override fun contentLength() = -1L

  override fun writeTo(sink: BufferedSink) {
    GzipSink(sink).buffer().use(delegate::writeTo)
  }

  override fun isOneShot() = delegate.isOneShot()

  /** The number of parts in this multipart body. */
  @get:JvmName("size")
  val size: Int
    get() = parts.size

  fun part(index: Int): Part = parts[index]

  override fun isOneShot(): Boolean = parts.any { it.body.isOneShot() }

  /** A combination of [type] and [boundaryByteString]. */
  override fun contentType(): MediaType = contentType

  @JvmName("-deprecated_type")
  @Deprecated(
    message = "moved to val",

      |
      """.trimMargin().replace("\n", "\r\n")
    val body =
      MultipartBody
        .Builder("123")
        .addPart("Hello, World!".toRequestBody(null))
        .build()

    assertThat(body.isOneShot()).isEqualTo(false)

    val buffer = Buffer()
    body.writeTo(buffer)
    assertThat(body.contentLength()).isEqualTo(buffer.size)
    assertThat(buffer.readUtf8()).isEqualTo(expected)

          call.eventListener.followUpDecision(call, response, null)
          return response
        }

        val followUpBody = followUp.body
        if (followUpBody != null && followUpBody.isOneShot()) {
          closeActiveExchange = false
          call.eventListener.followUpDecision(call, response, null)
          return response
        }

        response.body.closeQuietly()

          counter++
          assertThat(counter).isLessThanOrEqualTo(1)
          sink.writeUtf8("Hello request!")
          sink.close()
        }

        override fun isOneShot() = true
      }
    val request =
      request()
        .post(asyncRequestBody)
        .build()
    val response = client.newCall(request).execute()

	public final fun -deprecated_type ()Lokhttp3/MediaType;
	public final fun boundary ()Ljava/lang/String;
	public fun contentLength ()J
	public fun contentType ()Lokhttp3/MediaType;
	public fun isOneShot ()Z
	public final fun part (I)Lokhttp3/MultipartBody$Part;
	public final fun parts ()Ljava/util/List;
	public final fun size ()I
	public final fun type ()Lokhttp3/MediaType;
	public fun writeTo (Lokio/BufferedSink;)V

  }

  @Test
  fun testFileDescriptor() {
    assertOnFileDescriptor { fd ->
      val requestBody = fd.toRequestBody()

      assertThat(requestBody.contentLength()).isEqualTo(-1L)
      assertThat(requestBody.isOneShot()).isEqualTo(true)
    }
  }

  @Test
  fun testFileDescriptorRead() {
    assertOnFileDescriptor(content = "Hello") { fd ->
      val requestBody = fd.toRequestBody()

      val buffer = Buffer()

          logger.log("--> END ${request.method} (encoded body omitted)")
        } else if (requestBody.isDuplex()) {
          logger.log("--> END ${request.method} (duplex request body omitted)")
        } else if (requestBody.isOneShot()) {
          logger.log("--> END ${request.method} (one-shot body omitted)")
        } else {
          var buffer = Buffer()
          requestBody.writeTo(buffer)

          var gzippedLength: Long? = null

    assertThat(cache.hitCount()).isEqualTo(0)
  }

  private fun String.toOneShotRequestBody(): RequestBody =
    object : RequestBody() {
      val internalBody = Stream.of(this)

      override fun isOneShot(): Boolean = true

      override fun contentType(): MediaType? = "application/text-plain".toMediaTypeOrNull()

      override fun writeTo(sink: BufferedSink) {
        internalBody.forEach { item ->

    between Kotlin's `assert()` and Java's `assert()`. (Kotlin always evaluates the argument; Java
    only does when assertions are enabled.)

 *  Fix: Honor `RequestBody.isOneShot()` in `HttpLoggingInterceptor`.


## Version 4.2.2

_2019-10-06_

 *  Fix: When closing a canceled HTTP/2 stream, don't send the `END_STREAM` flag. This could cause