{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"tcx.sess.opts.unstable_opts.force_unstable_if_unmarked"}]}
        tcx.sess.opts.unstable_opts.force_unstable_if_unmarked || tcx.features().staged_api();
    let is_staged_api =
    if is_staged_api {