toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = <String, dynamic>{};
data['thrust_sea_level'] = _thrustSeaLevel.toJson();
data['thrust_vacuum'] = _thrustVacuum.toJson();
data['reusable'] = _reusable;
data['engines'] = _engines;
data['fuel_amount_tons'] = _fuelAmountTons;
data['burn_time_sec'] = _burnTimeSec;
return data;
}