{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"self.tcx.dcx().emit_err(errors::UselessStability"}]}
                    self.tcx.dcx().emit_err(errors::UselessStability { span, item_sp });
                    let item_sp = self.tcx.def_span(def_id);
                }