{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"debug!(?ty_param_def_id,"}]}
        debug!(?ty_param_def_id, ?assoc_ident, ?span);
    ) -> Result<ty::PolyTraitRef<'tcx>, ErrorGuaranteed> {
        let tcx = self.tcx();