stopCh := make(chan struct{})
	obj := config.NewFunc()
	// Give this error when it is constructed rather than when you get the
	// first watch item, because it's much easier to track down that way.
	if err := runtime.CheckCodec(config.Codec, obj); err != nil {
		return nil, fmt.Errorf("storage codec doesn't seem to match given type: %v", err)
	}

	var indexedTrigger *indexedTriggerFunc
	if config.IndexerFuncs != nil {