System.arraycopy(testSignature, 0, buffer, 48, 16);

            testMessage.setBytesRead(10);
            testMessage.decode(buffer, 0);

            // Signature is stored internally but not directly accessible
            // Verify decode completes successfully
            assertTrue(testMessage.getLength() > 0);
        }
    }

    @Nested

    protected long durableHandleTimeout = 120000; // 2 minutes
    /** Maximum number of retry attempts for handle reconnection */
    protected int handleReconnectRetries = 3;
    /** Directory to store persistent handle state */
    protected String handleStateDirectory;

    // Directory leasing configuration fields
    /**
     * Whether to use directory leasing for cached directory listings
     */

        return client != null && client.isConnected();
    }
    
    private void reregisterNotifications() {
        // Re-register all previous registrations
        // Implementation would store registration details for recovery
    }
}
```

### 8.2 Network Partition Handling
```java
public class WitnessNetworkPartitionHandler {
    public void handleNetworkPartition() {

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        level = Config.getInt("jcifs.smb1.util.loglevel", -1);
        if (level != -1) {
            LogStream.setLevel(level);
        }
        if (LogStream.level > 2) {
            try {
                Config.store(log, "JCIFS PROPERTIES");
            } catch (final IOException ioe) {}
        }
    }

    /**
     * Handles file download requests for SMB files.
     * @param req the HTTP servlet request

     * @return health check interval in seconds
     */
    int getChannelHealthCheckInterval();

    /**
     * Property {@code jcifs.smb.client.handleStateDirectory}
     *
     * @return directory to store persistent handle state
     */
    String getHandleStateDirectory();

    /**
     * Property {@code jcifs.smb.client.useDirectoryLeasing} (boolean, default true)
     *

     * We will still use the readXxxWireFormat return values to
     * indicate how many bytes(note: readParameterWordsWireFormat
     * returns bytes read and not the number of words(but the
     * wordCount member DOES store the number of words)) we
     * actually read. Incedentally this is important to the
     * AndXServerMessageBlock class that needs to potentially
     * read in another smb's parameter words and bytes based on

            links = new CacheEntry<>(tf.getConfig().getDfsTtl());
            links.map.put("\\", dr);
            DfsReferralDataInternal tmp = dr;
            do {
                /*
                 * Store references to the map and key so that
                 * SmbFile.resolveDfs can re-insert the dr list with
                 * the dr that was successful so that subsequent

    Map<String, Object> propMap = new ConcurrentHashMap<>();

    //
    // system.properties
    //

    default void storeSystemProperties() {
        ComponentUtil.getSystemProperties().store();
    }

    default String getSystemProperty(final String key) {
        return ComponentUtil.getSystemProperties().getProperty(key, System.getProperty(Constants.SYSTEM_PROP_PREFIX + key));
    }

     */
    protected static final String CREATE_TIME = "createTime";

    /**
     * Document type.
     */
    protected static final String _DOC = "_doc";

    /**
     * Fields that store timestamps.
     */
    protected static final String[] timestampFields = { LAST_MODIFIED, CREATE_TIME };

    /**
     * Hash function for generating IDs.
     */