{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"this.visit_generics(impl_item.generics);"}]}
                this.visit_generics(impl_item.generics);
            Type(ty) => self.visit_early(impl_item.hir_id(), impl_item.generics, |this| {
                this.visit_ty_unambig(ty);