code: func (d *CachingDockerConfigProvider) Provide(image string) DockerConfig {
  	d.mu.Lock()
  	defer d.mu.Unlock()
  
  	// If the cache hasn't expired, return our cache
  	if time.Now().Before(d.expiration) {
  		return d.cacheDockerConfig
  	}
  
  	klog.V(2).Infof("Refreshing cache for provider: %v", reflect.TypeOf(d.Provider).String())
  	d.cacheDockerConfig = d.Provider.Provide(image)
  	d.expiration = time.Now().Add(d.Lifetime)
  	return d.cacheDockerConfig
  }
docs: // Provide implements dockerConfigProvider