return failureCounts.getOrDefault(handle.getDirectoryPath(), 0);
    }

    /**
     * Increment failure count for a handle
     *
     * @param handle notification handle
     */
    private void incrementFailureCount(ChangeNotificationHandle handle) {
        failureCounts.compute(handle.getDirectoryPath(), (path, count) -> count == null ? 1 : count + 1);
    }

    /**

        // Verify cache entry was created
        DirectoryCacheEntry cacheEntry = directoryLeaseManager.getCacheEntry(directoryPath);
        assertNotNull(cacheEntry);
        assertEquals(directoryPath, cacheEntry.getDirectoryPath());
        assertEquals(expectedKey, cacheEntry.getLeaseKey());
        assertEquals(scope, cacheEntry.getScope());
    }

    @Test
    public void testGetCacheEntry() {

        entry = new DirectoryCacheEntry(directoryPath, leaseKey, DirectoryCacheScope.IMMEDIATE_CHILDREN);
    }

    @Test
    public void testConstructor() {
        assertEquals(directoryPath, entry.getDirectoryPath());
        assertEquals(leaseKey, entry.getLeaseKey());
        assertEquals(DirectoryCacheScope.IMMEDIATE_CHILDREN, entry.getScope());
        assertFalse(entry.isComplete());
        assertFalse(entry.hasChanges());

        // Step 2: Verify cache entry was created
        DirectoryCacheEntry cacheEntry = directoryLeaseManager.getCacheEntry(directoryPath);
        assertNotNull(cacheEntry);
        assertEquals(directoryPath, cacheEntry.getDirectoryPath());
        assertEquals(DirectoryCacheScope.IMMEDIATE_CHILDREN, cacheEntry.getScope());
        assertFalse(cacheEntry.isComplete());

        // Step 3: Verify can cache directory listing

        } finally {
            lock.writeLock().unlock();
        }
    }

    /**
     * Gets the directory path for this cache entry
     * @return the directory path
     */
    public String getDirectoryPath() {
        return directoryPath;
    }

    /**
     * Gets the lease key associated with this directory cache
     * @return the lease key
     */
    public Smb2LeaseKey getLeaseKey() {