{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"try_visit!(visitor.visit_fn_decl(sig.decl));"}]}
            try_visit!(visitor.visit_fn_decl(sig.decl));
        TraitItemKind::Fn(ref sig, TraitFn::Required(param_idents)) => {
            for ident in param_idents.iter().copied() {