toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (enable != null) 'enable': enable!,
if (optionalFields != null) 'optionalFields': optionalFields!,
if (optionalMode != null) 'optionalMode': optionalMode!,
if (sampleRate != null) 'sampleRate': sampleRate!,
};