def saved_query_lookup(self) -> SavedQueryLookup:
        """Retuns a SavedQueryLookup, instantiating it first if necessary."""
        if self._saved_query_lookup is None:
            self._saved_query_lookup = SavedQueryLookup(self)
        return self._saved_query_lookup
Retuns a SavedQueryLookup, instantiating it first if necessary.
core/dbt/contracts/graph/manifest.py