{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"||"}]}
                || self.tcx.sess.opts.unstable_opts.force_unstable_if_unmarked)
            && (self.tcx.features().staged_api()
            && is_fn_or_trait_safe_to_expose_on_stable(self.tcx, self.def_id().to_def_id())