toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (designCapacity != null) 'designCapacity': designCapacity!,
if (designMinVoltage != null) 'designMinVoltage': designMinVoltage!,
if (manufactureDate != null) 'manufactureDate': manufactureDate!,
if (manufacturer != null) 'manufacturer': manufacturer!,
if (serialNumber != null) 'serialNumber': serialNumber!,
if (technology != null) 'technology': technology!,
};