private val delegate: RequestBody

  fun delegate(): RequestBody = delegate

  override fun contentType(): MediaType? = delegate.contentType()

  @Throws(IOException::class)
  override fun contentLength(): Long = delegate.contentLength()

  @Throws(IOException::class)
  override fun writeTo(sink: BufferedSink) {
    delegate.writeTo(sink)
  }

  override fun isDuplex(): Boolean = delegate.isDuplex()

            }
            final long contentLength = getContentLength(out);
            if (contentLength > maxContentLength) {
                throw new MaxLengthExceededException("Content length (" + contentLength + " bytes) exceeds the maximum allowed length ("
                        + maxContentLength + " bytes).");
            }
            if (contentLength == 0) {
                if (logger.isDebugEnabled()) {

      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")

            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();
                }

      ) {
        exchange.noNewExchangesOnConnection()
      }
      if ((code == 204 || code == 205) && response.body.contentLength() > 0L) {
        throw ProtocolException(
          "HTTP $code had non-zero Content-Length: ${response.body.contentLength()}",
        )
      }
      return response
    } catch (e: IOException) {
      if (sendRequestException != null) {

     */
    public long getContentLength() {
        return contentLength;
    }

    /**
     * Sets the content length of the response.
     *
     * @param contentLength the content length in bytes
     */
    public void setContentLength(final long contentLength) {
        this.contentLength = contentLength;
    }

    /**
     * Gets the MIME type of the response.
     *

  @Test
  fun sourceClosesUnderlyingSource() {
    var closed = false

    val body: ResponseBody =
      object : ResponseBody() {
        override fun contentType(): MediaType? = null

        override fun contentLength(): Long = 5

        override fun source(): BufferedSource {
          val source = Buffer().writeUtf8("hello")
          return object : ForwardingSource(source) {
            override fun close() {

            builder.field(CREATE_TIME, createTime);
        }
        if (executionTime != null) {
            builder.field(EXECUTION_TIME, executionTime);
        }
        if (contentLength != null) {
            builder.field(CONTENT_LENGTH, contentLength);
        }
        if (lastModified != null) {
            builder.field(LAST_MODIFIED, lastModified);
        }
        if (accessResultData instanceof ToXContent) {

		return
	}

	// Error out if Content-Length is missing.
	// PutBucketPolicy always needs Content-Length.
	if r.ContentLength <= 0 {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrMissingContentLength), r.URL)
		return
	}

	// Error out if Content-Length is beyond allowed size.
	if r.ContentLength > maxBucketPolicySize {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrPolicyTooLarge), r.URL)
		return
	}

    val expected = "sim=ple&hey=there&help=me"
    assertThat(body.contentLength()).isEqualTo(expected.length.toLong())
    val buffer = Buffer()
    body.writeTo(buffer)
    assertThat(buffer.readUtf8()).isEqualTo(expected)
  }

  @Test
  fun buildEmptyForm() {
    val body = FormBody.Builder().build()
    val expected = ""
    assertThat(body.contentLength()).isEqualTo(expected.length.toLong())
    val buffer = Buffer()