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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 _meta_collections(self):
 """Provides the meta collections currently being used """

        if self.use_single_meta_collection:
            yield self.meta_collection_name
        else:
            for name in self.meta_database.collection_names(
                include_system_collections=False
            ):
                yield name