toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (applicableProducts != null)
'applicableProducts': applicableProducts!,
if (endTime != null) 'endTime': endTime!,
if (freeTrialDuration != null) 'freeTrialDuration': freeTrialDuration!,
if (introductoryPricingDetails != null)
'introductoryPricingDetails': introductoryPricingDetails!,
if (name != null) 'name': name!,
if (promotionType != null) 'promotionType': promotionType!,
if (regionCodes != null) 'regionCodes': regionCodes!,
if (startTime != null) 'startTime': startTime!,
if (titles != null) 'titles': titles!,
};