services: plugin.manager.aggregator.fetcher: class: Drupal\aggregator\Plugin\AggregatorPluginManager arguments: [fetcher, '@container.namespaces', '@cache.discovery', '@module_handler'] plugin.manager.aggregator.parser: class: Drupal\aggregator\Plugin\AggregatorPluginManager arguments: [parser, '@container.namespaces', '@cache.discovery', '@module_handler'] plugin.manager.aggregator.processor: class: Drupal\aggregator\Plugin\AggregatorPluginManager arguments: [processor, '@container.namespaces', '@cache.discovery', '@module_handler'] aggregator.items.importer: class: Drupal\aggregator\ItemsImporter arguments: ['@config.factory', '@plugin.manager.aggregator.fetcher', '@plugin.manager.aggregator.parser', '@plugin.manager.aggregator.processor', '@logger.channel.aggregator'] logger.channel.aggregator: parent: logger.channel_base arguments: ['aggregator']