toJson method
Implementation
@override
Object toJson() => {
'startTime': ?startTime?.toJson(),
'endTime': ?endTime?.toJson(),
if (state.isNotDefault) 'state': state.toJson(),
if (cancellationRequested.isNotDefault)
'cancellationRequested': cancellationRequested,
'request': ?request?.toJson(),
if (progress.isNotDefault) 'progress': progress,
if (writerIdentity.isNotDefault) 'writerIdentity': writerIdentity,
};