toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (displayMode != null) 'displayMode': displayMode!,
if (icons != null) 'icons': icons!,
if (name != null) 'name': name!,
if (startUrl != null) 'startUrl': startUrl!,
if (title != null) 'title': title!,
if (versionCode != null) 'versionCode': versionCode!,
};