toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (annualLeasingCost != null) 'annualLeasingCost': annualLeasingCost!,
if (leasesAllowed != null) 'leasesAllowed': leasesAllowed!,
if (leasesSupported != null) 'leasesSupported': leasesSupported!,
if (savings != null) 'savings': savings!,
};