{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"monospace_width(&it.label.primary)"}]}
                    monospace_width(&it.label.primary)
                let pad_with = label_width.saturating_sub(
                        + monospace_width(it.label.detail_left.as_deref().unwrap_or_default())