{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"builder.push(tt::Leaf::Punct(*punct));"}]}
                                    builder.push(tt::Leaf::Punct(*punct));
                                Separator::Lifetime(punct, ident) => {
                                    builder.push(tt::Leaf::Ident(ident.clone()));