runtime.NewBase64Serializer(nil, opts.StorageSerializer.UniversalDeserializer()),
	}
	if opts.DecoderDecoratorFn != nil {
		decoders = opts.DecoderDecoratorFn(decoders)
	}

	encodeVersioner := runtime.NewMultiGroupVersioner(
		opts.StorageVersion,
		schema.GroupKind{Group: opts.StorageVersion.Group},
		schema.GroupKind{Group: opts.MemoryVersion.Group},
	)

	// Ensure the storage receives the correct version.

	etcdOptions.StorageConfig.EncodeVersioner = runtime.NewMultiGroupVersioner(v1beta1.SchemeGroupVersion, schema.GroupKind{Group: v1beta1.GroupName})
	etcdOptions.SkipHealthEndpoints = true // avoid double wiring of health checks
	if err := etcdOptions.ApplyTo(&genericConfig); err != nil {