private static final SecurityAuditLogger INSTANCE = new SecurityAuditLogger();
    }

    /**
     * Get the singleton instance
     *
     * @return SecurityAuditLogger instance
     */
    public static SecurityAuditLogger getInstance() {
        return SingletonHolder.INSTANCE;
    }

    private SecurityAuditLogger() {
        // Initialize event counters

import org.junit.jupiter.api.Test;

import jcifs.audit.SecurityAuditLogger.EventType;
import jcifs.audit.SecurityAuditLogger.Severity;

/**
 * Test class for SecurityAuditLogger
 */
public class SecurityAuditLoggerTest {

    private SecurityAuditLogger logger;

    @BeforeEach
    void setUp() {
        logger = SecurityAuditLogger.getInstance();
        logger.resetStatistics();

import org.slf4j.LoggerFactory;

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Credentials;
import jcifs.RuntimeCIFSException;
import jcifs.audit.SecurityAuditLogger;
import jcifs.audit.SecurityAuditLogger.EventType;
import jcifs.audit.SecurityAuditLogger.Severity;
import jcifs.spnego.NegTokenInit;
import jcifs.util.Crypto;
import jcifs.util.SecureKeyManager;
import jcifs.util.Strings;

/**

 */
class SmbTransportImpl extends Transport implements SmbTransportInternal, SmbConstants {

    private static Logger log = LoggerFactory.getLogger(SmbTransportImpl.class);
    private static final SecurityAuditLogger auditLogger = SecurityAuditLogger.getInstance();
    private final SimpleCircuitBreaker circuitBreaker;

    private boolean smb2 = false;
    private final InetAddress localAddr;
    private final int localPort;