* [Call.request] is a redirect to a different address.
   */
  open fun requestBodyStart(call: Call) {
  }

  /**
   * Invoked immediately after sending a request body.
   *
   * This method is always invoked after [requestBodyStart].
   */
  open fun requestBodyEnd(
    call: Call,
    byteCount: Long,
  ) {
  }

  /**

      "CallStart", "ProxySelectStart", "ProxySelectEnd", "DnsStart", "DnsEnd", "ConnectStart",
      "SecureConnectStart", "SecureConnectEnd", "ConnectEnd", "ConnectionAcquired",
      "RequestHeadersStart", "RequestHeadersEnd", "RequestBodyStart", "ResponseHeadersStart",
      "ResponseHeadersEnd", "ResponseBodyStart", "ResponseBodyEnd", "RequestBodyEnd",
      "ConnectionReleased", "CallEnd",
    )
  }

  @Test
  fun duplexWith100Continue() {

        ),
      )
      .assertLogMatch(Regex("""requestHeadersStart"""))
      .assertLogMatch(Regex("""requestHeadersEnd"""))
      .assertLogMatch(Regex("""requestBodyStart"""))
      .assertLogMatch(Regex("""requestBodyEnd: byteCount=6"""))
      .assertLogMatch(Regex("""responseHeadersStart"""))

        override fun requestHeadersStart(call: Call) = TODO()

        override fun requestHeadersEnd(
          call: Call,
          request: Request,
        ) = TODO()

        override fun requestBodyStart(call: Call) = TODO()

        override fun requestBodyEnd(
          call: Call,
          byteCount: Long,
        ) = TODO()

        override fun requestFailed(
          call: Call,