configLock.RLock()
	defer configLock.RUnlock()

	if !c.Enable {
		return nil, nil
	}

	if c.Endpoint == "" {
		// Endpoint not set, make this a no-op
		return nil, nil
	}

	buf, err := r.MarshalMsg(nil)
	if err != nil {
		return nil, err
	}

	// We do not want Gets to take so much time, anything
	// beyond 250ms we should cut it, remote cache is too

	vTime := t.lastUpdateMs.Load()
	tNow := time.Now().UnixMilli()
	if v != nil && tNow-vTime < ttl.Milliseconds() {
		if v.e == nil {
			return v.v, nil
		}
		if v.e != nil && t.opts.CacheError || t.opts.ReturnLastGood {
			return v.v, v.e
		}
	}

	// Fetch new value.
	if t.opts.NoWait && v != nil && tNow-vTime < ttl.Milliseconds()*2 && (v.e == nil || t.opts.CacheError) {
		if t.updating.TryLock() {
			go func() {