return descendingMap().navigableKeySet();
  }

  /**
   * A sensible definition of {@link #subMap(Object, Object)} in terms of {@link #subMap(Object,
   * boolean, Object, boolean)}. If you override {@code subMap(K, boolean, K, boolean)}, you may
   * wish to override {@code subMap} to forward to this implementation.
   */
  @Override
  protected SortedMap<K, V> standardSubMap(

  fun cacheControl() {
    val cacheControl: CacheControl = CacheControl.Builder().build()
    val noCache: Boolean = cacheControl.noCache()
    val noStore: Boolean = cacheControl.noStore()
    val maxAgeSeconds: Int = cacheControl.maxAgeSeconds()
    val sMaxAgeSeconds: Int = cacheControl.sMaxAgeSeconds()
    val mustRevalidate: Boolean = cacheControl.mustRevalidate()
    val maxStaleSeconds: Int = cacheControl.maxStaleSeconds()

     * @return true if the OS matches
     *
     */
    public static boolean isFamily(String family, String actualOsName) {
        // windows probing logic relies on the word 'windows' in the OS
        boolean isWindows = actualOsName.contains(FAMILY_WINDOWS);
        boolean is9x = false;
        boolean isNT = false;
        if (isWindows) {
            // there are only four 9x platforms that we look for

  }

  @Override
  public boolean equals(@Nullable Object obj) {
    return delegateList().equals(obj);
  }

  @Override
  public int hashCode() {
    return delegateList().hashCode();
  }

  @Override
  public UnmodifiableIterator<E> iterator() {
    return Iterators.unmodifiableIterator(delegateList().iterator());
  }

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

    FutureTask<Boolean> interruptReporter = untimedInterruptReporter(future, false);

    runNInterruptsTest(times, future, interruptReporter);
  }

  private static void runTimedInterruptsTest(int times)
      throws InterruptedException, ExecutionException, TimeoutException {
    SettableFuture<String> future = SettableFuture.create();
    FutureTask<Boolean> interruptReporter = timedInterruptReporter(future);

  }

  @Override
  ContiguousSet<C> headSetImpl(C toElement, boolean inclusive) {
    return intersectionInCurrentDomain(Range.upTo(toElement, BoundType.forBoolean(inclusive)));
  }

  @Override
  @SuppressWarnings("unchecked") // TODO(cpovirk): Use a shared unsafeCompare method.
  ContiguousSet<C> subSetImpl(
      C fromElement, boolean fromInclusive, C toElement, boolean toInclusive) {

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

    @Override
    public void error(String format, Object arg) {}

    @Override
    public void error(String format, Object arg1, Object arg2) {}

    @Override
    public void error(String format, Object... arguments) {}

    @Override
    public boolean isErrorEnabled(Marker marker) {

        // Prepare test data
        byte[] buffer = new byte[22];
        long expectedAllocationSize = 1024L;
        long expectedEndOfFile = 512L;
        int expectedNumberOfLinks = 3;
        boolean expectedDeletePending = true;
        boolean expectedDirectory = false;

        // Encode test data
        int offset = 0;
        SMBUtil.writeInt8(expectedAllocationSize, buffer, offset);
        offset += 8;

        throws IOException {
        try (TarArchiveInputStream tar = new TarArchiveInputStream(wrapper.apply(new FileInputStream(getOutputFile(extension))))) {
            TarArchiveEntry entry = tar.getNextTarEntry();
            boolean realFolderEntry = false;
            boolean fileEntry = false;
            boolean linkToFileEntry = false;

            trail = ids;
        }
        return trail;
    }

    public boolean isResolved() {
        return children != null;
    }

    /**
     * Test whether the node is direct or transitive dependency.
     *
     * @return whether the node is direct or transitive dependency
     */
    public boolean isChildOfRootNode() {
        return parent != null && parent.parent == null;
    }