def DecryptInt64(self, ciphertext):
    if not isinstance(ciphertext, int) and not isinstance(ciphertext, long):
      raise ValueError('Expected int or long type ciphertext but got: %s' %
                       type(ciphertext))
    plaintext = self.Decrypt(ciphertext)
    return self._Unwrap96bitTo64bit(plaintext)
True if the String is missing or has no value.
dataset/ETHPy150Open google/encrypted-bigquery-client/src/paillier.py/Paillier.DecryptInt64--crossover with--dataset/ETHPy150Open jek/flatland/flatland/schema/scalars.py/String.is_empty