code: func (c *cache) Get(id types.UID) (*PodStatus, error) {
  	c.lock.RLock()
  	defer c.lock.RUnlock()
  	d := c.get(id)
  	return d.status, d.err
  }
docs: // Get returns the PodStatus for the pod; callers are expected not to
  // modify the objects returned.