FeedHtmlRouteProvider.php

<?php

namespace Drupal\aggregator;

use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Entity\Routing\AdminHtmlRouteProvider;

/**
 * Provides HTML routes for the feed entity type.
 */
class FeedHtmlRouteProvider extends AdminHtmlRouteProvider {
    
    /**
     * {@inheritdoc}
     */
    protected function getCanonicalRoute(EntityTypeInterface $entity_type) {
        $route = parent::getCanonicalRoute($entity_type);
        $route->setDefault('_title_controller', '\\Drupal\\aggregator\\Controller\\AggregatorController::feedTitle');
        return $route;
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getEditFormRoute(EntityTypeInterface $entity_type) {
        $route = parent::getEditFormRoute($entity_type);
        $route->setDefault('_title', 'Configure');
        return $route;
    }

}