toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (byteOffset != null) 'byteOffset': byteOffset!,
if (concatPosition != null) 'concatPosition': concatPosition!,
if (end != null) 'end': end!,
if (key != null) 'key': key!,
if (recordIndex != null) 'recordIndex': recordIndex!,
if (shufflePosition != null) 'shufflePosition': shufflePosition!,
};