{"ast_node_type":"variable","tokens":[{"end":74,"kind":"keyword","start":0,"text":"let"}]}
                let constness = match (*constness, alt_const_trait_span) {
                    attr::find_by_name(&item.attrs, sym::const_trait).map(|attr| attr.span);
                    (Const::Yes(span), _) | (Const::No, Some(span)) => Const::Yes(span),