return null;
            }
            final Matcher matcher = Pattern.compile(pattern, Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE).matcher(value);
            final StringBuffer buf = new StringBuffer(value.length() + 100);
            while (matcher.find()) {
                matcher.appendReplacement(buf, Matcher.quoteReplacement(highlightTagPre + matcher.group(0) + highlightTagPost));
            }

    return new And(this, other);
  }

  /**
   * Returns a matcher that matches any character matched by either this matcher or {@code other}.
   */
  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

  }

  /**
   * An unmodifiable view of a set which may be backed by other sets; this view will change as the
   * backing sets do. Contains methods to copy the data into a new set which will then remain
   * stable. There is usually no reason to retain a reference of type {@code SetView}; typically,
   * you either use it as a plain {@link Set}, or immediately invoke {@link #immutableCopy} or

    some applications.
 *  New: Override `equals()` and `hashCode()` in our new cookie class. This
    class now defines equality by value rather than by reference.
 *  New: Handle 408 responses by retrying the request. This allows servers to
    direct clients to retry rather than failing permanently.
 *  New: Expose the framed protocol in `Connection`. Previously this would

   * predicate. The returned multimap is a live view of {@code unfiltered}; changes to one affect
   * the other.
   *
   * <p>The resulting multimap's views have iterators that don't support {@code remove()}, but all
   * other methods are supported by the multimap and its views. When adding a key that doesn't
   * satisfy the predicate, the multimap's {@code put()}, {@code putAll()}, and {@code

   * predicate. The returned multimap is a live view of {@code unfiltered}; changes to one affect
   * the other.
   *
   * <p>The resulting multimap's views have iterators that don't support {@code remove()}, but all
   * other methods are supported by the multimap and its views. When adding a key that doesn't
   * satisfy the predicate, the multimap's {@code put()}, {@code putAll()}, and {@code

  @SuppressWarnings("unchecked")
  static <T extends @Nullable Object> UnmodifiableListIterator<T> emptyListIterator() {
    return (UnmodifiableListIterator<T>) ArrayItr.EMPTY;
  }

  /**
   * This is an enum singleton rather than an anonymous class so ProGuard can figure out it's only
   * referenced by emptyModifiableIterator().
   */
  private enum EmptyModifiableIterator implements Iterator<Object> {
    INSTANCE;

    @Override

   */
  fun newBuilder(link: String): Builder? =
    try {
      Builder().parse(this, link)
    } catch (_: IllegalArgumentException) {
      null
    }

  override fun equals(other: Any?): Boolean = other is HttpUrl && other.url == url

  override fun hashCode(): Int = url.hashCode()

  override fun toString(): String = url

  /**

  - [Changelog since v1.3.9](#changelog-since-v139)
    - [Other notable changes](#other-notable-changes)
- [v1.3.9](#v139)
  - [Downloads](#downloads)
  - [Changelog since v1.3.8](#changelog-since-v138)
    - [Other notable changes](#other-notable-changes-1)
- [v1.3.8](#v138)
  - [Downloads](#downloads-1)
  - [Changelog since v1.3.7](#changelog-since-v137)
    - [Other notable changes](#other-notable-changes-2)
- [v1.3.7](#v137)

      "CallEnd",
    )
  }

  private fun assertBytesReadWritten(
    listener: RecordingEventListener,
    requestHeaderLength: Matcher<Long?>?,
    requestBodyBytes: Matcher<Long?>?,
    responseHeaderLength: Matcher<Long?>?,
    responseBodyBytes: Matcher<Long?>?,
  ) {
    if (requestHeaderLength != null) {
      val responseHeadersEnd = listener.removeUpToEvent<RequestHeadersEnd>()