code: public function get(...$names)
      {
          if (count($names) === 1 && is_array($names[0])) {
              $names = $names[0];
          }
          if (count($names) >= 1) {
              $setting = $this->getConfig();
              foreach ($names as $name) {
                  $setting = $setting->get($name);
              }
              return $setting;
          } else {
              throw new InvalidArgumentException();
          }
      }
docs: Retrieve a value and return $default if there is no element set.
  
  @param array ...$name
  @return mixed