/**
   * Returns the empty iterator.
   *
   * <p>The {@link Iterable} equivalent of this method is {@link ImmutableSet#of()}.
   */
  static <T extends @Nullable Object> UnmodifiableIterator<T> emptyIterator() {
    return emptyListIterator();
  }

  /**
   * Returns the empty iterator.
   *
   * <p>The {@link Iterable} equivalent of this method is {@link ImmutableSet#of()}.
   */

          if (e.getHash() == hash
              && entryKey != null
              && map.keyEquivalence.equivalent(key, entryKey)) {
            V entryValue = e.getValue();

            boolean explicitRemoval = false;
            if (map.valueEquivalence().equivalent(value, entryValue)) {
              explicitRemoval = true;
            } else if (isCollected(e)) {

 *         new CacheLoader<Key, Graph>() {
 *           public Graph load(Key key) throws AnyException {
 *             return createExpensiveGraph(key);
 *           }
 *         });
 * }
 *
 * <p>Or equivalently,
 *
 * {@snippet :
 * // In real life this would come from a command-line flag or config file
 * String spec = "maximumSize=10000,expireAfterWrite=10m";
 *

   */
  public CharMatcher or(CharMatcher other) {
    return new Or(this, other);
  }

  /**
   * Returns a {@code char} matcher functionally equivalent to this one, but which may be faster to
   * query than the original; your mileage may vary. Precomputation takes time and requires more

    return makeComplementByHand(collection, type);
  }

  /**
   * Creates an {@code EnumSet} consisting of all enum values that are not in the specified
   * collection. This is equivalent to {@link EnumSet#complementOf}, but can act on any input
   * collection, as long as the elements are of enum type.
   *
   * @param collection the collection whose complement should be stored in the {@code EnumSet}

   *             toMultimap(
   *                  str -> str.charAt(0),
   *                  str -> str.substring(1),
   *                  MultimapBuilder.treeKeys().arrayListValues()::build));
   *
   * // is equivalent to
   *
   * static final ListMultimap<Character, String> FIRST_LETTER_MULTIMAP;
   *
   * static {
   *     FIRST_LETTER_MULTIMAP = MultimapBuilder.treeKeys().arrayListValues().build();

   *             toMultimap(
   *                  str -> str.charAt(0),
   *                  str -> str.substring(1),
   *                  MultimapBuilder.treeKeys().arrayListValues()::build));
   *
   * // is equivalent to
   *
   * static final ListMultimap<Character, String> FIRST_LETTER_MULTIMAP;
   *
   * static {
   *     FIRST_LETTER_MULTIMAP = MultimapBuilder.treeKeys().arrayListValues().build();

      return typedNull;
    }
    return new ImmediateFuture<>(value);
  }

  /**
   * Returns a successful {@code ListenableFuture<Void>}. This method is equivalent to {@code
   * immediateFuture(null)} except that it is restricted to produce futures of type {@code Void}.
   *
   * @since 29.0
   */
  @SuppressWarnings("unchecked")

        i = pathSegmentDelimiterOffset
        if (segmentHasTrailingSlash) i++
      }
    }

    /** Adds a path segment. If the input is ".." or equivalent, this pops a path segment. */
    private fun push(
      input: String,
      pos: Int,
      limit: Int,
      addTrailingSlash: Boolean,
      alreadyEncoded: Boolean,
    ) {

    you need to customize proxy fallback behavior, implement your own `java.net.ProxySelector`.

 *  Fix: Support TLSv1.3 on devices that support it.

 *  Fix: Share pooled connections across equivalent `OkHttpClient` instances. Previous releases had
    a bug where a shared connection pool did not guarantee shared connections in some cases.