RequestWithFileId readRequest = new Smb2ReadRequest(mockConfig, testFileId, testOutputBuffer, 0);
        RequestWithFileId writeRequest = new Smb2WriteRequest(mockConfig, testFileId);
        RequestWithFileId flushRequest = new Smb2FlushRequest(mockConfig, testFileId);
        RequestWithFileId ioctlRequest = new Smb2IoctlRequest(mockConfig, 0x00090000, testFileId);

  @Throws(IOException::class)
  fun writeRequestHeaders(request: Request)

  /** Flush the request to the underlying socket. */
  @Throws(IOException::class)
  fun flushRequest()

  /** Flush the request to the underlying socket and signal no more bytes will be transmitted. */
  @Throws(IOException::class)
  fun finishRequest()

  /**

    }
    stream!!.readTimeout().timeout(chain.readTimeoutMillis.toLong(), TimeUnit.MILLISECONDS)
    stream!!.writeTimeout().timeout(chain.writeTimeoutMillis.toLong(), TimeUnit.MILLISECONDS)
  }

  override fun flushRequest() {
    http2Connection.flush()
  }

  override fun finishRequest() {
    stream!!.sink.close()
  }

  override fun readResponseHeaders(expectContinue: Boolean): Response.Builder? {

    return RequestBodySink(
      delegate = rawRequestBody,
      contentLength = contentLength,
      isSocket = false,
    )
  }

  @Throws(IOException::class)
  fun flushRequest() {
    try {
      codec.flushRequest()
    } catch (e: IOException) {
      call.eventListener.requestFailed(call, e)
      trackFailure(e)
      throw e
    }
  }

  @Throws(IOException::class)
  fun finishRequest() {