/** * Bubbles the bubbleable metadata to the current render context. * * @param \Drupal\Core\GeneratedUrl $generated_url * The generated URL whose bubbleable metadata to bubble. * @param array $options * (optional) The URL options. Defaults to none. */ protected function bubble(GeneratedUrl $generated_url, array $options = []) { // Bubbling metadata makes sense only if the code is executed inside a // render context. All code running outside controllers has no render // context by default, so URLs used there are not supposed to affect the // response cacheability. if ($this->renderer->hasRenderContext()) { $build = []; $generated_url->applyTo($build); $this->renderer->render($build); } }