{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"tcx.impl_trait_ref(impl_item.container_id(tcx)).unwrap().instantiate_identity();"}]}
        tcx.impl_trait_ref(impl_item.container_id(tcx)).unwrap().instantiate_identity();
    let impl_trait_ref =
    debug!(?impl_trait_ref);