{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"|err:"}]}
            |err: &mut Diag<'_>, found_to_exp_is_fallible: bool, exp_to_found_is_fallible: bool| {
        let suggest_to_change_suffix_or_into =
                let exp_is_lhs = expected_ty_expr.is_some_and(|e| self.tcx.hir_is_lhs(e.hir_id));