{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"all_bound_vars.extend(pred_bound_vars.iter());"}]}
                        all_bound_vars.extend(pred_bound_vars.iter());
                        let mut all_bound_vars = bound_vars.clone();
                        let super_def_id = data.trait_ref.def_id;