toJson method
Implementation
@override
Object toJson() => {
if (logProbabilitySum != null)
'logProbabilitySum': encodeDouble(logProbabilitySum),
if (topCandidates.isNotDefault) 'topCandidates': encodeList(topCandidates),
if (chosenCandidates.isNotDefault)
'chosenCandidates': encodeList(chosenCandidates),
};