}

  override fun acquireConnectionNoEvents(connection: RealConnection) {
    call.acquireConnectionNoEvents(connection)
  }

  override fun releaseConnectionNoEvents(): Socket? {
    return call.releaseConnectionNoEvents()
  }

  override fun connectionReleased(connection: Connection) {
    eventListener.connectionReleased(call, connection)
  }

            noNewExchangesEvent = !candidate.noNewExchanges
            candidate.noNewExchanges = true
            connectionUser.releaseConnectionNoEvents()
          }
          candidate.noNewExchanges || !sameHostAndPort(candidate.route().address.url) -> {
            connectionUser.releaseConnectionNoEvents()
          }
          else -> null
        }
      }

    route: Route,
    protocol: Protocol?,
    e: IOException,
  )

  fun connectionAcquired(connection: Connection)

  fun acquireConnectionNoEvents(connection: RealConnection)

  fun releaseConnectionNoEvents(): Socket?

  fun connectionReleased(connection: Connection)

  fun connectionConnectionAcquired(connection: RealConnection)

  fun connectionConnectionReleased(connection: RealConnection)

    e: IOException,
  ) {
  }

  override fun connectionAcquired(connection: Connection) {
  }

  override fun acquireConnectionNoEvents(connection: RealConnection) {
  }

  override fun releaseConnectionNoEvents(): Socket? {
    return null
  }

  override fun connectionReleased(connection: Connection) {
  }

  override fun connectionConnectionAcquired(connection: RealConnection) {
  }

    if (connection != null) {
      connection.lock.assertNotHeld()
      val toClose: Socket? =
        connection.withLock {
          // Sets this.connection to null.
          releaseConnectionNoEvents()
        }
      if (this.connection == null) {
        toClose?.closeQuietly()
        eventListener.connectionReleased(this, connection)

      val toClose: Socket? =
        connection.withLock {
          noNewExchangesEvent = !connection.noNewExchanges
          connection.noNewExchanges = true
          connectionUser.releaseConnectionNoEvents()
        }
      if (toClose != null) {
        toClose.closeQuietly()
        connectionListener.connectionClosed(connection)
      } else if (noNewExchangesEvent) {