{"ast_node_type":"other","tokens":[{"end":39,"kind":"keyword","start":0,"text":"par_for_each_in(roots,"}]}
        par_for_each_in(roots, |root| {
    tcx.sess.time("monomorphization_collector_graph_walk", || {
            collect_items_root(tcx, dummy_spanned(*root), &state, recursion_limit);