{"ast_node_type":"variable","tokens":[{"end":46,"kind":"keyword","start":0,"text":"let"}]}
        let def_id = local_def_id.to_def_id();
    if let Some((local_def_id, _)) = visitor.rustc_main_fn {
        Some((def_id, EntryFnType::Main { sigpipe: sigpipe(tcx) }))