* @param maxCacheAge the maximum cache age in milliseconds
     */
    public void setMaxCacheAge(long maxCacheAge) {
        this.maxCacheAge = maxCacheAge;
    }

    /**
     * Checks if directory change notifications are enabled for cache invalidation
     * @return true if change notifications are enabled
     */
    public boolean isNotificationEnabled() {
        return notificationEnabled;
    }

                    }
                }
            }
            return outputFile.exists();
        });

    }

    /**
     * Checks if the response data contains an image MIME type that can be processed
     * for thumbnail generation.
     *
     * @param responseData the response data containing MIME type information

            assertFalse(UniAddress.isDotQuadIP(input));
        }

        @Test
        void shouldReturnTrueForInvalidOctetValues() {
            // isDotQuadIP does not validate octet values, only checks format
            assertTrue(UniAddress.isDotQuadIP("192.168.1.256"));
            assertTrue(UniAddress.isDotQuadIP("999.999.999.999"));
        }

        @Test
        void shouldThrowExceptionForNullInput() {

     * @return an optional containing the authenticated user if successful, empty otherwise
     */
    public OptionalEntity<FessUser> login(final String username, final String password) {
        // Add defensive null/blank checks
        if (StringUtil.isBlank(username) || StringUtil.isBlank(password)) {
            if (logger.isDebugEnabled()) {
                logger.debug("Login failed: username or password is blank");
            }

            sb.append(String.format("%02X", contextHandle[i] & 0xFF));
        }
        sb.append("-").append(shareName.hashCode());

        return sb.toString();
    }

    /**
     * Checks if the client is connected to the witness service.
     *
     * @return true if connected
     */
    public boolean isConnected() {
        return connected && rpcHandle != null;
    }

    @Override

            return baos.toByteArray();
        } catch (IOException e) {
            throw new CIFSException("LZ77+Huffman decompression failed", e);
        }
    }

    /**
     * Counts the number of unique bytes in the data (for entropy estimation).
     */
    private int countUniqueBytes(byte[] data) {
        boolean[] seen = new boolean[256];
        int count = 0;

        final String key = entity.getVirtualHost();
        return StringUtil.isBlank(key) ? StringUtil.EMPTY : key;
    }

    /**
     * Retrieves related content for a given search query.
     * First checks for exact term matches, then evaluates regex patterns.
     * For regex matches, the query placeholder is replaced with the actual query.
     *
     * @param query the search query to find related content for

            return SortBuilders.scoreSort().order(order);
        }
        return SortBuilders.fieldSort(field).order(order);
    }

    /**
     * Checks if the specified field is a search field.
     * Uses O(1) Set lookup for improved performance.
     * @param field The field name to check.
     * @return True if the field is a search field, false otherwise.
     */

    /**
     * Checks if the transport is disconnected.
     *
     * @return whether the transport is disconnected
     */
    public boolean isDisconnected() {
        return this.state == 4 || this.state == 5 || this.state == 6 || this.state == 0;
    }

    /**
     * Checks if the transport is in a failed state.
     *

    /**
     * Returns the settings index name.
     * @return The settings index name.
     */
    public String getSettingsIndexName() {
        return settingsIndexName;
    }

    /**
     * Checks if the settings are initialized.
     * @return True if initialized, false otherwise.
     */
    public boolean isInitialized() {
        return initialized;
    }