{"ast_node_type":"variable","tokens":[{"end":84,"kind":"keyword","start":0,"text":"let"}]}
                        let local_def_id = this.r.local_def_id(item.id).to_def_id();
                    |this| {
                        this.with_self_rib(Res::SelfTyParam { trait_: local_def_id }, |this| {