presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/storage/FileStorageService.java/FileStorageService/uuidFromString
class FileStorageService:    private static Optional<UUID> uuidFromString(String value)
    {
        try {
            return Optional.of(UUID.fromString(value));
        }
        catch (IllegalArgumentException e) {
            return Optional.empty();
        }
    }