class ArgumentDefaultTest

class ArgumentDefaultTest extends ArgumentDefaultPluginBase {
    
    /**
     * {@inheritdoc}
     */
    protected function defineOptions() {
        $options = parent::defineOptions();
        $options['value'] = [
            'default' => '',
        ];
        return $options;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getArgument() {
        $this->view->element['#cache']['tags'][] = 'example_tag';
        return $this->options['value'];
    }
    
    /**
     * {@inheritdoc}
     */
    public function calculateDependencies() {
        return [
            'content' => [
                'ArgumentDefaultTest',
            ],
        ];
    }

}