code: func NewSchemeAndCodecs() (*runtime.Scheme, *serializer.CodecFactory, error) {
  	scheme := runtime.NewScheme()
  	if err := kubeletconfig.AddToScheme(scheme); err != nil {
  		return nil, nil, err
  	}
  	if err := kubeletconfigv1beta1.AddToScheme(scheme); err != nil {
  		return nil, nil, err
  	}
  	codecs := serializer.NewCodecFactory(scheme)
  	return scheme, &codecs, nil
  }
docs: // Utility functions for the Kubelet's kubeletconfig API group
  // NewSchemeAndCodecs is a utility function that returns a Scheme and CodecFactory
  // that understand the types in the kubeletconfig API group.