{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"UbChecks"}]}
            UbChecks => ImmTy::from_bool(M::ub_checks(self)?, *self.tcx),
            }
            ContractChecks => ImmTy::from_bool(M::contract_checks(self)?, *self.tcx),