public static UnsignedLong valueOf(String string) {
    return valueOf(string, 10);
  }

  /**
   * Returns an {@code UnsignedLong} holding the value of the specified {@code String}, parsed as an
   * unsigned {@code long} value in the specified radix.
   *
   * @throws NumberFormatException if the string does not contain a parsable unsigned {@code long}
   *     value, or {@code radix} is not between {@link Character#MIN_RADIX} and {@link

   * {@link Set}, instead of the {@link java.util.Collection} specified in the {@link Multimap}
   * interface.
   */
  @Override
  Set<V> get(@ParametricNullness K key);

  /**
   * {@inheritDoc}
   *
   * <p>Because a {@code SetMultimap} has unique values for a given key, this method returns a
   * {@link Set}, instead of the {@link java.util.Collection} specified in the {@link Multimap}
   * interface.
   */

   * {@link Set}, instead of the {@link java.util.Collection} specified in the {@link Multimap}
   * interface.
   */
  @Override
  Set<V> get(@ParametricNullness K key);

  /**
   * {@inheritDoc}
   *
   * <p>Because a {@code SetMultimap} has unique values for a given key, this method returns a
   * {@link Set}, instead of the {@link java.util.Collection} specified in the {@link Multimap}
   * interface.
   */

   * @return an unmodifiable list containing the specified elements
   */
  public static <E extends @Nullable Object> List<E> asList(@ParametricNullness E first, E[] rest) {
    return new OnePlusArrayList<>(first, rest);
  }

  /**
   * Returns an unmodifiable list containing the specified first and second element, and backed by

      }
    }
  }

  /**
   * Copies all of the mappings from the specified map to this map. The effect of this call is
   * equivalent to that of calling {@code put(k, v)} on this map once for each mapping from key
   * {@code k} to value {@code v} in the specified map. The behavior of this operation is undefined
   * if the specified map is modified while the operation is in progress.
   */

 */
public class SearchEngineClientException extends FessSystemException {

    private static final long serialVersionUID = 1L;

    /**
     * Constructs a new SearchEngineClientException with the specified message and cause.
     *
     * @param message the detail message explaining the exception
     * @param cause   the underlying cause of the exception
     */

        return deleteDocumentByQuery(searchEngineClient, fessConfig.getIndexDocumentUpdateIndex(), queryBuilder);
    }

    /**
     * Deletes all documents that match the specified query from the specified index.
     *
     * @param searchEngineClient the search engine client to use for deletion
     * @param index the index name to delete documents from

  /**
   * Serializes and deserializes the specified object.
   *
   * <p><b>GWT warning:</b> Under GWT, this method simply returns its input, as proper GWT
   * serialization tests require more setup. This no-op behavior allows test authors to intersperse
   * {@code SerializableTester} calls with other, GWT-compatible tests.
   *
   * <p>Note that the specified object may not be known by the compiler to be a {@link

            if (begin != null) {
                printStats(e.getKey(), data, begin, false);
            }
        });

    }

    /**
     * Begins statistics tracking for the specified crawler object.
     * Creates a new statistics object in the cache and starts timing.
     *
     * @param keyObj the crawler object to track (UrlQueue, StatsKeyObject, String, or Number)
     */

        try {
            props.load(reader);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Loads the specified file into the {@link Properties} using the given encoding (wraps exception handling).
     *
     * @param props
     *            Property set. Must not be {@literal null}.
     * @param file