private void OnRemoved(TModel element)
{
element.ChangedRebuild -= OnAdded;
element.ChangedRebuild -= OnRemoved;
element.Changed -= OnChanged;
foreach (var representation in _modelToView[element])
{
_view.Remove(representation);
_viewToModel.Remove(representation);
var disposable = representation as IDisposable;
disposable?.Dispose();
}
_modelToView.RemoveKey(element);
}