFactory.getClient(s + ":" + url))//
                .orElseGet(() -> clientFactory.getClient(url));
        if (logger.isDebugEnabled()) {
            logger.debug("CrawlerClient: class={}", client.getClass().getCanonicalName());
        }
        return client;
    }

    /**
     * Parses client rule configuration string into a list of client name and pattern pairs.

// Java 21 Sequenced Collections support
SequencedCollection<String> sequenced = CollectionsUtil.newLinkedHashSet();
String first = CollectionsUtil.getFirst(sequenced);
String last = CollectionsUtil.getLast(sequenced);
SequencedCollection<String> reversed = CollectionsUtil.reversed(sequenced);

// Specialized collections
LruHashMap<String, Object> lruCache = new LruHashMap<>(100); // LRU cache with max 100 entries

    URL getBaseUrl() throws IOException {
      // Find URL pointing to Finalizer.class file.
      String finalizerPath = FINALIZER_CLASS_NAME.replace('.', '/') + ".class";
      URL finalizerUrl = getClass().getClassLoader().getResource(finalizerPath);
      if (finalizerUrl == null) {
        throw new FileNotFoundException(finalizerPath);
      }

      // Find URL pointing to base of class path.

     * {@inheritDoc}
     *
     * @see jcifs.SID#unwrap(java.lang.Class)
     */
    @SuppressWarnings("unchecked")
    @Override
    public <T> T unwrap(final Class<T> t) {
        if (t.isAssignableFrom(this.getClass())) {
            return (T) this;
        }
        throw new ClassCastException();
    }

    /**
     * Gets the byte array representation of this SID.
     *
     * @return encoded SID

   * @return the last element of {@code iterator}
   * @since 3.0
   */
  @ParametricNullness
  public static <T extends @Nullable Object> T getLast(
      Iterator<? extends T> iterator, @ParametricNullness T defaultValue) {
    return iterator.hasNext() ? getLast(iterator) : defaultValue;
  }

  /**
   * Calls {@code next()} on {@code iterator}, either {@code numberToAdvance} times or until {@code

     * @return the last element, or null if the collection is empty
     * @since Java 21
     */
    public static <E> E getLast(final SequencedCollection<E> collection) {
        return collection.isEmpty() ? null : collection.getLast();
    }

    /**
     * Adds an element to the beginning of a sequenced collection.
     *
     * @param <E> the element type

        }
        if (value instanceof List<?> listValue) {
            return (List<String>) listValue;
        }
        throw new IllegalArgumentException("The value should be String or List, but " + value.getClass());
    }

    /**
     * Deletes documents from the specified index based on the given query.
     *
     * @param client the OpenSearch client to use for executing the query and delete operations

    /**
     * Initializes the SamlAuthenticator.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }
        ComponentUtil.getSsoManager().register(this);

        // Default SAML settings
        // NOTE: Many security settings are set to false by default for compatibility.

        }
        return t;
    }

    @SuppressWarnings("unchecked")
    @Override
    public <T extends Credentials> T unwrap(Class<T> t) {
        if (t.isAssignableFrom(this.getClass())) {
            return (T) this;
        }
        return null;
    }

    @Override
    public Subject getSubject() {
        return null;
    }

    @Override

                    requestDataSet.add(RequestDataBuilder.newRequestData().get().url("s3://" + bucketName + "/" + prefix.prefix()).build());
                }

                throw new ChildUrlsException(requestDataSet, this.getClass().getName() + "#getResponseData");
            }
            // check file size
            responseData.setContentLength(headObject.contentLength());
            checkMaxContentLength(responseData);