toJson method
Implementation
Map<String, dynamic> toJson() => <String, dynamic>{
'posId': posId,
if (timeout != const Duration(milliseconds: 3500))
'timeout': timeout.inMilliseconds / 1000.0,
if (preload) 'preload': true,
if (logo != null) 'logo': logo!.toJson(),
if (android != null) 'android': android!.toJson(),
if (ios != null) 'ios': ios!.toJson(),
};