toJson method
Implementation
@override
Object toJson() => {
if (featureFields.isNotDefault)
'featureFields': [for (final i in featureFields) i.toJson()],
if (predictionFields.isNotDefault)
'predictionFields': [for (final i in predictionFields) i.toJson()],
if (groundTruthFields.isNotDefault)
'groundTruthFields': [for (final i in groundTruthFields) i.toJson()],
};