/**
 * Helper method to register new file with Extension Asset(s) info
 *
 * @param   string  $name  A full extension name, actually a name in the /media folder, eg: com_example, plg_system_example etc.
 *
 * @return  self
 *
 * @since  4.0.0
 */
public function addExtensionRegistryFile(string $name) : self
{
    $this->addRegistryFile('media/' . $name . '/joomla.asset.json');
    return $this;
}