toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (displayName != null) 'displayName': displayName!,
if (historyId != null) 'historyId': historyId!,
if (name != null) 'name': name!,
if (testPlatform != null) 'testPlatform': testPlatform!,
};