setInfoReq.setFileId(createResp.getFileId());
                    setInfoReq.setFileInformation(new FileRenameInformation2(destPath, replace));
                    sh.send(setInfoReq);
                } finally {
                    // Always close the file handle - ensure createResp is not null
                    if (createResp != null && createResp.getFileId() != null) {

                try {
                    // Send SMB2 Change Notify request
                    Smb2ChangeNotifyRequest request = new Smb2ChangeNotifyRequest();
                    request.setFileId(handle.directoryFile.getFileId());
                    request.setCompletionFilter(getNotificationFilter());
                    request.setWatchTree(false);  // Non-recursive for now
                    

        when(fh.acquire()).thenReturn(fh);
        lenient().when(fh.isValid()).thenReturn(true);
        lenient().when(fh.getTree()).thenReturn(tree);
        when(fh.getFileId()).thenReturn(new byte[16]);

        // Setup for ioctl request
        when(tree.send(any(Smb2IoctlRequest.class), eq(RequestParam.NO_RETRY))).thenReturn(ioctlResp);

        when(fh.acquire()).thenReturn(fh);
        when(fh.isValid()).thenReturn(true);
        when(fh.getTree()).thenReturn(tree);
        when(fh.getFileId()).thenReturn(new byte[16]);
        when(fh.getFid()).thenReturn(1);

        // build via package-private constructor to control unshared flag