((SortedSet<E>) unfiltered).subSet(fromElement, toElement), predicate);
    }

    @Override
    public SortedSet<E> headSet(@ParametricNullness E toElement) {
      return new FilteredSortedSet<>(((SortedSet<E>) unfiltered).headSet(toElement), predicate);
    }

    @Override
    public SortedSet<E> tailSet(@ParametricNullness E fromElement) {

    val expectedRequestHeaders =
      listOf(
        Header(Header.TARGET_METHOD, "GET"),
        Header(Header.TARGET_SCHEME, "https"),
        Header(Header.TARGET_AUTHORITY, "squareup.com"),
        Header(Header.TARGET_PATH, "/cached"),
      )
    peer.sendFrame().pushPromise(3, 2, expectedRequestHeaders)
    val expectedResponseHeaders =
      listOf(
        Header(Header.RESPONSE_STATUS, "200"),
      )

    from major web browsers.
 *  New: Honor the `Retry-After` response header. HTTP 503 (Unavailable)
    responses are retried automatically if this header is present and its delay
    is 0 seconds. HTTP 408 (Client Timeout) responses are retried automatically
    if the header is absent or its delay is 0 seconds.
 *  New: Allow request bodies for all HTTP methods except GET and HEAD.

    responseBodyBytes: Matcher<Long?>?,
  ) {
    if (requestHeaderLength != null) {
      val responseHeadersEnd = listener.removeUpToEvent<RequestHeadersEnd>()
      MatcherAssert.assertThat(
        "request header length",
        responseHeadersEnd.headerLength,
        requestHeaderLength,
      )
    } else {
      assertThat(listener.recordedEventTypes())
        .doesNotContain("RequestHeadersEnd")
    }

    // Body contains nothing.
    assertThat(response.body.bytes().size).isEqualTo(0)
    assertThat(response.body.contentLength()).isEqualTo(0)

    // Content-Length header doesn't exist in a 204 response.
    assertThat(response.header("content-length")).isNull()
    assertThat(response.code).isEqualTo(204)
    val request = server.takeRequest()
    assertThat(request.requestLine).isEqualTo("GET /foo HTTP/2")
  }

	public fun close ()V
	public final fun code ()I
	public final fun handshake ()Lokhttp3/Handshake;
	public final fun header (Ljava/lang/String;)Ljava/lang/String;
	public final fun header (Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
	public static synthetic fun header$default (Lokhttp3/Response;Ljava/lang/String;Ljava/lang/String;ILjava/lang/Object;)Ljava/lang/String;
	public final fun headers ()Lokhttp3/Headers;

    protected void writeNoCache(final StreamResponse response, final ResponseData responseData) {
        response.header("Pragma", "no-cache");
        response.header("Cache-Control", "no-cache");
        response.header("Expires", "Thu, 01 Dec 1994 16:00:00 GMT");
    }

    /**
     * Writes content disposition header with filename.
     *
     * @param response the stream response
     * @param responseData the response data

                    if (noindex && nofollow) {
                        logger.info("HEADER(robots=noindex,nofollow): {}", responseData.getUrl());
                        throw new ChildUrlsException(Collections.emptySet(), "#processXRobotsTag");
                    }
                    if (noindex) {
                        logger.info("HEADER(robots=noindex): {}", responseData.getUrl());

        } else {
            req.setMid(0);
            this.mid.set(1);
        }
        final int n = req.encode(this.sbuf, 4);
        Encdec.enc_uint32be(n & 0xFFFF, this.sbuf, 0); /* 4 byte ssn msg header */

        if (log.isTraceEnabled()) {
            log.trace(req.toString());
            log.trace(Hexdump.toHexString(this.sbuf, 4, n));
        }

        this.out.write(this.sbuf, 0, 4 + n);

	public fun close ()V
	public final fun code ()I
	public final fun handshake ()Lokhttp3/Handshake;
	public final fun header (Ljava/lang/String;)Ljava/lang/String;
	public final fun header (Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
	public static synthetic fun header$default (Lokhttp3/Response;Ljava/lang/String;Ljava/lang/String;ILjava/lang/Object;)Ljava/lang/String;
	public final fun headers ()Lokhttp3/Headers;