code: func (pbm *PodBackoffMap) BackoffPod(nsPod ktypes.NamespacedName) {
  	pbm.lock.Lock()
  	pbm.podLastUpdateTime[nsPod] = time.Now()
  	pbm.podAttempts[nsPod]++
  	pbm.lock.Unlock()
  }
docs: // BackoffPod updates the lastUpdateTime for an nsPod,
  // and increases its numberOfAttempts by 1