toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (lineItemId != null) 'lineItemId': lineItemId!,
if (operationId != null) 'operationId': operationId!,
if (priceAmount != null) 'priceAmount': priceAmount!,
if (productId != null) 'productId': productId!,
if (quantity != null) 'quantity': quantity!,
if (reason != null) 'reason': reason!,
if (reasonText != null) 'reasonText': reasonText!,
if (taxAmount != null) 'taxAmount': taxAmount!,
};