*/
  private val maxIdleConnections: Int,
  keepAliveDuration: Long,
  timeUnit: TimeUnit,
  internal val connectionListener: ConnectionListener,
  private val exchangeFinderFactory: (RealConnectionPool, Address, ConnectionUser) -> ExchangeFinder,
) {
  internal val keepAliveDurationNs: Long = timeUnit.toNanos(keepAliveDuration)

  @Volatile

      taskRunner = taskRunner,
      maxIdleConnections = maxIdleConnections,
      keepAliveDuration = keepAliveDuration,
      timeUnit = timeUnit,
      connectionListener = connectionListener,
      exchangeFinderFactory = { pool, address, user ->
        FastFallbackExchangeFinder(
          ForceConnectRoutePlanner(
            RealRoutePlanner(
              taskRunner = taskRunner,
              connectionPool = pool,

      taskRunner = taskRunner,
      maxIdleConnections = maxIdleConnections,
      keepAliveDuration = 100L,
      timeUnit = TimeUnit.NANOSECONDS,
      connectionListener = ConnectionListener.NONE,
      exchangeFinderFactory = { pool, address, user ->
        FastFallbackExchangeFinder(
          routePlanner ?: RealRoutePlanner(
            taskRunner = taskRunner,
            connectionPool = pool,