void addMessageInfo(BlobReadOptions blobReadOptions, byte[] messageStoreRecoveryInfo, StoreFindToken token) {
      items.add(new HardDeletePersistItem(blobReadOptions, messageStoreRecoveryInfo, token));
    }
An object of this class contains all the information required for performing the hard delete recovery for the
associated blob. This is the information that is persisted from time to time.
ambry-store/src/main/java/com/github/ambry/store/HardDeleter.java