Iterators.clear(iterator());
  }

  /**
   * A sensible definition of {@link #isEmpty} as {@code !iterator().hasNext}. If you override
   * {@link #isEmpty}, you may wish to override {@link #isEmpty} to forward to this implementation.
   * Alternately, it may be more efficient to implement {@code isEmpty} as {@code size() == 0}.
   *
   * @since 7.0
   */
  protected boolean standardIsEmpty() {

    Iterators.clear(iterator());
  }

  /**
   * A sensible definition of {@link #isEmpty} as {@code !iterator().hasNext}. If you override
   * {@link #isEmpty}, you may wish to override {@link #isEmpty} to forward to this implementation.
   * Alternately, it may be more efficient to implement {@code isEmpty} as {@code size() == 0}.
   *
   * @since 7.0
   */
  protected boolean standardIsEmpty() {

                && profile.getDistributionManagement() == null
                && profile.getModules().isEmpty()
                && profile.getSubprojects().isEmpty()
                && profile.getProperties().isEmpty()
                && profile.getRepositories().isEmpty()
                && profile.getPluginRepositories().isEmpty()
                && profile.getReporting() == null;
    }

     */
    public static final boolean isEmpty(final String text) {
        return text == null || text.length() == 0;
    }

    /**
     * Checks if the string is not empty.
     *
     * @param text the string to check
     * @return true if not empty, false otherwise
     */
    public static final boolean isNotEmpty(final String text) {
        return !isEmpty(text);
    }

    /**

    }
    assertEquals(expectedSize, size2);
  }

  @CollectionSize.Require(ZERO)
  public void testIsEmptyYes() {
    assertTrue(multimap().isEmpty());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testIsEmptyNo() {
    assertFalse(multimap().isEmpty());
  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require(ALLOWS_NULL_KEYS)
  public void testSizeNullKey() {

    for (Range<Integer> range1 : RANGES) {
      for (Range<Integer> range2 : RANGES) {
        boolean expectRejection =
            range1.isConnected(range2) && !range1.intersection(range2).isEmpty();
        ImmutableRangeMap.Builder<Integer, Integer> builder = ImmutableRangeMap.builder();
        builder.put(range1, 1).put(range2, 2);
        try {
          ImmutableRangeMap<Integer, Integer> unused = builder.build();

	// var _ io.StringWriter = rb
	var _ io.ByteReader = rb
	var _ io.ByteWriter = rb
}

func TestRingBuffer_Write(t *testing.T) {
	rb := New(64)

	// check empty or full
	if !rb.IsEmpty() {
		t.Fatalf("expect IsEmpty is true but got false")
	}
	if rb.IsFull() {
		t.Fatalf("expect IsFull is false but got true")
	}
	if rb.Length() != 0 {

        FileTree xpackFileTree = null;
        if (includeXpack.get().isEmpty() == false) {
            xpackPatternSet.setIncludes(includeXpack.get().stream().map(prefix -> prefix + "*/**").collect(Collectors.toList()));
            xpackFileTree = xpackConfigToFileTree.apply(xpackConfig).matching(xpackPatternSet);
        }
        if (includeCore.get().isEmpty() == false) {

  @Override
  protected abstract Map<K, V> delegate();

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

  @Override
  public boolean isEmpty() {
    return delegate().isEmpty();
  }

  @CanIgnoreReturnValue
  @Override
  public @Nullable V remove(@Nullable Object key) {
    return delegate().remove(key);
  }

  @Override
  public void clear() {

)

// ReaderArgs - represents elements inside <InputSerialization><JSON/> in request XML.
type ReaderArgs struct {
	ContentType string `xml:"Type"`
	unmarshaled bool
}

// IsEmpty - returns whether reader args is empty or not.
func (args *ReaderArgs) IsEmpty() bool {
	return !args.unmarshaled
}

// UnmarshalXML - decodes XML data.
func (args *ReaderArgs) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {