code: func (s *podStorage) Sync() {
  	s.updateLock.Lock()
  	defer s.updateLock.Unlock()
  	s.updates <- kubetypes.PodUpdate{Pods: s.MergedState().([]*v1.Pod), Op: kubetypes.SET, Source: kubetypes.AllSource}
  }
docs: // Sync sends a copy of the current state through the update channel.