{"ast_node_type":"variable","tokens":[{"end":76,"kind":"keyword","start":0,"text":"let"}]}
                        let (item, of_trait) = match node.to_annotatable() {
                            matches!(&deleg.qself, Some(qself) if qself.position == 0);
                            Annotatable::AssocItem(item, AssocCtxt::Impl { of_trait }) => {