/**
  * Return the size label.
  *
  * @return null|string
  */
 public function sizeLabel()
 {
     if (!in_array($this->object->getExtension(), config('anomaly.module.files::mimes.thumbnails'))) {
         return null;
     }
     return $this->label($this->object->getWidth() . ' x ' . $this->object->getHeight(), 'info');
 }