public T Object <T>([CallerMemberName] string name = null, Func <ModelDataAccessor, T> factory = null, bool createIfNull = false, [CallerMemberName] string propertyName = null)
{
var obj = _refs.GetOrCreateObject(_obj, name, factory, createIfNull);
_changeTracker?.On(name, propertyName);
return(obj);
}
