throw new AssertionError();
    }

    @Override
    public DummyInternalEntry getNext() {
      throw new AssertionError();
    }

    @Override
    public int getHash() {
      throw new AssertionError();
    }

    @Override
    public Object getKey() {
      throw new AssertionError();
    }

    @Override
    public Object getValue() {

    public String trimTrailingFrom(CharSequence sequence) {
      return sequence.toString();
    }

    @Override
    public int countIn(CharSequence sequence) {
      checkNotNull(sequence);
      return 0;
    }

    @Override
    public CharMatcher and(CharMatcher other) {
      checkNotNull(other);
      return this;
    }

    @Override

            new AsyncClosingCallable<TestCloseable>() {
              @Override
              public ClosingFuture<TestCloseable> call(DeferredCloser closer) {
                closer.eventuallyClose(closeable1, closingExecutor);
                return ClosingFuture.submit(
                    new ClosingCallable<TestCloseable>() {
                      @Override

      super(delegate, mutex);
    }

    @SuppressWarnings("unchecked")
    @Override
    Collection<E> delegate() {
      return (Collection<E>) super.delegate();
    }

    @Override
    public boolean add(E e) {
      synchronized (mutex) {
        return delegate().add(e);
      }
    }

    @Override
    public boolean addAll(Collection<? extends E> c) {
      synchronized (mutex) {

    }

    @Override
    public int size() {
      return 1 << inputSet.size();
    }

    @Override
    public boolean isEmpty() {
      return false;
    }

    @Override
    public Iterator<Set<E>> iterator() {
      return new AbstractIndexedListIterator<Set<E>>(size()) {
        @Override
        protected Set<E> get(final int setBits) {

   */
  private enum EmptyModifiableIterator implements Iterator<Object> {
    INSTANCE;

    @Override
    public boolean hasNext() {
      return false;
    }

    @Override
    public Object next() {
      throw new NoSuchElementException();
    }

    @Override
    public void remove() {
      checkRemove(false);
    }
  }

  /**

    }
}

private class ShortenCommandImpl(
    override val targetFile: SmartPsiElementPointer<KtFile>,
    override val importsToAdd: Set<FqName>,
    override val starImportsToAdd: Set<FqName>,
    override val listOfTypeToShortenInfo: List<TypeToShortenInfo>,
    override val listOfQualifierToShortenInfo: List<QualifierToShortenInfo>,
    override val thisLabelsToShorten: List<ThisLabelToShortenInfo>,

    public String trimTrailingFrom(CharSequence sequence) {
      return sequence.toString();
    }

    @Override
    public int countIn(CharSequence sequence) {
      checkNotNull(sequence);
      return 0;
    }

    @Override
    public CharMatcher and(CharMatcher other) {
      checkNotNull(other);
      return this;
    }

    @Override

            new AsyncClosingCallable<TestCloseable>() {
              @Override
              public ClosingFuture<TestCloseable> call(DeferredCloser closer) {
                closer.eventuallyClose(closeable1, closingExecutor);
                return ClosingFuture.submit(
                    new ClosingCallable<TestCloseable>() {
                      @Override

    }

    @Override
    Set<K> createKeySet() {
      return createMaybeNavigableKeySet();
    }

    @Override
    Map<K, Collection<V>> createAsMap() {
      return createMaybeNavigableAsMap();
    }

    @Override
    protected Collection<V> createCollection() {
      return factory.get();
    }

    @Override