sharedWith method
Returns a list of @sign with whom AtCollectionModel object is shared with
Phone personalPhone = await Phone('personal phone').save();
var sahreRes = await personalPhone.share(['@kevin', '@colin']);
var sharedList = await personalPhone.getSharedWith();
Returns an empty list when object is not shared.
Implementation
@override
Future<List<String>> sharedWith() async {
return _atCollectionModelOperations.sharedWith();
}