}

      sleepNanos(response.headersDelayNanos)
      stream.writeHeaders(response.toHttp2Headers(), outFinished, flushHeaders)

      if (trailers.size > 0) {
        stream.enqueueTrailers(trailers)
      }
      pushPromises(stream, request, response.pushPromises)
      if (body != null) {
        sleepNanos(bodyDelayNanos)
        val responseBodySink =

    var trailers: Headers = mockResponse.trailers
    mockResponse = mockResponse.clearHeaders()
    mockResponse = mockResponse.addHeader("")
    mockResponse = mockResponse.addHeader("", "")
    mockResponse = mockResponse.addHeaderLenient("", Any())
    mockResponse = mockResponse.setHeader("", Any())
    mockResponse.headers = headersOf()
    mockResponse.trailers = headersOf()

    level = DeprecationLevel.ERROR,
  )
  fun headers(): Headers = headers

  /**
   * Returns the trailers after the HTTP response, which may be empty. It is an error to call this
   * before the entire HTTP response body has been consumed.
   */
  @Throws(IOException::class)
  fun trailers(): Headers = trailersFn()

  /**
   * Peeks up to [byteCount] bytes from the response body and returns them as a new response

  for (pushPromise in pushPromises) {
    result.addPush(pushPromise.wrap())
  }

  result.settings(settings)
  result.status = status
  result.headers(headers)
  result.trailers(trailers)
  result.socketPolicy =
    when (socketPolicy) {
      SocketPolicy.EXPECT_CONTINUE, SocketPolicy.CONTINUE_ALWAYS -> {
        result.add100Continue()
        KeepOpen
      }

  fun reportedContentLength(response: Response): Long

  @Throws(IOException::class)
  fun openResponseBodySource(response: Response): Source

  /** Returns the trailers after the HTTP response. May be empty. */
  @Throws(IOException::class)
  fun trailers(): Headers

  /**
   * Cancel this stream. Resources held by this stream will be cleaned up, though not synchronously.
   * That may happen later by the connection pool thread.

  /**
   * Process the response without even attempting to reading the request body. For HTTP/2 this will
   * send [http2ErrorCode] after the response body or trailers. For HTTP/1 this will close the
   * socket after the response body or trailers.
   */
  class DoNotReadRequestBody(
    val http2ErrorCode: Int = 0,
  ) : SocketPolicy

  /** Don't trust the client during the SSL handshake. */

        .sendResponse("ok")
        .exhaustResponse()
    server.enqueue(
      MockResponse.Builder()
        .clearHeaders()
        .addHeader("h1", "v1")
        .addHeader("h2", "v2")
        .trailers(headersOf("trailers", "boom"))
        .streamHandler(body)
        .build(),
    )
    val call =
      client.newCall(
        Request.Builder()
          .url(server.url("/"))
          .build(),
      )

    assertThat(stream.takeHeaders()).isEqualTo(headersOf("headers", "bam"))
    connection.writePingAndAwaitPong()
    assertThat(stream.trailers()).isEqualTo(headersOf("trailers", "boom"))
    assertThat(connection.openStreamCount()).isEqualTo(0)

    // Verify the peer received what was expected.
    val synStream = peer.takeFrame()
    assertThat(synStream.type).isEqualTo(Http2.TYPE_HEADERS)

    } catch (e: IOException) {
      eventListener.responseFailed(call, e)
      trackFailure(e)
      throw e
    }
  }

  @Throws(IOException::class)
  fun trailers(): Headers = codec.trailers()

  @Throws(SocketException::class)
  fun newWebSocketStreams(): RealWebSocket.Streams {
    call.timeoutEarlyExit()
    return (codec.carrier as RealConnection).newWebSocketStreams(this)
  }

  fun readLine(): String {
    val line = source.readUtf8LineStrict(headerLimit)
    headerLimit -= line.length.toLong()
    return line
  }

  /** Reads headers or trailers. */
  fun readHeaders(): Headers {
    val result = Headers.Builder()
    while (true) {
      val line = readLine()
      if (line.isEmpty()) break
      result.addLenient(line)
    }
    return result.build()