def prepend_multi(self, keys, format=None, persist_to=0, replicate_to=0):
        """Prepend to multiple keys. Multi variant of :meth:`prepend`

        .. seealso:: :meth:`prepend`, :meth:`upsert_multi`, :meth:`upsert`
        """
        return _Base.prepend_multi(self,
                                   keys,
                                   format=format,
                                   persist_to=persist_to,
                                   replicate_to=replicate_to)
    def prepend_multi(
            self,  # type: Client
            keys,  # type: Mapping[str,Any]
            ttl=0,  # type: int
            format=None,  # type: int
            persist_to=0,  # type: int
            replicate_to=0  # type: int
    ):
        # type: (...)->Result
        """Prepend to multiple keys. Multi variant of :meth:`prepend`

        .. seealso:: :meth:`prepend`, :meth:`upsert_multi`, :meth:`upsert`
        """
        return _Base.prepend_multi(self,
                                   keys,
                                   format=format,
                                   persist_to=persist_to,
                                   replicate_to=replicate_to)