Numerator:   100,
			Denominator: xdstype.FractionalPercent_HUNDRED,
		},
	}

	out.AllowCredentials = in.AllowCredentials
	out.AllowHeaders = strings.Join(in.AllowHeaders, ",")
	out.AllowMethods = strings.Join(in.AllowMethods, ",")
	out.ExposeHeaders = strings.Join(in.ExposeHeaders, ",")
	if in.MaxAge != nil {
		out.MaxAge = strconv.FormatInt(in.MaxAge.GetSeconds(), 10)
	}
	return &out
}