{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"//"}]}
                // These kinds of items have only early-bound lifetime parameters.
            | hir::ItemKind::Impl(&hir::Impl { generics, .. }) => {
                self.visit_early(item.hir_id(), generics, |this| intravisit::walk_item(this, item));