toJson method
Returns a JSON presentation of the object.
Implementation
@override
Map<String, Object> toJson() {
var result = <String, Object>{};
result['file'] = file;
result['regions'] =
regions.map((NavigationRegion value) => value.toJson()).toList();
result['targets'] =
targets.map((NavigationTarget value) => value.toJson()).toList();
result['files'] = files;
return result;
}