@Test
    public void testHandleGuidGeneration() {
        HandleGuid guid1 = new HandleGuid();
        HandleGuid guid2 = new HandleGuid();
        
        assertNotEquals(guid1, guid2);
        assertEquals(16, guid1.toBytes().length);
        
        // Test round-trip
        HandleGuid guid3 = new HandleGuid(guid1.toBytes());
        assertEquals(guid1, guid3);
    }
    
    @Test

     * @param leaseKey the associated lease key (can be null)
     * @return the handle GUID
     */
    public HandleGuid requestDurableHandle(String path, HandleType type, long timeout, Smb2LeaseKey leaseKey) {
        HandleGuid guid = new HandleGuid();

        // Create handle info with empty file ID (will be populated after successful create response)

     * @param persistent true if this should be a persistent handle
     * @return the create GUID for this handle
     */
    public jcifs.internal.smb2.persistent.HandleGuid addDurableHandleV2Context(long timeoutMs, boolean persistent) {
        jcifs.internal.smb2.persistent.DurableHandleV2Request context =
                new jcifs.internal.smb2.persistent.DurableHandleV2Request(timeoutMs, persistent);

    }

    /**
     * Get the durable handle GUID from the response
     * @return the durable handle GUID or null if no durable handle was granted
     */
    public jcifs.internal.smb2.persistent.HandleGuid getDurableHandleGuid() {
        // For now, return null as the GUID is typically provided in the request context
        // and the response doesn't necessarily contain the GUID in a standard format
        return null;