{"ast_node_type":"variable","tokens":[{"end":53,"kind":"keyword","start":0,"text":"if"}]}
        if let Some(def_id) = path.res.opt_def_id() {
    fn visit_path(&mut self, path: &hir::Path<'tcx>, id: hir::HirId) {
            let method_span = path.segments.last().map(|s| s.ident.span);