class ChangedCommand

class ChangedCommand implements CommandInterface {
  
  /**
   * Constructs a ChangedCommand object.
   *
   * @param string $selector
   *   CSS selector for elements to be marked as changed.
   * @param string $asterisk
   *   CSS selector for elements to which an asterisk will be appended.
   */
  public function __construct(protected $selector, protected $asterisk = '') {
  }
  
  /**
   * Implements Drupal\Core\Ajax\CommandInterface:render().
   */
  public function render() {
    return [
      'command' => 'changed',
      'selector' => $this->selector,
      'asterisk' => $this->asterisk,
    ];
  }

}