}
```

### 3.2 Directory Cache Scopes
```java
public enum DirectoryCacheScope {
    IMMEDIATE_CHILDREN,    // Only direct children
    RECURSIVE_TREE,        // Entire subtree (if supported)
    METADATA_ONLY,         // File attributes but not content
    FULL_ENUMERATION      // Complete directory listing
}
```

## 4. Data Structures

### 4.1 Directory Lease Context
```java

    /**
     * Whether to use directory leasing for cached directory listings
     */
    protected boolean useDirectoryLeasing = true;
    /**
     * The scope of directory caching: ALL (entire subtree) or IMMEDIATE_CHILDREN (direct children only)
     */
    protected String directoryCacheScope = "IMMEDIATE_CHILDREN";
    /**
     * Directory cache timeout in milliseconds
     */

    }

    @Test
    void testEquals() {
        SmbTree tree1 = new SmbTree(session, "testShare", "testService");
        SmbTree tree2 = new SmbTree(session, "testShare", "testService");
        SmbTree tree3 = new SmbTree(session, "otherShare", "testService");
        SmbTree tree4 = new SmbTree(session, "testShare", "otherService");

        // Test equal trees (same share and service)

        trees = new Vector();
        connectionState = 0;
    }

    synchronized SmbTree getSmbTree(String share, final String service) {
        SmbTree t;

        if (share == null) {
            share = "IPC$";
        }
        for (final Enumeration e = trees.elements(); e.hasMoreElements();) {
            t = (SmbTree) e.nextElement();
            if (t.matches(share, service)) {
                return t;

        when(shared.acquire(false)).thenReturn(shared);

        setTree(c1, shared);
        setTree(c2, shared);
        assertTrue(c1.isSame(c2));

        SmbTreeImpl other = mock(SmbTreeImpl.class);
        when(other.acquire(false)).thenReturn(other);
        setTree(c2, other);
        assertFalse(c1.isSame(c2));
    }

    @Test

    }

    public SmbTreeImpl acquire() {
        return acquire(true);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbTree#unwrap(java.lang.Class)
     */
    @SuppressWarnings("unchecked")
    @Override
    public <T extends SmbTree> T unwrap(final Class<T> type) {
        if (type.isAssignableFrom(this.getClass())) {
            return (T) this;
        }

            result[ri] = "";
            ri++;
        }
    }

    DfsReferral getDfsReferrals(final NtlmPasswordAuthentication auth, final String path, int rn) throws SmbException {
        final SmbTree ipc = getSmbSession(auth).getSmbTree("IPC$", null);
        final Trans2GetDfsReferralResponse resp = new Trans2GetDfsReferralResponse();
        ipc.send(new Trans2GetDfsReferral(path), resp);

                assertTrue(SmbSession.class.isAssignableFrom((Class<?>) unwrapMethod.getReturnType()),
                        "unwrap method should return SmbSession or subtype");
            }, "unwrap(Class) method should be properly defined");
        }

        @Test
        @DisplayName("Should handle unwrap with SmbSession type")
        void shouldHandleUnwrapWithSmbSessionType() {

@Override
public void logoff() throws IOException {
    if (witnessClient != null) {
        witnessClient.close();
    }
    super.logoff();
}
```

### 5.2 Tree Connection Integration
```java
// In SmbTree.java
public void connectWithWitnessSupport() throws IOException {
    // Perform normal tree connection
    super.connect();
    
    // Register for witness notifications for this share