val pooled3 = routePlanner.planReusePooledConnection(this, routes)
    if (pooled3 != null) return pooled3.connection

    connection.withLock {
      connectionPool.put(connection)
      call.acquireConnectionNoEvents(connection)
    }

    call.eventListener.connectionAcquired(call, connection)
    connection.connectionListener.connectionAcquired(connection, call)
    return connection
  }

          when {
            requireMultiplexed && !connection.isMultiplexed -> false
            !connection.isEligible(address, routes) -> false
            else -> {
              call.acquireConnectionNoEvents(connection)
              true
            }
          }
        }
      if (!acquired) continue

      // Confirm the connection is healthy and return it.

    withLock {
      this.requestBodyOpen = true
      this.responseBodyOpen = true
    }

    if (canceled) throw IOException("Canceled")
    return result
  }

  fun acquireConnectionNoEvents(connection: RealConnection) {
    connection.assertLockHeld()

    check(this.connection == null)
    this.connection = connection
    connection.calls.add(CallReference(this, callStackTrace))
  }