code: func NewCustomResourceDefinitionsServerOptions(out, errOut io.Writer) *CustomResourceDefinitionsServerOptions {
  	o := &CustomResourceDefinitionsServerOptions{
  		RecommendedOptions: genericoptions.NewRecommendedOptions(
  			defaultEtcdPathPrefix,
  			apiserver.Codecs.LegacyCodec(v1beta1.SchemeGroupVersion),
  			genericoptions.NewProcessInfo("apiextensions-apiserver", "kube-system"),
  		),
  		APIEnablement: genericoptions.NewAPIEnablementOptions(),
  
  		StdOut: out,
  		StdErr: errOut,
  	}
  
  	return o
  }
docs: // NewCustomResourceDefinitionsServerOptions creates default options of an apiextensions-apiserver.