private final ImmutableIntArray parent;

    private AsList(ImmutableIntArray parent) {
      this.parent = parent;
    }

    // inherit: isEmpty, containsAll, toArray x2, {,list,spl}iterator, stream, forEach, mutations

    @Override
    public int size() {
      return parent.length();
    }

    @Override
    public Integer get(int index) {

    assertEquals("com", InternetDomainName.from("google.com").parent().toString());
    assertEquals("uk", InternetDomainName.from("co.uk").parent().toString());
    assertEquals("google.com", InternetDomainName.from("www.google.com").parent().toString());

    try {
      InternetDomainName.from("com").parent();
      fail("'com' should throw ISE on .parent() call");
    } catch (IllegalStateException expected) {
    }
  }

    private final ImmutableDoubleArray parent;

    private AsList(ImmutableDoubleArray parent) {
      this.parent = parent;
    }

    // inherit: isEmpty, containsAll, toArray x2, iterator, listIterator, mutations

    @Override
    public int size() {
      return parent.length();
    }

    @Override
    public Double get(int index) {
      return parent.get(index);
    }

    @Override

    File parent = file.getParentFile();
    File grandparent = parent.getParentFile();
    assertFalse(grandparent.exists());
    Files.createParentDirs(file);
    assertTrue(parent.exists());
  }

  public void testCreateParentDirs_nonDirectoryParentExists() throws IOException {
    File parent = getTestFile("ascii.txt");
    assertTrue(parent.isFile());

      Work and such Derivative Works in Source or Object form.

   3. Grant of Patent License. Subject to the terms and conditions of
      this License, each Contributor hereby grants to You a perpetual,
      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
      (except as stated in this section) patent license to make, have made,
      use, offer to sell, sell, import, and otherwise transfer the Work,

    assertEquals("com", InternetDomainName.from("google.com").parent().toString());
    assertEquals("uk", InternetDomainName.from("co.uk").parent().toString());
    assertEquals("google.com", InternetDomainName.from("www.google.com").parent().toString());

    try {
      InternetDomainName.from("com").parent();
      fail("'com' should throw ISE on .parent() call");
    } catch (IllegalStateException expected) {
    }
  }

    Path file = root().resolve("parent/nonexistent.file");
    Path parent = file.getParent();
    assertFalse(Files.exists(parent));
    assertThrows(IOException.class, () -> MoreFiles.createParentDirectories(file));
  }

  public void testCreateParentDirectories_nonDirectoryParentExists() throws IOException {
    Path parent = createTempFile();
    assertTrue(Files.isRegularFile(parent));
    Path file = parent.resolve("foo");

    File parent = file.getParentFile();
    File grandparent = parent.getParentFile();
    assertFalse(grandparent.exists());
    Files.createParentDirs(file);
    assertTrue(parent.exists());
  }

  public void testCreateParentDirs_nonDirectoryParentExists() throws IOException {
    File parent = getTestFile("ascii.txt");
    assertTrue(parent.isFile());

      // Bubble up max levels.
      E parent;
      // If toTrickle is moved up to a parent of removeIndex, the parent is
      // placed in removeIndex position. We must return that to the iterator so
      // that it knows to skip it.
      if (crossOver < removeIndex) {
        // We crossed over to the parent level in crossOver, so the parent
        // has already been moved.
        parent = elementData(removeIndex);
      } else {

 *
 * <ul>
 *   <li><a target="_parent"
 *       href="http://en.wikipedia.org/wiki/Bogon_filtering">http://en.wikipedia.
 *       org/wiki/Bogon_filtering</a>
 *   <li><a target="_parent"
 *       href="http://www.cymru.com/Bogons/ipv6.txt">http://www.cymru.com/Bogons/ ipv6.txt</a>
 *   <li><a target="_parent" href="http://www.cymru.com/Bogons/v6bogon.html">http://www.cymru.com/