{"ast_node_type":"variable","tokens":[{"end":73,"kind":"keyword","start":0,"text":"let"}]}
            let mut escape_places = escape_places.into_iter().peekable();
                new_text.rmatch_indices(['\\', '$', '}']).map(|(insert, _)| insert).collect_vec();
            let mut escape_prior_bits = |new_text: &mut String, up_to: usize| {