// itself. This fake manager does this to track calls.
	mirrorPods   sets.Set[string]
	createCounts map[string]int
	deleteCounts map[string]int
}

func NewFakeMirrorClient() *FakeMirrorClient {
	m := FakeMirrorClient{}
	m.mirrorPods = sets.New[string]()
	m.createCounts = make(map[string]int)
	m.deleteCounts = make(map[string]int)
	return &m
}

        @Override
        FileCollectionInternal createDelegate() {
            createCount++
            TestFiles.fixed(new File("foo"))
        }
    }

    def "creates delegate on first access"() {
        expect:
        createCount == 0

        when:
        def files = fileCollection.files

        then:
        createCount == 1
        files == [new File("foo")] as Set

        when:

	errCh := make(chan error, createDiff+deleteDiff)

	logger.V(4).Info("Nodes needing daemon pods for daemon set, creating", "daemonset", klog.KObj(ds), "needCount", nodesNeedingDaemonPods, "createCount", createDiff)
	createWait := sync.WaitGroup{}
	// If the returned error is not nil we have a parse error.
	// The controller handles this via the hash.
	generation, err := util.GetTemplateGeneration(ds)