connection: Connection,
    route: Route,
    call: Call,
  ) {}

  /**
   * Invoked when a connection is released as no longer required.
   */
  open fun connectionClosed(connection: Connection) {}

  /**
   * Invoked when a call is assigned a particular connection.
   */
  open fun connectionAcquired(
    connection: Connection,
    call: Call,
  ) {}

  /**

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSException;
import jcifs.Configuration;

/**
 * SMB3 Multi-Channel Manager.
 *
 * Manages multiple network connections for improved performance and redundancy
 * as specified in the SMB 3.x multi-channel feature.
 */
public class MultiChannelManager {

    private static final Logger log = LoggerFactory.getLogger(MultiChannelManager.class);

            "The specified network name is no longer available.", "Network access is denied.", "The network name cannot be found.",
            "No more connections can be made to this remote computer at this time because there are already as many connections as the computer can accept.",

    FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Xmn${FESS_HEAP_NEWSIZE}"
fi

# set to headless, just in case
FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Djava.awt.headless=true"

# maximum # keep-alive connections to maintain at once
FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Dhttp.maxConnections=20"

# Force the JVM to use IPv4 stack
if [ "x$FESS_USE_IPV4" != "x" ]; then
  FESS_JAVA_OPTS="$FESS_JAVA_OPTS -Djava.net.preferIPv4Stack=true"

        InetSocketAddress remoteAddress = new InetSocketAddress(hostname, port);
        RdmaConnection connection = createConnection(remoteAddress, null);
        connection.connect();
        return connection;
    }

    @Override
    public RdmaMemoryRegion registerMemory(ByteBuffer buffer, EnumSet<RdmaAccess> access) throws IOException {

    }

    /**
     * Get total number of connections created
     *
     * @return connection count
     */
    public long getConnectionsCreated() {
        return connectionsCreated.get();
    }

    /**
     * Get number of currently active connections
     *
     * @return active connection count
     */
    public long getConnectionsActive() {

      val connectionPool = it.connectionPool

      connectionPool.evictAll()
      if (connectionPool.connectionCount() > 0) {
        // Minimise test flakiness due to possible race conditions with connections closing.
        // Some number of tests will report here, but not fail due to this delay.
        println("Delaying to avoid flakes")
        Thread.sleep(500L)

		},
		config.HelpKV{
			Key:         target.MqttKeepAliveInterval,
			Description: "keep-alive interval for MQTT connections in s,m,h,d",
			Optional:    true,
			Type:        "duration",
		},
		config.HelpKV{
			Key:         target.MqttReconnectInterval,
			Description: "reconnect interval for MQTT connections in s,m,h,d",
			Optional:    true,
			Type:        "duration",
		},
		config.HelpKV{

	//   isTransaction: Indicates whether this operation is part of a transaction, which may affect the caching strategy.
	//   connPool: A connection pool that provides database connections.
	//   locker: A synchronization lock that is unlocked after initialization to avoid deadlocks.
	// Returns:
	//   *Stmt: A newly created statement object for executing SQL operations.

 * correlated by stream ID.
 *
 *  * [onRequest]
 *  * [onHeaders] (unless canceled)
 *  * [onData] (optional sequence of data frames)
 *
 * As a stream ID is scoped to a single HTTP/2 connection, implementations which target multiple
 * connections should expect repetition of stream IDs.
 *
 * Return true to request cancellation of a pushed stream.  Note that this does not guarantee
 * future frames won't arrive on the stream ID.
 */