{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"Some(ImplTraitInTraitData::Trait"}]}
        Some(ImplTraitInTraitData::Trait { fn_def_id, .. }) => {
    match tcx.opt_rpitit_info(def_id.to_def_id()) {
            let mut predicates = Vec::new();