{"ast_node_type":"variable","tokens":[{"end":64,"kind":"keyword","start":0,"text":"let"}]}
            let parent = tcx.local_parent(item.owner_id.def_id);
        if !live_symbols.contains(&item.owner_id.def_id) {
            if parent != module.to_local_def_id() && !live_symbols.contains(&parent) {