Fix type hint

Author: jissereitsma

ProviderHandler/RepositoryHandler.php

@@ -10,6 +10,7 @@
 use Magento\Framework\Api\SortOrder;
 use Magento\Framework\Api\SortOrderFactory;
 use Magento\Framework\Data\Collection\AbstractDb;
+use Magento\Framework\Model\ResourceModel\Db\AbstractDb as AbstractResourceModel;
 use Magento\Framework\DataObject;
 use Magento\Framework\ObjectManagerInterface;
 use RuntimeException;