toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (bitrateBps != null) 'bitrateBps': bitrateBps!,
if (channelCount != null) 'channelCount': channelCount!,
if (channelLayout != null) 'channelLayout': channelLayout!,
if (codec != null) 'codec': codec!,
if (mapping != null)
'mapping': mapping!.map((value) => value.toJson()).toList(),
if (sampleRateHertz != null) 'sampleRateHertz': sampleRateHertz!,
};