private static final Logger LOGGER = LoggerFactory.getLogger(ZipHasher.class);
    private static final HashCode EMPTY_HASH_MARKER = Hashing.signature(ZipHasher.class);

    public static boolean isZipFile(final String name) {
        return KNOWN_ZIP_EXTENSIONS.contains(FilenameUtils.getExtension(name).toLowerCase(Locale.ROOT));
    }

    private final ResourceHasher resourceHasher;

            RegularFileSnapshotContext fileSnapshotContext = new DefaultRegularFileSnapshotContext(() -> Iterables.toArray(relativePath.getSegments(), String.class), fileSnapshot);
            try {
                if (ZipHasher.isZipFile(fileSnapshotContext.getSnapshot().getName())) {
                    return cacheService.hashFile(fileSnapshotContext, zipHasher, zipHasherConfigurationHash);
                } else if (relativePath.isRoot()) {