{"ast_node_type":"function","tokens":[{"end":61,"kind":"keyword","start":0,"text":"fn"}]}
    fn visit_path(&mut self, path: &Path<'tcx>, _id: HirId) {
impl<'tcx> Visitor<'tcx> for PathCollector<'tcx> {
        self.paths.push(path.clone()); // need to clone, bc of the restricted lifetime