* That may introduce an extra class for each lambda (currently a dozen).
     */
    Logger local = logger;
    if (local != null) {
      return local;
    }
    synchronized (lock) {
      local = logger;
      if (local != null) {
        return local;
      }
      return logger = Logger.getLogger(loggerName);
    }
  }

    /**
     * Sets the current {@link CrawlerContext} for the current thread.
     * If the provided {@code crawlerContext} is {@code null}, the context is removed from the thread-local storage.
     * Otherwise, the provided {@code crawlerContext} is set in the thread-local storage.
     *
     * @param crawlerContext the {@link CrawlerContext} to be set for the current thread, or {@code null} to remove the context.
     */

 * permissions, and keys for local and remote access.
 */
public abstract class RdmaMemoryRegion implements AutoCloseable {

    /** Memory buffer for RDMA operations */
    protected final ByteBuffer buffer;
    /** Access permissions for this memory region */
    protected final EnumSet<RdmaAccess> accessFlags;
    /** Local key for accessing this memory region */
    protected final int localKey;

     * This specialized method returns a Map of users and local groups for the
     * target server where keys are SIDs representing an account and each value
     * is an ArrayList of SIDs represents the local groups that the account is
     * a member of.
     *
     * This method is designed to assist with computing access control for a
     * given user when the target object's ACL has local groups. Local groups

    }

    @Test
    public void testCreateConnection() throws Exception {
        InetSocketAddress remote = new InetSocketAddress("localhost", 445);
        InetSocketAddress local = null;

        RdmaConnection connection = provider.createConnection(remote, local);
        assertNotNull(connection, "Connection should not be null");
        assertEquals(remote, connection.getRemoteAddress(), "Remote address should match");
    }

    @Test

    /**
     * Get transport connection, with local binding
     *
     * @param tc
     *            context to use
     * @param address the server address
     * @param port the port number
     * @param localAddr the local address to bind to
     * @param localPort the local port to bind to
     * @param hostName the server host name
     * @param exclusive

     *
     * @param remote remote socket address
     * @param local local socket address, may be null for auto-binding
     * @return new RDMA connection instance
     * @throws IOException if connection creation fails
     */
    RdmaConnection createConnection(InetSocketAddress remote, InetSocketAddress local) throws IOException;

    /**
     * Connect to a remote RDMA endpoint
     *

     * This is used in the negotation of local authentication.
     */
    int NTLMSSP_NEGOTIATE_OEM_DOMAIN_SUPPLIED = 0x00001000;

    /**
     * Indicates whether the OEM-formatted workstation name is supplied
     * in the Type-1 message. This is used in the negotiation of local
     * authentication.
     */
    int NTLMSSP_NEGOTIATE_OEM_WORKSTATION_SUPPLIED = 0x00002000;

        CONNECTED,
        ESTABLISHED,
        ERROR,
        CLOSING,
        CLOSED
    }
    
    public RdmaConnection(InetSocketAddress remote, InetSocketAddress local) {
        this.remoteAddress = remote;
        this.localAddress = local;
        this.sendCredits = new AtomicInteger(0);
        this.receiveCredits = new AtomicInteger(RdmaCapabilities.DEFAULT_RECEIVE_CREDIT_MAX);

    * This is used in the negotation of local authentication.
    */
    int NTLMSSP_NEGOTIATE_OEM_DOMAIN_SUPPLIED = 0x00001000;

    /**
    * Indicates whether the OEM-formatted workstation name is supplied
    * in the Type-1 message.  This is used in the negotiation of local
    * authentication.
    */
    int NTLMSSP_NEGOTIATE_OEM_WORKSTATION_SUPPLIED = 0x00002000;