@Override
  public long getBytesRead() {
    return bytesRead;
  }
Utility to construct a previously serialized {@code CloudFindToken} from input stream.
@param inputStream {@code DataInputStream} from which to read the token.
@return deserialized {@code CloudFindToken} object.
@throws IOException
ambry-cloud/src/main/java/com/github/ambry/cloud/azure/CosmosUpdateTimeFindToken.java