abstract void forEachRemaining(Consumer<? super E> action);

    abstract boolean tryAdvance(Consumer<? super E> action);

    abstract @Nullable GeneralSpliterator<E> trySplit();

    final int characteristics() {
      return spliterator.characteristics();
    }

    final long estimateSize() {
      return spliterator.estimateSize();
    }

    final Comparator<? super E> getComparator() {

    @Override
    Builder<K, V> combine(ImmutableMultimap.Builder<K, V> other) {
      super.combine(other);
      return this;
    }

    /**
     * {@inheritDoc}
     *
     * @since 8.0
     */
    @CanIgnoreReturnValue
    @Override
    public Builder<K, V> orderKeysBy(Comparator<? super K> keyComparator) {
      super.orderKeysBy(keyComparator);
      return this;
    }

    /**

        super.visitClass(declaration)
    }

    override fun visitTypeAlias(declaration: IrTypeAlias) {
        register(declaration, consumer::declareTypeAliasIfNotExists)
        super.visitTypeAlias(declaration)
    }

    override fun visitScript(declaration: IrScript) {
        register(declaration, consumer::declareScript)
        super.visitScript(declaration)
    }

    @Override
    public Builder<K, V> orderKeysBy(Comparator<? super K> keyComparator) {
      super.orderKeysBy(keyComparator);
      return this;
    }

    /**
     * {@inheritDoc}
     *
     * @since 8.0
     */
    @CanIgnoreReturnValue
    @Override
    public Builder<K, V> orderValuesBy(Comparator<? super V> valueComparator) {
      super.orderValuesBy(valueComparator);
      return this;
    }

  @Beta // TODO: b/288085449 - Remove.
  public static <E> Collector<E, ?, ImmutableSortedSet<E>> toImmutableSortedSet(
      Comparator<? super E> comparator) {
    return CollectCollectors.toImmutableSortedSet(comparator);
  }

  static <E> RegularImmutableSortedSet<E> emptySet(Comparator<? super E> comparator) {
    if (Ordering.natural().equals(comparator)) {

  final Predicate<? super Entry<K, V>> predicate;

  FilteredEntryMultimap(Multimap<K, V> unfiltered, Predicate<? super Entry<K, V>> predicate) {
    this.unfiltered = checkNotNull(unfiltered);
    this.predicate = checkNotNull(predicate);
  }

  @Override
  public Multimap<K, V> unfiltered() {
    return unfiltered;
  }

  @Override
  public Predicate<? super Entry<K, V>> entryPredicate() {

    @CanIgnoreReturnValue
    @Override
    public Builder<K, V> orderEntriesByValue(Comparator<? super V> valueComparator) {
      super.orderEntriesByValue(valueComparator);
      return this;
    }

    @Override
    @CanIgnoreReturnValue
    Builder<K, V> combine(ImmutableMap.Builder<K, V> builder) {
      super.combine(builder);
      return this;
    }

    /**

  public static <T extends @Nullable Object, R, C, V>
      Collector<T, ?, ImmutableTable<R, C, V>> toImmutableTable(
          Function<? super T, ? extends R> rowFunction,
          Function<? super T, ? extends C> columnFunction,
          Function<? super T, ? extends V> valueFunction) {
    return TableCollectors.toImmutableTable(rowFunction, columnFunction, valueFunction);
  }

  /**

  public static <T extends @Nullable Object, E>
      Collector<T, ?, ImmutableSortedMultiset<E>> toImmutableSortedMultiset(
          Comparator<? super E> comparator,
          Function<? super T, ? extends E> elementFunction,
          ToIntFunction<? super T> countFunction) {
    checkNotNull(comparator);
    checkNotNull(elementFunction);
    checkNotNull(countFunction);
    return Collector.of(

                processFunctionCall(functionCall)
                super.visitFunctionCall(functionCall)
            }

            override fun visitImplicitInvokeCall(implicitInvokeCall: FirImplicitInvokeCall) {
                processImplicitFunctionCall(implicitInvokeCall)
                super.visitImplicitInvokeCall(implicitInvokeCall)
            }