fn collect_return_position_impl_trait_in_trait_tys<'tcx>() -> Result<&'tcx DefIdMap<EarlyBinder<'tcx, Ty<'tcx>>>, ErrorGuaranteed>fn collect_return_position_impl_trait_in_trait_tys<'tcx>() -> Result<&'tcx DefIdMap<EarlyBinder<'tcx, Ty<'tcx>>>, ErrorGuaranteed>