{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"Some(tt::TokenTree::Leaf(tt::Leaf::Ident(_ident)))"}]}
                    Some(tt::TokenTree::Leaf(tt::Leaf::Ident(_ident))) => {
                match current.token_tree() {
                        res.push(LIFETIME_IDENT);