docs: public BucketSet getBucketSet(Iterable<String> paths) {
  
          Set<String> bucketNames = Sets.newHashSet();
          for (String path : paths) {
              bucketNames.addAll(getBucketsForPath(path));
          }
          if (LOG.isDebugEnabled()) {
              LOG.debug("Determined bucket set " + bucketNames.toString() + " for path set " + paths);
          }
          return new BucketSet(bucketNames);
      }