{"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"tcx.hir_walk_toplevel_module(&mut"}]}
    tcx.hir_walk_toplevel_module(&mut collector);
        StatCollector { tcx: Some(tcx), nodes: FxHashMap::default(), seen: FxHashSet::default() };
    tcx.hir_walk_attributes(&mut collector);