Map<AccessorKey, ReplacedAccessor> keptAccessors = new HashMap<>(oldAccessorsOfUpgradedProperties);
        keptAccessors.entrySet().removeIf(e -> {
            if (seenUpgradedAccessorsChanges.contains(e.getKey())) {
                return true;
            }
            ReplacedAccessor accessor = e.getValue();
            return accessor.getBinaryCompatibility() == BinaryCompatibility.ACCESSORS_KEPT;
        });

            if (metadata instanceof VersionsMetadata) {
                it.remove();
                VersionsMetadata versionsMetadata = (VersionsMetadata) metadata;
                processedVersions.put(versionsMetadata.getKey(), versionsMetadata);
            }
        }
    }

    @Override
    public Collection<? extends Metadata> prepare(Collection<? extends Artifact> artifacts) {
        return Collections.emptyList();
    }

		tracker.Record(fmt.Sprintf("%v/%v", o.Event, krt.GetKey(o.Latest())))
	}
}

func BatchedTrackerHandler[T any](tracker *assert.Tracker[string]) func([]krt.Event[T], bool) {
	return func(o []krt.Event[T], initialSync bool) {
		tracker.Record(slices.Join(",", slices.Map(o, func(o krt.Event[T]) string {
			return fmt.Sprintf("%v/%v", o.Event, krt.GetKey(o.Latest()))
		})...))
	}

      ImmutableList.Builder<V> valuesBuilder = new ImmutableList.Builder<>(entries.size());
      for (int i = 0; i < entries.size(); i++) {
        Range<K> range = entries.get(i).getKey();
        if (i > 0) {
          Range<K> prevRange = entries.get(i - 1).getKey();
          if (range.isConnected(prevRange) && !range.intersection(prevRange).isEmpty()) {
            throw new IllegalArgumentException(

    public void remove() {
      checkRemove(lastReturned != null);
      MapMakerInternalMap.this.remove(lastReturned.getKey());
      lastReturned = null;
    }
  }

  final class KeyIterator extends HashIterator<K> {

    @Override
    public K next() {
      return nextEntry().getKey();
    }
  }

  final class ValueIterator extends HashIterator<V> {

    @Override

                    String previousValue = cachedProperties.getProperty(entry.getKey().toString());
                    String currentValue = entry.getValue().toString();
                    if (!currentValue.equals(previousValue)) {
                        LOGGER.debug("Invalidating {} as cache property {} has changed from {} to {}.", DefaultPersistentDirectoryCache.this, entry.getKey(), previousValue, currentValue);
                        return true;

	tt.WaitOrdered("add/ns/b")
	assert.Equal(t, slices.SortBy(ConfigMaps.List(), func(a *corev1.ConfigMap) string { return a.Name }), []*corev1.ConfigMap{cmA2, cmB})

	assert.Equal(t, ConfigMaps.GetKey("ns/b"), &cmB)
	assert.Equal(t, ConfigMaps.GetKey("ns/a"), &cmA2)

	tt2 := assert.NewTracker[string](t)
	ConfigMaps.Register(TrackerHandler[*corev1.ConfigMap](tt2))
	tt2.WaitUnordered("add/ns/a", "add/ns/b")

    boolean changed = false;
    while (entryIterator.hasNext()) {
      Entry<K, Collection<V>> entry = entryIterator.next();
      K key = entry.getKey();
      Collection<V> collection = filterCollection(entry.getValue(), new ValuePredicate(key));
      if (!collection.isEmpty()
          && predicate.apply(Maps.<K, Collection<V>>immutableEntry(key, collection))) {

      // requireNonNull is safe because the first `n` elements have been filled in.
      Entry<K, V> entry = requireNonNull(entryArray[entryIndex]);
      K key = entry.getKey();
      V value = entry.getValue();
      checkEntryNotNull(key, value);
      int tableIndex = Hashing.smear(key.hashCode()) & mask;
      ImmutableMapEntry<K, V> keyBucketHead = table[tableIndex];

	acmetav1 "k8s.io/client-go/applyconfigurations/meta/v1"
	"k8s.io/client-go/tools/cache"

	"istio.io/istio/pkg/kube/controllers"
	"istio.io/istio/pkg/ptr"
)

// GetKey returns the key for the provided object.
// If there is none, this will panic.
func GetKey[O any](a O) Key[O] {
	if k, ok := tryGetKey[O](a); ok {
		return k
	}

	// Kubernetes types are pointers, which means our types would be double pointers