private val backingLeft: KaContractBooleanExpression,
    private val backingRight: KaContractBooleanExpression,
    private val backingOperation: KaLogicOperation
) : KaContractBooleanExpression {
    init {
        check(left.token === right.token) { "$left and $right should have the same lifetime token" }
    }

    override val token: KaLifetimeToken get() = backingLeft.token

        DomainObjectSet<PublishArtifact> backingSet,
        FileCollectionFactory fileCollectionFactory,
        TaskDependencyFactory taskDependencyFactory
    ) {
        this(Describables.of(displayName), backingSet, fileCollectionFactory, taskDependencyFactory);
    }

    public DefaultPublishArtifactSet(
        Describable displayName,
        DomainObjectSet<PublishArtifact> backingSet,

  static class StandardImplForwardingNavigableSet<T> extends ForwardingNavigableSet<T> {
    private final NavigableSet<T> backingSet;

    StandardImplForwardingNavigableSet(NavigableSet<T> backingSet) {
      this.backingSet = backingSet;
    }

    @Override
    protected NavigableSet<T> delegate() {
      return backingSet;
    }

    @Override
    public boolean equals(@Nullable Object object) {

    private final Action<? super ModuleDependency> mutationValidator;

    public DefaultDependencySet(Describable displayName, final ConfigurationInternal clientConfiguration, DomainObjectSet<Dependency> backingSet) {
        super(backingSet);
        this.displayName = displayName;
        this.clientConfiguration = clientConfiguration;
        this.mutationValidator = toMutationValidator(clientConfiguration);
    }

    private final ConfigurationInternal clientConfiguration;

    public DefaultDependencyConstraintSet(Describable displayName, ConfigurationInternal clientConfiguration, DomainObjectSet<DependencyConstraint> backingSet) {
        super(backingSet);
        this.displayName = displayName;
        this.clientConfiguration = clientConfiguration;
    }

    @Override
    public String toString() {
        return displayName.getDisplayName();

@SuppressWarnings("serial")
@ElementTypesAreNonnullByDefault
final class ImmutableSortedAsList<E> extends RegularImmutableAsList<E>
    implements SortedIterable<E> {
  ImmutableSortedAsList(ImmutableSortedSet<E> backingSet, ImmutableList<E> backingList) {
    super(backingSet, backingList);
  }

  @Override
  ImmutableSortedSet<E> delegateCollection() {
    return (ImmutableSortedSet<E>) super.delegateCollection();
  }

  @Override

 */
public class DelegatingNamedDomainObjectSet<T> extends DelegatingDomainObjectSet<T> implements NamedDomainObjectSet<T> {

    public DelegatingNamedDomainObjectSet(NamedDomainObjectSet<T> backingSet) {
        super(backingSet);
    }

    @Override
    protected NamedDomainObjectSet<T> getDelegate() {
        return (NamedDomainObjectSet<T>) super.getDelegate();
    }

    @Override

    }

    @Override
    SortedSet<K> backingSet() {
      return (SortedSet<K>) super.backingSet();
    }

    @Override
    @CheckForNull
    public Comparator<? super K> comparator() {
      return backingSet().comparator();
    }

    @Override
    public Set<K> keySet() {
      return removeOnlySortedSet(backingSet());
    }

    @Override

    }

    @Override
    SortedSet<K> backingSet() {
      return (SortedSet<K>) super.backingSet();
    }

    @Override
    @CheckForNull
    public Comparator<? super K> comparator() {
      return backingSet().comparator();
    }

    @Override
    public Set<K> keySet() {
      return removeOnlySortedSet(backingSet());
    }

    @Override