checkPermission method
Checks permission against packageName.
Unlike checkServerPermission, which inspects the connected server itself, this can inspect any package on the device.
Returns privilegePermissionGranted (0) or privilegePermissionDenied (-1).
Implementation
Future<int> checkPermission({
required String permission,
required String packageName,
int? userId,
}) {
throw UnimplementedError('checkPermission() has not been implemented.');
}