expectedByteCount: Long,
    socket: Socket,
  ): Sink {
    var result: Sink = this

    if (policy.throttlePeriodNanos > 0L) {
      result =
        ThrottledSink(
          delegate = result,
          bytesPerPeriod = policy.throttleBytesPerPeriod,
          periodDelayNanos = policy.throttlePeriodNanos,
        )
    }

    if (disconnectHalfway) {
      val halfwayByteCount =

      before() // This implicitly starts the delegate.
      return delegate.port
    }

  val hostName: String
    get() {
      before() // This implicitly starts the delegate.
      return delegate.hostName
    }

  var protocolNegotiationEnabled: Boolean by delegate::protocolNegotiationEnabled

  @get:JvmName("protocols")
  var protocols: List<Protocol>
    get() = delegate.protocols
    set(value) {