peer.acceptFrame() // HEADERS
    peer.play()
    val connection = connect(peer)

    // Verify the peer received the second ACK.
    val ackFrame = peer.takeFrame()
    assertThat(ackFrame.type).isEqualTo(Http2.TYPE_SETTINGS)
    assertThat(ackFrame.streamId).isEqualTo(0)
    assertThat(ackFrame.ack).isTrue()

    // This stream was created *after* the connection settings were adjusted.

      this.streamId = streamId
      this.errorCode = errorCode
    }

    override fun ping(
      ack: Boolean,
      payload1: Int,
      payload2: Int,
    ) {
      check(type == -1)
      type = Http2.TYPE_PING
      this.ack = ack
      this.payload1 = payload1
      this.payload2 = payload2
    }

    override fun goAway(
      lastGoodStreamId: Int,

      }
      sink.flush()
    }
  }

  /**
   * Send a connection-level ping to the peer. `ack` indicates this is a reply. The data in
   * `payload1` and `payload2` opaque binary, and there are no rules on the content.
   */
  @Throws(IOException::class)
  fun ping(
    ack: Boolean,
    payload1: Int,
    payload2: Int,
  ) {
    withLock {
      if (closed) throw IOException("closed")

     *
     * We need to apply the settings and ack them atomically. This is because some HTTP/2
     * implementations (nghttp2) forbid peers from taking advantage of settings before they have
     * acknowledged! In particular, we shouldn't send frames that assume a new `initialWindowSize`
     * until we send the frame that acknowledges this new size.
     *

        .build()
    connection.start(sendConnectionPreface = false)

    // verify the peer received the ACK
    val ackFrame = peer.takeFrame()
    assertThat(ackFrame.type).isEqualTo(Http2.TYPE_SETTINGS)
    assertThat(ackFrame.streamId).isEqualTo(0)
    assertThat(ackFrame.ack).isTrue()

    taskFaker.runTasks()

    return connection
  }

  private fun updateMaxConcurrentStreams(

    type: Int,
    flags: Int,
  ): String {
    if (flags == 0) return ""
    when (type) {
      // Special case types that have 0 or 1 flag.
      TYPE_SETTINGS, TYPE_PING -> return if (flags == FLAG_ACK) "ACK" else BINARY[flags]
      TYPE_PRIORITY, TYPE_RST_STREAM, TYPE_GOAWAY, TYPE_WINDOW_UPDATE -> return BINARY[flags]
    }
    val result = if (flags < FLAGS.size) FLAGS[flags]!! else BINARY[flags]

    reader.nextFrame(
      requireSettings = false,
      object : BaseTestHandler() {
        override fun ping(
          ack: Boolean,
          payload1: Int,
          payload2: Int,
        ) {
          assertThat(ack).isTrue()
          assertThat(payload1).isEqualTo(expectedPayload1)
          assertThat(payload2).isEqualTo(expectedPayload2)
        }
      },
    )
  }

  /**
   * Acknowledge: A communication control character transmitted by a receiver as an affirmative
   * response to a sender.
   *
   * @since 8.0
   */
  public static final byte ACK = 6;

  /**
   * Bell ('\a'): A character for use when there is a need to call for human attention. It may
   * control alarm or attention devices.
   *
   * @since 8.0
   */

    assertThat(countFrames(logs, "FINE: << 0x00000000     8 PING          "))
      .isEqualTo(1)
    assertThat(countFrames(logs, "FINE: >> 0x00000000     8 PING          ACK"))
      .isEqualTo(1)
    assertThat(countFrames(logs, "FINE: << 0x00000000     8 PING          ACK"))
      .isEqualTo(1)
  }

  @Flaky @ParameterizedTest
  @ArgumentsSource(ProtocolParamProvider::class)