/**
  * Get a setting.
  *
  * @param $key
  * @return null|SettingInterface
  */
 public function get($key)
 {
     return $this->settings->get($key);
 }
 /**
  * Get a setting.
  *
  * @param      $key
  * @param null $default
  * @return null|SettingInterface|SettingModel
  */
 public function get($key, $default = null)
 {
     $setting = $this->settings->get($key);
     return $setting ? $setting : $default;
 }