}
            });
            updateThreads[i].start();
        }

        // Test concurrent reads
        Thread[] readThreads = new Thread[3];
        for (int i = 0; i < readThreads.length; i++) {
            readThreads[i] = new Thread(() -> {
                for (int j = 0; j < 100; j++) {
                    List<DirectoryCacheEntry.FileInfo> children = entry.getChildren();