interface AttachmentsResponseProcessorInterface

interface AttachmentsResponseProcessorInterface {
    
    /**
     * Processes the attachments of a response that has attachments.
     *
     * Placeholders need to be rendered first in order to have all attachments
     * available for processing. For an example, see
     * \Drupal\Core\Render\HtmlResponseAttachmentsProcessor::renderPlaceholders()
     *
     * @param \Drupal\Core\Render\AttachmentsInterface $response
     *   The response to process.
     *
     * @return \Drupal\Core\Render\AttachmentsInterface
     *   The processed response, with the attachments updated to reflect their
     *   final values.
     *
     * @throws \InvalidArgumentException
     *   Thrown when the $response parameter is not the type of response object
     *   the processor expects.
     *
     * @see \Drupal\Core\Render\AttachmentsInterface
     */
    public function processAttachments(AttachmentsInterface $response);

}