{"ast_node_type":"function","tokens":[{"end":61,"kind":"keyword","start":0,"text":"fn"}]}
    fn desugar_try_block(&mut self, e: BlockExpr) -> ExprId {
    /// and save the `<new_label>` to use it as a break target for desugaring of the `?` operator.
        let try_from_output = self.lang_path(LangItem::TryTraitFromOutput);