hasLimit := pred.Limit > 0 && resourceVersion != "0"
	// Watch cache only supports ResourceVersionMatchNotOlderThan (default).
	unsupportedMatch := match != "" && match != metav1.ResourceVersionMatchNotOlderThan

	return consistentReadFromStorage || hasContinuation || hasLimit || unsupportedMatch
}

	if err != nil {
		return withRev, apierrors.NewBadRequest(fmt.Sprintf("invalid resource version: %v", err))
	}

	switch opts.ResourceVersionMatch {
	case metav1.ResourceVersionMatchNotOlderThan:
		// The not older than constraint is checked after we get a response from etcd,
		// and returnedRV is then set to the revision we get from the etcd response.
	case metav1.ResourceVersionMatchExact:

//
// See https://kubernetes.io/docs/reference/using-api/api-concepts/#resource-versions for
// details.
type ResourceVersionMatch string

const (
	// ResourceVersionMatchNotOlderThan matches data at least as new as the provided
	// resourceVersion.
	ResourceVersionMatchNotOlderThan ResourceVersionMatch = "NotOlderThan"
	// ResourceVersionMatchExact matches data at the exact resourceVersion
	// provided.