// other controller is allowed to work on at the same time.
	var changedObjects object.K8sObjects
	var changedObjectKeys []string
	allObjectsMap := make(map[string]bool)

	// Check which objects in the manifest have changed from those in the cache.
	for _, obj := range allObjects {
		oh := obj.Hash()
		allObjectsMap[oh] = true
		if co, ok := objectCache.Cache[oh]; ok && obj.Equal(co) {
			// Object is in the cache and unchanged.