{"ast_node_type":"other","tokens":[{"end":16,"kind":"keyword","start":0,"text":")"}]}
    ) -> Result<
        goal: CanonicalTypeOpNormalizeGoal<'tcx, ty::PolyFnSig<'tcx>>
        &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ty::PolyFnSig<'tcx>>>,