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- <?php
- namespace Drupal\aggregator;
- /**
- * Provides an interface defining an aggregator items importer.
- */
- interface ItemsImporterInterface {
- /**
- * Updates the feed items by triggering the import process.
- *
- * This process can be slow and lengthy because it relies on network
- * operations. Calling it on performance critical paths should be avoided.
- *
- * @param \Drupal\aggregator\FeedInterface $feed
- * The feed which items should be refreshed.
- *
- * @return bool
- * TRUE if there is new content for the feed FALSE otherwise.
- */
- public function refresh(FeedInterface $feed);
- /**
- * Deletes all imported items from a feed.
- *
- * @param \Drupal\aggregator\FeedInterface $feed
- * The feed that associated items should be deleted from.
- */
- public function delete(FeedInterface $feed);
- }
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