13 files declare their use of FeedInterface in Drupal 9
- AggregatorController.php in core/
modules/ aggregator/ src/ Controller/ AggregatorController.php - AggregatorRefresh.php in core/
modules/ aggregator/ src/ Plugin/ QueueWorker/ AggregatorRefresh.php - AggregatorTestBase.php in core/
modules/ aggregator/ tests/ src/ Functional/ AggregatorTestBase.php - DefaultFetcher.php in core/
modules/ aggregator/ src/ Plugin/ aggregator/ fetcher/ DefaultFetcher.php - DefaultParser.php in core/
modules/ aggregator/ src/ Plugin/ aggregator/ parser/ DefaultParser.php - DefaultProcessor.php in core/
modules/ aggregator/ src/ Plugin/ aggregator/ processor/ DefaultProcessor.php - Feed.php in core/
modules/ aggregator/ src/ Entity/ Feed.php - FetcherInterface.php in core/
modules/ aggregator/ src/ Plugin/ FetcherInterface.php - ParserInterface.php in core/
modules/ aggregator/ src/ Plugin/ ParserInterface.php - ProcessorInterface.php in core/
modules/ aggregator/ src/ Plugin/ ProcessorInterface.php - TestFetcher.php in core/
modules/ aggregator/ tests/ modules/ aggregator_test/ src/ Plugin/ aggregator/ fetcher/ TestFetcher.php - TestParser.php in core/
modules/ aggregator/ tests/ modules/ aggregator_test/ src/ Plugin/ aggregator/ parser/ TestParser.php - TestProcessor.php in core/
modules/ aggregator/ tests/ modules/ aggregator_test/ src/ Plugin/ aggregator/ processor/ TestProcessor.php