{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"self.obligations.extend(at.sub(DefineOpaqueTypes::Yes,"}]}
                self.obligations.extend(at.sub(DefineOpaqueTypes::Yes, a, v)?.into_obligations());
            LatticeOpKind::Lub => {
                self.obligations.extend(at.sub(DefineOpaqueTypes::Yes, b, v)?.into_obligations());