/**
     * Returns a freshly created entry, typed at the {@code E} type, for the given {@code segment}.
     */
    E newEntry(S segment, K key, int hash, @Nullable E next);

    /**
     * Returns a freshly created entry, typed at the {@code E} type, for the given {@code segment},
     * that is a copy of the given {@code entry}.
     */
    E copy(S segment, E entry, @Nullable E newNext);

    /**

  }

  /**
   * Returns an immutable set instance containing the given enum elements. Internally, the returned
   * set will be backed by an {@link EnumSet}.
   *
   * <p>The iteration order of the returned set follows the enum's iteration order, not the order in
   * which the elements appear in the given collection.
   *

   * given {@code Future}. If the given {@code Future} fails, the returned {@code Future} fails with
   * the same exception (and the function is not invoked).
   *
   * <p>More precisely, the returned {@code Future} takes its result from a {@code Future} produced
   * by applying the given {@code AsyncFunction} to the result of the original {@code Future}.
   * Example usage:

   * predicate.
   */
  public static <T extends @Nullable Object> boolean any(
      Iterator<T> iterator, Predicate<? super T> predicate) {
    return indexOf(iterator, predicate) != -1;
  }

  /**
   * Returns {@code true} if every element returned by {@code iterator} satisfies the given
   * predicate. If {@code iterator} is empty, {@code true} is returned.

   * character sequence. Returns a bogus matcher if the sequence contains supplementary characters.
   */
  public static CharMatcher noneOf(CharSequence sequence) {
    return anyOf(sequence).negate();
  }

  /**
   * Returns a {@code char} matcher that matches any character in a given BMP range (both endpoints

  }

  /**
   * Marks the given step final, waits for it to be finished, and returns the value.
   *
   * @throws ExecutionException if the step failed
   * @throws CancellationException if the step was cancelled
   */
  abstract <T> T getFinalValue(ClosingFuture<T> closingFuture) throws ExecutionException;

  /** Marks the given step final, cancels it, and waits for the cancellation to happen. */

                logger.warn("Unsupported encoding.", e);
            }
            return null;
        }).filter(StringUtil::isNotBlank).orElse(url);
    }

    /**
     * Gets the localized page path for a given page name.
     * Checks for locale-specific versions before falling back to default.
     *
     * @param page the page name
     * @return the localized page path
     */

    /**
     * Returns {@literal true} if the given {@link Map} is {@literal null} or empty.
     *
     * @param map the map
     * @return {@literal true} if the map is {@literal null} or empty
     */
    public static boolean isEmpty(final Map<?, ?> map) {
        return map == null || map.isEmpty();
    }

    /**
     * Returns {@literal true} if the given {@link Map} is not {@literal null} and not empty.

                        responseData.setNoFollow(true);
                    }
                });
    }

    /**
     * Retrieves configuration parameter map for the given configuration name.
     *
     * @param responseData the response data from crawling
     * @param config the configuration name to retrieve
     * @return map of configuration parameters
     */

  }

  Supplier<? extends StatsCounter> getStatsCounterSupplier() {
    return statsCounterSupplier;
  }

  /**
   * Builds a cache, which either returns an already-loaded value for a given key or atomically
   * computes or retrieves it using the supplied {@code CacheLoader}. If another thread is currently
   * loading the value for this key, simply waits for that thread to finish and returns its loaded