code: func NewSecureServingOptions() *genericoptions.SecureServingOptionsWithLoopback {
  	o := genericoptions.SecureServingOptions{
  		BindAddress: net.ParseIP("0.0.0.0"),
  		BindPort:    6443,
  		Required:    true,
  		ServerCert: genericoptions.GeneratableKeyCert{
  			PairName:      "apiserver",
  			CertDirectory: "/var/run/kubernetes",
  		},
  	}
  	return o.WithLoopback()
  }
docs: // NewSecureServingOptions gives default values for the kube-apiserver which are not the options wanted by
  // "normal" API servers running on the platform