docs: public static File getFileSystemPath(File base, UUID shardUuid)
      {
          String uuid = shardUuid.toString().toLowerCase(ENGLISH);
          return base.toPath()
                  .resolve(uuid.substring(0, 2))
                  .resolve(uuid.substring(2, 4))
                  .resolve(uuid + FILE_EXTENSION)
                  .toFile();
      }