private function processPasteInto(CollectionInterface $models, ModelIdInterface $into = null)
    {
        if ($into && $models->count() && $into->getId()) {
            $manualSorting = ViewHelpers::getManualSortingProperty($this->getEnvironment());

            $this->pasteInto($this->modelCollector->getModel($into), $models, $manualSorting);

            $this->triggerPostPasteModel($models);
            $this->clearModelCollection($models);
        }
    }