return Buffer()
    .write(this)
    .asResponseBody(contentType, size.toLong())
}

internal fun ByteString.commonToResponseBody(contentType: MediaType?): ResponseBody {
  return Buffer()
    .write(this)
    .asResponseBody(contentType, size.toLong())
}

internal fun BufferedSource.commonAsResponseBody(
  contentType: MediaType?,
  contentLength: Long,
): ResponseBody =

     * @return 変換された{@link Long}
     */
    public static Long toLong(final Object o) {
        return toLong(o, null);
    }

    /**
     * {@link Long}に変換します。
     *
     * @param o
     *            変換元のオブジェクト
     * @param pattern
     *            パターン文字列
     * @return 変換された{@link Long}
     */
    public static Long toLong(final Object o, final String pattern) {
        if (o == null) {

  contentType: MediaType?,
  offset: Int,
  byteCount: Int,
): RequestBody {
  checkOffsetAndCount(size.toLong(), offset.toLong(), byteCount.toLong())
  return object : RequestBody() {
    override fun contentType() = contentType

    override fun contentLength() = byteCount.toLong()

    override fun writeTo(sink: BufferedSink) {
      sink.write(this@commonToRequestBody, offset, byteCount)
    }
  }
}

      @Suppress("UNUSED_VARIABLE")
      val ttl = buf.readInt().toLong() and 0xffffffffL // ttl
      val length = buf.readShort().toInt() and 0xffff

      if (type == TYPE_A || type == TYPE_AAAA) {
        val bytes = ByteArray(length)
        buf.read(bytes)
        result.add(InetAddress.getByAddress(bytes))
      } else {
        buf.skip(length.toLong())
      }
    }

    return result
  }

  }

  override fun readTimeoutMillis(): Int = readTimeoutMillis

  override fun withReadTimeout(
    timeout: Int,
    unit: TimeUnit,
  ): Interceptor.Chain {
    check(exchange == null) { "Timeouts can't be adjusted in a network interceptor" }

    return copy(readTimeoutMillis = checkDuration("readTimeout", timeout.toLong(), unit))
  }

      frameHeader(
        streamId = streamId,
        length = length + 4,
        type = TYPE_PUSH_PROMISE,
        flags = if (byteCount == length.toLong()) FLAG_END_HEADERS else 0,
      )
      sink.writeInt(promisedStreamId and 0x7fffffff)
      sink.write(hpackBuffer, length.toLong())

      if (byteCount > length) writeContinuationFrames(streamId, byteCount - length)
    }
  }

  @Throws(IOException::class)

        }

        toWrite = minOf(byteCount, writeBytesMaximum - writeBytesTotal).toInt()
        toWrite = minOf(toWrite, writer.maxDataLength())
        writeBytesTotal += toWrite.toLong()
      }

      byteCount -= toWrite.toLong()
      writer.data(outFinished && byteCount == 0L, streamId, buffer, toWrite)
    }
  }

  internal fun writeSynResetLater(
    streamId: Int,
    errorCode: ErrorCode,
  ) {

      if (requestCaching.maxAgeSeconds != -1) {
        freshMillis = minOf(freshMillis, SECONDS.toMillis(requestCaching.maxAgeSeconds.toLong()))
      }

      var minFreshMillis: Long = 0
      if (requestCaching.minFreshSeconds != -1) {
        minFreshMillis = SECONDS.toMillis(requestCaching.minFreshSeconds.toLong())
      }

      var maxStaleMillis: Long = 0

    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()
    body.writeTo(buffer)

 */
class HeadersReader(val source: BufferedSource) {
  private var headerLimit = HEADER_LIMIT.toLong()

  /** Read a single line counted against the header size limit. */
  fun readLine(): String {
    val line = source.readUtf8LineStrict(headerLimit)
    headerLimit -= line.length.toLong()
    return line
  }

  /** Reads headers or trailers. */
  fun readHeaders(): Headers {