{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"lifetime_defs.extend(more_lifetime_defs);"}]}
            lifetime_defs.extend(more_lifetime_defs);
        if let (more_lifetime_defs, Some(binder_span)) = self.parse_late_bound_lifetime_defs()? {
            self.dcx().emit_err(errors::BinderBeforeModifiers { binder_span, modifiers_span });