code: func ValidateKubeletServer(s *KubeletServer) error {
  	// please add any KubeletConfiguration validation to the kubeletconfigvalidation.ValidateKubeletConfiguration function
  	if err := kubeletconfigvalidation.ValidateKubeletConfiguration(&s.KubeletConfiguration); err != nil {
  		return err
  	}
  	if err := ValidateKubeletFlags(&s.KubeletFlags); err != nil {
  		return err
  	}
  	return nil
  }
docs: // ValidateKubeletServer validates configuration of KubeletServer and returns an error if the input configuration is invalid.