@Override
    public boolean equals(Object o) {
      if (this == o) {
        return true;
      }
      if (o == null || getClass() != o.getClass()) {
        return false;
      }
      BlobVersion that = (BlobVersion) o;
      return version == that.version && alreadyDeleted == that.alreadyDeleted && Objects.equals(blobId, that.blobId);
    }
The class to represent the blob id and version of the blob that was deleted.
ambry-api/src/main/java/com/github/ambry/named/DeleteResult.java