return this.cachedSubject;
        } catch (LoginException e) {
            log.error("Failed to create login context", e);
            // Cache null to ensure consistent behavior across calls
            this.cachedSubject = null;
            return null;
        }
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.SmbRenewableCredentials#renew()
     */
    @Override

            // Test full access combination
            int fullAccess = ACE.GENERIC_ALL | ACE.DELETE | ACE.READ_CONTROL | ACE.WRITE_DAC | ACE.WRITE_OWNER;
            assertTrue((fullAccess & ACE.GENERIC_ALL) != 0, "Full access should contain GENERIC_ALL");
            assertTrue((fullAccess & ACE.DELETE) != 0, "Full access should contain DELETE");

    if (delegate != null) {
      metadata =
          Ints.constrainToRange(size(), CompactHashing.DEFAULT_SIZE, CompactHashing.MAX_SIZE);
      delegate.clear(); // invalidate any iterators left over!
      table = null;
      size = 0;
    } else {
      Arrays.fill(requireKeys(), 0, size, null);
      Arrays.fill(requireValues(), 0, size, null);
      CompactHashing.tableClear(requireTable());

        super(formatMessage(errorCode, message), cause);
        this.errorCode = errorCode;
        this.originalMessage = message;
        this.retryPolicy = retryPolicy != null ? retryPolicy : RetryPolicy.DEFAULT;
        this.context = context != null ? new HashMap<>(context) : new HashMap<>();
        this.operationStartTime = System.currentTimeMillis();
        this.operationName = extractOperationName();
        this.attemptNumber = 1;

  /** Initialized in [callStart]. */
  private var callStackTrace: Any? = null

  /** Finds an exchange to send the next request and receive the next response. */
  private var exchangeFinder: ExchangeFinder? = null

  var connection: RealConnection? = null
    private set
  private var timeoutEarlyExit = false

  /**

    /**
     * File information class for basic directory information.
     */
    public static final byte FILE_DIRECTORY_INFO = 0x1;

    /**
     * File information class for full directory information.
     */
    public static final byte FILE_FULL_DIRECTORY_INFO = 0x2;

    /**
     * File information class for both names directory information.
     */

        when(mockCalledName.getNameType()).thenReturn(0x20);
        when(mockCalledName.getScope()).thenReturn(null);

        when(mockCallingName.getName()).thenReturn("CLIENT");
        when(mockCallingName.getNameType()).thenReturn(0x00);
        when(mockCallingName.getScope()).thenReturn(null);

        SessionRequestPacket packet = new SessionRequestPacket(mockConfig, mockCalledName, mockCallingName);

            sids[si].origin_server = null;
            sids[si].origin_auth = null;
        }
    }

    static void resolveSids0(final String authorityServerName, final NtlmPasswordAuthentication auth, final SID[] sids) throws IOException {
        DcerpcHandle handle = null;
        LsaPolicyHandle policyHandle = null;

        synchronized (sid_cache) {
            try {

        if (entry == null)
            return false;

        LeaseManager.LeaseEntry leaseEntry = baseLeaseManager.getLease(entry.getLeaseKey());
        return leaseEntry != null && leaseEntry.hasReadCache();
    }

    /**
     * Get cached directory listing
     *
     * @param directoryPath directory path
     * @return list of cached files or null
     */

            }
        }
        list.addAll(fileList);
        return list;
    }

    /**
     * Extracts the file name from a full object path.
     *
     * @param objectName the full object path
     * @return the file name portion of the path
     */
    private static String getName(final String objectName) {
        final String[] values = objectName.split("/");