oos.writeObject(info);
            log.debug("Persisted handle: {}", info.getPath());
        } catch (IOException e) {
            log.error("Failed to persist handle: " + info.getPath(), e);
        }
    }

    private void removePersistedHandle(HandleInfo info) {
        if (info.getType() != HandleType.PERSISTENT) {
            return;
        }

        
        // Persistent handles don't expire
        HandleInfo persistent = new HandleInfo(
            "/test/file2.txt",
            new HandleGuid(),
            new byte[16],
            HandleType.PERSISTENT,
            0,
            null
        );
        
        Thread.sleep(100);
        assertFalse(persistent.isExpired());
    }
    
    @Test

        }
        return numOfDeleted;
    }

    /**
     * Refreshes the specified index to make recent changes visible for search.
     * This operation ensures that all pending writes are persisted and searchable.
     *
     * @param searchEngineClient the search engine client to use for refresh
     * @param index the index name to refresh
     * @return the refresh status code
     */

     */
    public jcifs.internal.smb2.persistent.DurableHandleResponse getDurableHandleResponse() {
        if (this.createContexts != null) {
            for (CreateContextResponse ctx : this.createContexts) {
                if (ctx instanceof jcifs.internal.smb2.persistent.DurableHandleResponse) {
                    return (jcifs.internal.smb2.persistent.DurableHandleResponse) ctx;
                }
            }

        addCreateContext(new jcifs.internal.smb2.persistent.DurableHandleRequest());
    }

    /**
     * Add a durable handle V2 context to this request
     * @param timeoutMs the timeout in milliseconds (0 for persistent handles)
     * @param persistent true if this should be a persistent handle
     * @return the create GUID for this handle
     */

- Add lease break handling in `SmbTransport`

---

### Phase 2: Persistent Handles
**Priority: HIGH** | **Estimated Effort: 4-5 weeks**

Persistent handles allow connections to survive network interruptions and server failovers.

#### 2.1 Core Persistent Handle Infrastructure
```
Package: jcifs.internal.smb2.persistent
├── PersistentHandleContext.java     - Persistent handle create context

     * will not be permitted to access the target file and will receive "The
     * file is being accessed by another process" message.
     */
    int FILE_NO_SHARE = 0x00;
    /**
     * When specified as the <code>shareAccess</code> constructor parameter,
     * other SMB clients will be permitted to read from the target file while

        final long actual = e.getActualSize();
        final long permitted = e.getPermitted();
        final String msg = "Exceeded size of the multipart request: actual=" + actual + " permitted=" + permitted;
        request.setAttribute(MAX_LENGTH_EXCEEDED_KEY, new MultipartExceededException(msg, actual, permitted, e));
        try {
            final InputStream is = request.getInputStream();
            try {

    /** Whether to use persistent handles for maximum reliability */
    protected boolean usePersistentHandles = false;
    /** Timeout for durable handles in milliseconds */
    protected long durableHandleTimeout = 120000; // 2 minutes
    /** Maximum number of retry attempts for handle reconnection */
    protected int handleReconnectRetries = 3;
    /** Directory to store persistent handle state */

        }

        @Test
        @DisplayName("Persistent handles capability should be 0x10")
        void testGlobalCapPersistentHandles() {
            assertEquals(0x10, Smb2Constants.SMB2_GLOBAL_CAP_PERSISTENT_HANDLES, "Persistent handles capability must be 0x10");
        }

        @Test
        @DisplayName("Directory leasing capability should be 0x20")