/**
  * Method to get the field options.
  *
  * @return  array  The field option objects.
  *
  * @since   11.1
  */
 public function getOptions()
 {
     $hash = md5($this->element);
     if (!isset(static::$options[$hash])) {
         static::$options[$hash] = parent::getOptions();
         /** @noinspection PhpUndefinedClassInspection */
         $options = CatalogueHelper::getManufacturersOptions();
         static::$options[$hash] = array_merge(static::$options[$hash], $options);
     }
     return static::$options[$hash];
 }