private TypingList GetValues() => _values ?? (_values = new TypingList(TypingTypeFactory.CreateValuesViewType(_dictType.DeclaringModule.Interpreter, _dictType.ValueType)));
private TypingList GetItems() => _items ?? (_items = new TypingList(TypingTypeFactory.CreateItemsViewType(_dictType.DeclaringModule.Interpreter, _dictType)));
private TypingList GetKeys() => _keys ?? (_keys = new TypingList(TypingTypeFactory.CreateKeysViewType(_dictType.DeclaringModule.Interpreter, _dictType.KeyType)));