toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (listings != null) 'listings': listings!,
if (offerTags != null) 'offerTags': offerTags!,
if (packageName != null) 'packageName': packageName!,
if (productId != null) 'productId': productId!,
if (purchaseOptions != null) 'purchaseOptions': purchaseOptions!,
if (regionsVersion != null) 'regionsVersion': regionsVersion!,
if (restrictedPaymentCountries != null)
'restrictedPaymentCountries': restrictedPaymentCountries!,
if (taxAndComplianceSettings != null)
'taxAndComplianceSettings': taxAndComplianceSettings!,
};