{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"this.lower_expr_while_in_loop_scope(span,"}]}
                        this.lower_expr_while_in_loop_scope(span, cond, body, opt_label)
                        let opt_label = this.lower_label(*opt_label, e.id, expr_hir_id);
                    })