{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"self.add_constraints_from_invariant_args(subst.as_slice(Interner),"}]}
                    self.add_constraints_from_invariant_args(subst.as_slice(Interner), variance);
                if let ConstScalar::UnevaluatedConst(_, subst) = &c.interned {
                }