this.status = "HTTP/1.1 200 OK"
      this.bodyVar = null
      this.streamHandlerVar = null
      this.webSocketListenerVar = null
      this.headers =
        Headers.Builder()
          .add("Content-Length", "0")
      this.trailers = Headers.Builder()
      this.throttleBytesPerPeriod = Long.MAX_VALUE
      this.throttlePeriodNanos = 0L
      this.socketPolicy = KeepOpen
      this.bodyDelayNanos = 0L

  fun setBody(body: Buffer) =
    apply {
      setHeader("Content-Length", body.size)
      this.body = body.clone() // Defensive copy.
    }

  fun setBody(body: String): MockResponse = setBody(Buffer().writeUtf8(body))

  fun setChunkedBody(
    body: Buffer,
    maxChunkSize: Int,
  ) = apply {
    removeHeader("Content-Length")
    headersBuilder.add(CHUNKED_BODY_HEADER)