request: Request,
    duplex: Boolean,
  ): Sink {
    this.isDuplex = duplex
    val contentLength = request.body!!.contentLength()
    call.eventListener.requestBodyStart(call)
    val rawRequestBody = codec.createRequestBody(request, contentLength)
    return RequestBodySink(
      delegate = rawRequestBody,
      contentLength = contentLength,
      isSocket = false,
    )
  }

  @Throws(IOException::class)

        if (done) {
          System.out.println("completed");
        } else {
          if (firstUpdate) {
            firstUpdate = false;
            if (contentLength == -1) {
              System.out.println("content-length: unknown");
            } else {
              System.out.format("content-length: %d\n", contentLength);
            }
          }

              }
            }
            println(bytesWritten)
            if (contentLength != -1L) {
              println("${100 * bytesWritten / contentLength}% done")
            }
          }
        }
      }

    val file = File("docs/images/logo-square.png")
    val requestBody: RequestBody = file.asRequestBody(MEDIA_TYPE_PNG)

    val request =
      Request
        .Builder()

            if (!doc.containsKey(indexFieldContentLength)) {
                long contentLength = 0;
                if (doc.get(indexFieldTitle) instanceof final String title) {
                    contentLength += title.length();
                }
                if (doc.get(indexFieldContent) instanceof final String content) {
                    contentLength += content.length();
                }

      }

      response.isChunked -> {
        newChunkedSource(response.request.url)
      }

      else -> {
        val contentLength = response.headersContentLength()
        if (contentLength != -1L) {
          newFixedLengthSource(response.request.url, contentLength)
        } else {
          newUnknownLengthSource(response.request.url)
        }
      }
    }

                  }
                }
                println(bytesWritten)
                if (contentLength != -1L) {
                  println("${100 * bytesWritten / contentLength}% done")
                }
              }
            }
          }

          val file = File("docs/images/logo-square.png")
          val requestBody: RequestBody = file.asRequestBody(MEDIA_TYPE_PNG)

  /**
   * Returns the number of bytes that will be written to sink in a call to [writeTo],
   * or -1 if that count is unknown.
   */
  @Throws(IOException::class)
  open fun contentLength(): Long = -1L

  /** Writes the content of this request to [sink]. */
  @Throws(IOException::class)
  abstract fun writeTo(sink: BufferedSink)

  /**

        throw e
      }

      val tookMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNs)

      val responseBody = response.body!!
      val contentLength = responseBody.contentLength()
      val bodySize = if (contentLength != -1L) "$contentLength-byte" else "unknown-length"
      logger.log(
        buildString {
          append("<-- ${response.code}")

                    final long contentLength = Long.parseLong(value);
                    if (contentLengthHelper != null) {
                        final long maxLength = contentLengthHelper.getMaxLength("text/plain");
                        if (contentLength > maxLength) {
                            throw new MaxLengthExceededException("The content length (" + contentLength + " byte) is over " + maxLength

      if (contentType != null) {
        requestBuilder.header("Content-Type", contentType.toString())
      }

      val contentLength = body.contentLength()
      if (contentLength != -1L) {
        requestBuilder.header("Content-Length", contentLength.toString())
        requestBuilder.removeHeader("Transfer-Encoding")
      } else {
        requestBuilder.header("Transfer-Encoding", "chunked")