TestTasksSettingsSub1.php

<?php

namespace Drupal\menu_test\Plugin\Menu\LocalTask;

use Drupal\Core\Menu\LocalTaskDefault;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Symfony\Component\HttpFoundation\Request;
// cspell:ignore ragdoll

/**
 * Defines a local task plugin with a dynamic title.
 */
class TestTasksSettingsSub1 extends LocalTaskDefault {
    use StringTranslationTrait;
    
    /**
     * {@inheritdoc}
     */
    public function getTitle(?Request $request = NULL) {
        return $this->t('Dynamic title for @class', [
            '@class' => 'TestTasksSettingsSub1',
        ]);
    }
    
    /**
     * {@inheritdoc}
     */
    public function getCacheTags() {
        return [
            'kittens:ragdoll',
        ];
    }

}