final class DuplicateFinder {
private final Map<NormalizedNode, DuplicateEntry> identities = new IdentityHashMap<>();
private final Map<NormalizedNode, DuplicateEntry> duplicates = new HashMap<>();
final class DuplicateFinder {
private final Map<NormalizedNode, DuplicateEntry> identities = new IdentityHashMap<>();
private final Map<NormalizedNode, DuplicateEntry> duplicates = new HashMap<>();