{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"Some(sym)"}]}
        Some(sym) => Ident::new(sym, sp.with_ctxt(SyntaxContext::root())),
    let main_ident = match cx.reexport_test_harness_main {
        None => Ident::new(sym::main, sp),