{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"hir::TraitFn::Required([ident,"}]}
                                        hir::TraitFn::Required([ident, ..]) => {
                                    let self_first_arg = match method {
                                            matches!(ident, Some(Ident { name: kw::SelfLower, .. }))