toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (pointsCouponValue != null) 'pointsCouponValue': pointsCouponValue!,
if (pointsDiscountRateMicros != null)
'pointsDiscountRateMicros': pointsDiscountRateMicros!,
if (pointsOfferId != null) 'pointsOfferId': pointsOfferId!,
if (pointsSpent != null) 'pointsSpent': pointsSpent!,
};