docs: public static Optional<JMProgressiveManager<Path, Path>>
      copyFilePathListAsync(List<Path> filePathList,
              Path destinationDirPath, CopyOption... options) {
          return operateBulk(filePathList, destinationDirPath,
                  sourcePath -> Optional.ofNullable(
                          copy(sourcePath, destinationDirPath, options)));
      }