Merge remote-tracking branch 'magenius-team/bug/unique-fields-iterator' into 2.3-develop-fast-lane-prs

Author: p-bystritsky

lib/internal/Magento/Framework/Model/ResourceModel/Db/AbstractDb.php

@@ -18,6 +18,7 @@
  * @SuppressWarnings(PHPMD.NumberOfChildren)
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  * @SuppressWarnings(PHPMD.ExcessiveClassComplexity)
+ * phpcs:disable Magento2.Classes.AbstractApi
  * @api
  */
 abstract class AbstractDb extends AbstractResource