this.ack = ack
      this.payload1 = payload1
      this.payload2 = payload2
    }

    override fun goAway(
      lastGoodStreamId: Int,
      errorCode: ErrorCode,
      debugData: ByteString,
    ) {
      check(type == -1)
      this.type = Http2.TYPE_GOAWAY
      this.streamId = lastGoodStreamId
      this.errorCode = errorCode
      this.data = debugData.toByteArray()
    }

   */
  @Throws(IOException::class)
  fun goAway(
    lastGoodStreamId: Int,
    errorCode: ErrorCode,
    debugData: ByteArray,
  ) {
    this.withLock {
      if (closed) throw IOException("closed")
      require(errorCode.httpCode != -1) { "errorCode.httpCode == -1" }
      frameHeader(
        streamId = 0,
        length = 8 + debugData.size,
        type = TYPE_GOAWAY,
        flags = FLAG_NONE,
      )

    }
  }

  /**
   * This simulates a race condition where we receive a healthy HTTP/2 connection and just prior to
   * writing our request, we get a GOAWAY frame from the server.
   */
  @ParameterizedTest
  @ArgumentsSource(ProtocolParamProvider::class)
  fun connectionShutdownAfterHealthCheck(
    protocol: Protocol,
    mockWebServer: MockWebServer,

        lastGoodStreamId = this.lastGoodStreamId
      }
      // TODO: propagate exception message into debugData.
      // TODO: configure a timeout on the reader so that it doesn’t block forever.
      writer.goAway(lastGoodStreamId, statusCode, EMPTY_BYTE_ARRAY)
    }
  }

  /**
   * Closes this connection. This cancels all open streams and unanswered pings. It closes the

    val pingFrame = peer.takeFrame()
    assertThat(pingFrame.type).isEqualTo(Http2.TYPE_PING)
    val goaway = peer.takeFrame()
    assertThat(goaway.type).isEqualTo(Http2.TYPE_GOAWAY)
    assertThat(goaway.streamId).isEqualTo(0)
    assertThat(goaway.errorCode).isEqualTo(ErrorCode.PROTOCOL_ERROR)
  }

  @Test fun close() {
    // Write the mocking script.