{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":".get_mut_or_insert_default(tcx.def_span(tr.def_id))"}]}
                                        .get_mut_or_insert_default(tcx.def_span(tr.def_id))
                                    bound_spans
                                        .push(msg.clone());