startRoot method
Starts the Privileged Server through su.
Implementation
@override
Future<PrivServerInfo> startRoot({
int? timeoutMillis,
String? operationId,
}) async => PrivServerInfo.fromMap(
await _requireMap('startRoot', <String, Object?>{
'timeoutMillis': timeoutMillis,
'operationId': operationId,
}),
);