@Override
    public String toString() {
      return "Stats{" +
          "filesAdded=" + filesPresent +
          ", filesRemoved=" + filesRemoved +
          ", subDirsAdded=" + subDirsPresent +
          ", subDirsRemoved=" + subDirsRemoved +
          ", bytesAdded=" + bytesPresent +
          ", bytesRemoved=" + bytesRemoved +
          '}';
    }
Representation of a directory in the blob store
samza-core/src/main/java/org/apache/samza/storage/blobstore/index/DirIndex.java