NodeAccessTestAutoBubblingController.php

<?php

namespace Drupal\node_access_test_auto_bubbling\Controller;

use Drupal\Core\Controller\ControllerBase;
use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
use Drupal\node\NodeInterface;

/**
 * Returns a node ID listing.
 */
class NodeAccessTestAutoBubblingController extends ControllerBase implements ContainerInjectionInterface {
    
    /**
     * Lists the three latest published node IDs.
     *
     * @return array
     *   A render array.
     */
    public function latest() {
        $nids = $this->entityTypeManager()
            ->getStorage('node')
            ->getQuery()
            ->condition('status', NodeInterface::PUBLISHED)
            ->sort('created', 'DESC')
            ->range(0, 3)
            ->execute();
        return [
            '#markup' => $this->t('The three latest nodes are: @nids.', [
                '@nids' => implode(', ', $nids),
            ]),
        ];
    }

}