def ancestors(self, s: sctId) -> RF2_Substrate_Sctids.Sctids:
     return RF2_Substrate_ConstraintOperators.ancestors(RF2_Substrate_Sctids.Sctids(s))
 def descendants(self, s: sctId) -> RF2_Substrate_Sctids.Sctids:
     return RF2_Substrate_ConstraintOperators.descendants(RF2_Substrate_Sctids.Sctids(s))