code: func (u *UnschedulablePodsMap) get(pod *v1.Pod) *podInfo {
  	podKey := u.keyFunc(pod)
  	if pInfo, exists := u.podInfoMap[podKey]; exists {
  		return pInfo
  	}
  	return nil
  }
docs: // Get returns the podInfo if a pod with the same key as the key of the given "pod"
  // is found in the map. It returns nil otherwise.