code: func (c *cache) Set(id types.UID, status *PodStatus, err error, timestamp time.Time) {
  	c.lock.Lock()
  	defer c.lock.Unlock()
  	defer c.notify(id, timestamp)
  	c.pods[id] = &data{status: status, err: err, modified: timestamp}
  }
docs: // Set sets the PodStatus for the pod.