ConnectResult(plan, throwable = e)
            }
          // Only post a result if this hasn't since been canceled.
          if (plan in tcpConnectsInFlight) {
            connectResults.put(connectResult)
          }
          return -1L
        }
      },
    )
    return null
  }

  private fun awaitTcpConnect(
    timeout: Long,
    unit: TimeUnit,
  ): ConnectResult? {