{"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"existing_bound_vars.extend(bound_vars);"}]}
        existing_bound_vars.extend(bound_vars);
        let existing_bound_vars_saved = existing_bound_vars.clone();
        self.record_late_bound_vars(item_segment.hir_id, existing_bound_vars_saved);