toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (body != null) 'body': body!,
if (header != null) 'header': header!,
if (image != null) 'image': image!,
if (sortIndex != null) 'sortIndex': sortIndex!,
if (uri != null) 'uri': uri!,
if (viewConstraints != null) 'viewConstraints': viewConstraints!,
};