{"ast_node_type":"variable","tokens":[{"end":79,"kind":"keyword","start":0,"text":"let"}]}
            let mut escape_prior_bits = |new_text: &mut String, up_to: usize| {
            let mut escape_places = escape_places.into_iter().peekable();
                for before in escape_places.peeking_take_while(|insert| *insert >= up_to) {