{"ast_node_type":"function","tokens":[{"end":64,"kind":"keyword","start":0,"text":"fn"}]}
    fn visit_path(&mut self, path: &hir::Path<'tcx>, _: HirId) {
impl<'tcx> Visitor<'tcx> for CaptureCollector<'_, 'tcx> {
        if let Res::Local(var_id) = path.res {