check(rawSocket == null) { "TCP already connected" }

    var success = false

    // Tell the call about the connecting call so async cancels work.
    user.addPlanToCancel(this)
    try {
      user.connectStart(route)

      connectSocket()
      success = true
      return ConnectResult(plan = this)
    } catch (e: IOException) {
      user.connectFailed(route, null, e)

        ) = TODO()

        override fun dnsEnd(
          call: Call,
          domainName: String,
          inetAddressList: List<InetAddress>,
        ) = TODO()

        override fun connectStart(
          call: Call,
          inetSocketAddress: InetSocketAddress,
          proxy: Proxy,
        ) = TODO()

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