toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (audio != null) 'audio': audio!,
if (color != null) 'color': color!,
if (crop != null) 'crop': crop!,
if (deblock != null) 'deblock': deblock!,
if (denoise != null) 'denoise': denoise!,
if (pad != null) 'pad': pad!,
};