toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (autoPlay != null) 'autoPlay': autoPlay!,
if (end != null) 'end': end!,
if (mute != null) 'mute': mute!,
if (outline != null) 'outline': outline!,
if (start != null) 'start': start!,
};