override fun contentType(): MediaType? = null

    override fun writeTo(sink: BufferedSink) {
      for (i in 0 until 50) {
        sink.writeUtf8("abc")
        sink.flush()
        Thread.sleep(100)
      }
      fail("")
    }
  }

      requestBody.flush()
      val responseBody = response.body.source()
      assertThat(responseBody.readUtf8Line())
        .isEqualTo("response B")
      requestBody.writeUtf8("request C\n")
      requestBody.flush()
      assertThat(responseBody.readUtf8Line())
        .isEqualTo("response D")
      requestBody.writeUtf8("request E\n")
      requestBody.flush()

    testFlushAfterStreamTransmitted(TransferKind.END_OF_STREAM)
  }

  /**
   * We explicitly permit apps to close the upload stream even after it has been transmitted.  We
   * also permit flush so that buffered streams can do a no-op flush when they are closed.
   * http://b/3038470
   */
  private fun testFlushAfterStreamTransmitted(transferKind: TransferKind) {
    server.enqueue(
      MockResponse(body = "abc"),
    )

      }
    }

    @Throws(IOException::class)
    override fun flush() {
      lock.assertNotHeld()

      ******@****.***ck {
        checkOutNotClosed()
      }
      // TODO(jwilson): flush the connection?!
      while (sendBuffer.size > 0L) {
        emitFrame(false)
        connection.flush()
      }
    }

    override fun timeout(): Timeout = writeTimeout

      cleanupQueue.schedule(cleanupTask)
      return null
    }

    // Flush the journal before creating files to prevent file leaks.
    val journalWriter = this.journalWriter!!
    journalWriter.writeUtf8(DIRTY)
      .writeByte(' '.code)
      .writeUtf8(key)
      .writeByte('\n'.code)
    journalWriter.flush()

    if (hasJournalErrors) {
      return null // Don't edit; the journal can't be written.

        override fun publish(record: LogRecord) {
          val param = record.parameters?.firstOrNull() as? String
          debugHandler(JsseDebugMessage(record.message, param))
        }

        override fun flush() {
        }

        override fun close() {
        }
      },
    )
  }

              override fun contentType() = null

              override fun writeTo(sink: BufferedSink) {
                for (i in 0..9) {
                  sink.writeByte(0)
                  sink.flush()
                  sleep(100)
                }
                fail("Expected connection to be closed")
              }
            },
          )
          .build(),
      )
    interruptLater(500)

  ) {
    for ((name, value) in headers) {
      sink.writeUtf8(name)
      sink.writeUtf8(": ")
      sink.writeUtf8(value)
      sink.writeUtf8("\r\n")
    }
    sink.writeUtf8("\r\n")
    sink.flush()
  }

  /** Returns a sink that applies throttling and disconnecting. */
  private fun Sink.withThrottlingAndSocketPolicy(
    policy: MockResponse,
    disconnectHalfway: Boolean,
    expectedByteCount: Long,

            if (message == "Produced ClientHello handshake message") {
              random = readClientRandom(parameter)
            }
          }
        }

        override fun flush() {}

        override fun close() {}
      }

    private fun readClientRandom(param: String): String? {
      val matchResult = randomRegex.find(param)

      return if (matchResult != null) {

	public fun close ()V
	public final fun delete ()V
	public final fun directory ()Ljava/io/File;
	public final fun directoryPath ()Lokio/Path;
	public final fun evictAll ()V
	public fun flush ()V
	public final fun hitCount ()I
	public final fun initialize ()V
	public final fun isClosed ()Z
	public static final fun key (Lokhttp3/HttpUrl;)Ljava/lang/String;
	public final fun maxSize ()J