{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"//"}]}
            // `as_ref` and `as_deref` compatibility.
            // Given `Result<_, E>`, check our expected ty is `Result<_, &E>` for
            let error_tys_equate_as_ref = error_tys.is_none_or(|(found, expected)| {