toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (description != null) 'description': description!,
if (footer != null) 'footer': footer!,
if (image != null) 'image': image!,
if (openUriAction != null) 'openUriAction': openUriAction!,
if (title != null) 'title': title!,
};