toJson method
Returns a Map representation of the OptimizationData object.
The keys of the Map are 'code', 'summary', 'routes' and 'unassigned'.
Implementation
Map<String, dynamic> toJson() => {
'code': code,
'summary': summary.toJson(),
'routes': routes
.map<Map<String, dynamic>>((OptimizationRoute e) => e.toJson())
.toList(),
'unassigned': unassigned,
};