{"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"tcx.opt_rpitit_info(def_id.to_def_id())"}]}
        tcx.opt_rpitit_info(def_id.to_def_id())
    if let Some(ty::ImplTraitInTraitData::Trait { opaque_def_id, .. }) =
    {