return null;
    }
    return entry.getValue();
  }

  @SuppressWarnings("unchecked")
  final Segment<K, V, E, S>[] newSegmentArray(int ssize) {
    return (Segment<K, V, E, S>[]) new Segment<?, ?, ?, ?>[ssize];
  }

  // Inner Classes

  /**
   * Segments are specialized versions of hash tables. This subclass inherits from ReentrantLock

        return byteCountToDisplaySize(BigInteger.valueOf(size));
    }

    private static String byteCountToDisplaySize(final BigInteger size) {
        Objects.requireNonNull(size, "size");
        final String displaySize;

        if (size.divide(ONE_EB_BI).compareTo(BigInteger.ZERO) > 0) {

  @CanIgnoreReturnValue
  @CheckForNull
  MoveDesc<E> removeAt(int index) {
    checkPositionIndex(index, size);
    modCount++;
    size--;
    if (size == index) {
      queue[size] = null;
      return null;
    }
    E actualLastElement = elementData(size);
    int lastElementAt = heapForIndex(size).swapWithConceptuallyLastElement(actualLastElement);
    if (lastElementAt == index) {

    public Integer crudMode;

    @Size(max = 100)
    public String hostname;

    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer port;

    @Size(max = 100)
    public String authRealm;

    @Size(max = 10)
    public String protocolScheme;

    @Required
    @Size(max = 100)
    public String username;

    @Size(max = 100)
    public String password;

    assertEquals(3, symmetricDifferenceFriendsFirst.size());
    assertEquals(4, immut.size());
    assertEquals(4, mut.size());

    immut = Sets.symmetricDifference(enemies, friends).immutableCopy();
    mut = Sets.symmetricDifference(enemies, friends).copyInto(new HashSet<String>());
    friends.add("Harry");
    assertEquals(2, symmetricDifferenceEnemiesFirst.size());
    assertEquals(3, immut.size());
    assertEquals(3, mut.size());
  }

  private final transient int mask;
  private final transient int size;

  RegularImmutableSet(
      @Nullable Object[] elements, int hashCode, @Nullable Object[] table, int mask, int size) {
    this.elements = elements;
    this.hashCode = hashCode;
    this.table = table;
    this.mask = mask;
    this.size = size;
  }

  @Override
  public boolean contains(@CheckForNull Object target) {

        if (initialCapacity > 0 && initialCapacity <= MAX_BUF_SIZE) {
            bufferSize = initialCapacity;
        } else {
            bufferSize = DEFAULT_BUF_SIZE;
        }
        char[] buf = new char[bufferSize];
        int size = 0;
        int len;
        try {
            while ((len = reader.read(buf, size, bufferSize - size)) != -1) {
                size += len;
                if (size == bufferSize) {

      }
    }
    return sb.append(']').toString();
  }

  /** Returns best-effort-sized StringBuilder based on the given collection size. */
  static StringBuilder newStringBuilderForCollection(int size) {
    checkNonnegative(size, "size");
    return new StringBuilder((int) Math.min(size * 8L, Ints.MAX_POWER_OF_TWO));
  }

  /**
   * Returns a {@link Collection} of all the permutations of the specified {@link Iterable}.

    public void test1() throws Exception {
        DisposableUtil.add(new TestDisposable("a"));
        assertThat(DisposableUtil.disposables.size(), is(1));
        DisposableUtil.dispose();
        assertThat(count, is(1));
        assertThat(names, is("a"));
        assertThat(DisposableUtil.disposables.size(), is(0));
    }

    /**
     * @throws Exception
     */
    @Test
    public void test2() throws Exception {

        assertEquals("maven-it-plugin-b", pom.getValue("build/plugins[2]/artifactId"));
        assertEquals(1, ((List<?>) pom.getValue("build/plugins[1]/executions")).size());
        assertEquals("maven-it-plugin-a", pom.getValue("reporting/plugins[1]/artifactId"));
        assertEquals(1, ((List<?>) pom.getValue("reporting/plugins[1]/reportSets")).size());