code: def endure_multi(self, keys, persist_to=-1, replicate_to=-1,
                       timeout=5.0, interval=0.010, check_removed=False):
          
          return _Base.endure_multi(self, keys, persist_to=persist_to,
                                    replicate_to=replicate_to,
                                    timeout=timeout, interval=interval,
                                    check_removed=check_removed)
docs: Check durability requirements for multiple keys
  
          :param keys: The keys to check
  
          The type of keys may be one of the following:
              * Sequence of keys
              * A :class:`~couchbase.result.MultiResult` object
              * A ``dict`` with CAS values as the dictionary value
              * A sequence of :class:`~couchbase.result.Result` objects
  
          :return: A :class:`~.MultiResult` object
              of :class:`~.OperationResult` items.
  
          .. seealso:: :meth:`endure`