/**
     * Puts the specified data into the cache. <strong>Warning:</strong> The cache will directly save the provided
     * reference. If the cached data is mutable, i.e. could be modified after being put into the cache, the caller is
     * responsible for creating a copy of the original data and store the copy in the cache.
     *
     * @param request The repository request from which this cache was retrieved, must not be {@code null}.

	if err != nil {
		return err
	}
	cache := *c

	if cache.status == scanStateNone || cache.fileNotFound {
		return errFileNotFound
	}
	if cache.status == scanStateSuccess || cache.status == scanStateStarted {
		if time.Since(cache.lastUpdate) > metacacheMaxRunningAge {
			// We got a stale entry, mark error on handling server.
			err := fmt.Errorf("timeout: list %s not updated", cache.id)
			cache.error = err.Error()

        for (String path : expiredPaths) {
            log.debug("Cleaning up expired directory cache entry: {}", path);
            releaseDirectoryLease(path);
        }
    }

    /**
     * Create SmbFile from cached file info
     *
     * @param directoryPath parent directory path
     * @param fileInfo cached file information
     * @return SmbFile instance
     * @throws IOException on error
     */

        String[] fields = { "cache1", "cache2", "cache3" };
        queryFieldConfig.setCacheResponseFields(fields);

        String[] result = queryFieldConfig.getCacheResponseFields();
        assertSame(fields, result);
    }

    @Test
    public void test_setCacheResponseFields() {
        String[] fields = { "cache1", "cache2", "cache3" };
        queryFieldConfig.setCacheResponseFields(fields);

  }

  /**
   * Accumulates statistics during the operation of a {@link Cache} for presentation by {@link
   * Cache#stats}. This is solely intended for consumption by {@code Cache} implementors.
   *
   * @since 10.0
   */
  public interface StatsCounter {
    /**
     * Records cache hits. This should be called when a cache request returns a cached value.
     *
     * @param count the number of hits to record

        // Step 3: Verify can cache directory listing
        assertTrue(directoryLeaseManager.canCacheDirectoryListing(directoryPath));

        // Step 4: Initially no cached listing
        assertNull(directoryLeaseManager.getCachedDirectoryListing(directoryPath));

        // Step 5: Simulate directory enumeration and update cache
        List<SmbFile> files = Arrays.asList(mockFile1, mockFile2);

            assertSame(cachedOrig, copySubj, "Clone should share the cached Subject reference");

            // Refreshing the original must not clear the clone's cached subject
            orig.refresh();
            // Clone should retain its cached Subject
            assertSame(copySubj, copy.getSubject(), "Clone should retain its cached Subject");
        } else {

 * This implementation caches method and field lookups to avoid repeated reflection operations.
 */
public final class EnhancedCompositeBeanHelper {

    // Cache for method lookups: Class -> PropertyName -> MethodInfo
    private static final ConcurrentMap<Class<?>, Map<String, MethodInfo>> METHOD_CACHE = new ConcurrentHashMap<>();

    // Cache for field lookups: Class -> FieldName -> Field

  }

  /**
   * Accumulates statistics during the operation of a {@link Cache} for presentation by {@link
   * Cache#stats}. This is solely intended for consumption by {@code Cache} implementors.
   *
   * @since 10.0
   */
  public interface StatsCounter {
    /**
     * Records cache hits. This should be called when a cache request returns a cached value.
     *
     * @param count the number of hits to record

     *
     * @see Function
     * @see Optional
     * @see HashMap#computeIfAbsent(Object, Function)
     */
    static UnaryOperator<String> memoize(UnaryOperator<String> callback) {
        Map<String, Optional<String>> cache = new HashMap<>();
        return s -> cache.computeIfAbsent(s, v -> Optional.ofNullable(callback.apply(v)))