{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"impl<'tcx>"}]}
impl<'tcx> ToUniverseInfo<'tcx> for CanonicalTypeOpProvePredicateGoal<'tcx> {
    fn to_universe_info(self, base_universe: ty::UniverseIndex) -> UniverseInfo<'tcx> {