{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"(unexpanded_fmt_span.shrink_to_hi(),"}]}
                                        (unexpanded_fmt_span.shrink_to_hi(), "\"".to_string()),
                                    vec![
                                        (unexpanded_fmt_span.shrink_to_lo(), "\"".to_string()),