toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (outOfPocketCost != null) 'outOfPocketCost': outOfPocketCost!,
if (paybackYears != null) 'paybackYears': paybackYears!,
if (rebateValue != null) 'rebateValue': rebateValue!,
if (savings != null) 'savings': savings!,
if (upfrontCost != null) 'upfrontCost': upfrontCost!,
};