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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def prefetchDeclarativeIds(self, Declarative, count) -> Deferred: """ Get PG Sequence Generator A PostGreSQL sequence generator returns a chunk of IDs for the given declarative. :return: A generator that will provide the IDs :rtype: an iterator, yielding the numbers to assign """

        return self._dbConn.prefetchDeclarativeIds(Declarative=Declarative, count=count)