{"ast_node_type":"function","tokens":[{"end":53,"kind":"keyword","start":0,"text":"fn"}]}
    fn hir_node(&self, hir_id: HirId) -> Node<'tcx> {
impl<'tcx> intravisit::HirTyCtxt<'tcx> for TyCtxt<'tcx> {
        (*self).hir_node(hir_id)