protected function getClipboardItems(EnvironmentInterface $environment)
    {
        $basicDefinition = $environment->getDataDefinition()->getBasicDefinition();

        $filter = new Filter();
        $filter->andModelIsFromProvider($basicDefinition->getDataProvider());
        if ($basicDefinition->getParentDataProvider()) {
            $filter->andParentIsFromProvider($basicDefinition->getParentDataProvider());
        } else {
            $filter->andHasNoParent();
        }

        return $environment->getClipboard()->fetch($filter);
    }