code: func (daemon *Daemon) reloadShutdownTimeout(conf *config.Config, attributes map[string]string) {
  	// update corresponding configuration
  	if conf.IsValueSet("shutdown-timeout") {
  		daemon.configStore.ShutdownTimeout = conf.ShutdownTimeout
  		logrus.Debugf("Reset Shutdown Timeout: %d", daemon.configStore.ShutdownTimeout)
  	}
  
  	// prepare reload event attributes with updatable configurations
  	attributes["shutdown-timeout"] = fmt.Sprintf("%d", daemon.configStore.ShutdownTimeout)
  }
docs: // reloadShutdownTimeout updates configuration with daemon shutdown timeout option
  // and updates the passed attributes