private static function fetch_images_via_faster_image($urls_to_fetch, &$images)
{
if (!class_exists('Faster_Image_B52f1a8_Faster_Image')) {
require_once AMP__DIR__ . '/includes/lib/class-faster-image-b52f1a8-faster-image.php';
}
$user_agent = apply_filters('amp_extract_image_dimensions_get_user_agent', self::get_default_user_agent());
$client = new Faster_Image_B52f1a8_Faster_Image($user_agent);
$images = $client->batch(array_column($urls_to_fetch, 'url'));
}