code: func NewSourceApiserver(c clientset.Interface, nodeName types.NodeName, updates chan<- interface{}) {
  	lw := cache.NewListWatchFromClient(c.CoreV1().RESTClient(), "pods", metav1.NamespaceAll, fields.OneTermEqualSelector(api.PodHostField, string(nodeName)))
  	newSourceApiserverFromLW(lw, updates)
  }
docs: // NewSourceApiserver creates a config source that watches and pulls from the apiserver.