docs: def atomic_batch_mutate(self, mutation_map, consistency_level):
      """
        Atomically mutate many columns or super columns for many row keys. See also: Mutation.
  
        mutation_map maps key to column family to a list of Mutation objects to take place at that scope.
      *
  
      Parameters:
       - mutation_map
       - consistency_level
      """
      self._seqid += 1
      d = self._reqs[self._seqid] = defer.Deferred()
      self.send_atomic_batch_mutate(mutation_map, consistency_level)
      return d