{"ast_node_type":"variable","tokens":[{"end":73,"kind":"keyword","start":0,"text":"let"}]}
            let (ident, is_simple_parameter) = match parameter.pat.kind {
            // `let <pat> = __argN;` statement. In this case, we do not rename the parameter.
                hir::PatKind::Binding(hir::BindingMode(ByRef::No, _), _, ident, _) => (ident, true),