public void testAdd_supportedNotPresent() {
    assertTrue("add(notPresent) should return true", collection.add(e3()));
    expectAdded(e3());
  }

  @CollectionFeature.Require(absent = SUPPORTS_ADD)
  public void testAdd_unsupportedNotPresent() {
    assertThrows(UnsupportedOperationException.class, () -> collection.add(e3()));
    expectUnchanged();
    expectMissing(e3());
  }

public class IndexedIteratorTest {

    /**
     * @throws Exception
     */
    @Test
    public void test() throws Exception {
        final List<String> list = newArrayList();
        list.add("aaa");
        list.add("bbb");
        list.add("ccc");

        final IndexedIterator<String> it = new IndexedIterator<String>(list.iterator());

        assertThat(it.hasNext(), is(true));

        List<ColumnInfo> ls = newArrayList();
        ls.add(columnAvailable());
        ls.add(columnCrawler());
        ls.add(columnCreatedBy());
        ls.add(columnCreatedTime());
        ls.add(columnCronExpression());
        ls.add(columnJobLogging());
        ls.add(columnName());
        ls.add(columnScriptData());
        ls.add(columnScriptType());
        ls.add(columnSortOrder());
        ls.add(columnTarget());

        ls.add(columnIntervalTime());
        ls.add(columnMaxAccessCount());
        ls.add(columnName());
        ls.add(columnNumOfThread());
        ls.add(columnPaths());
        ls.add(columnPermissions());
        ls.add(columnSortOrder());
        ls.add(columnTimeToLive());
        ls.add(columnUpdatedBy());
        ls.add(columnUpdatedTime());
        ls.add(columnVirtualHosts());
        return ls;
    }

   * @since 6.0 (source-compatible since 2.0)
   */
  public static <E> ImmutableMultiset<E> of(E e1, E e2, E e3, E e4, E e5, E e6, E... others) {
    return new Builder<E>().add(e1).add(e2).add(e3).add(e4).add(e5).add(e6).add(others).build();
  }

  /**
   * Returns an immutable multiset containing the given elements, in the "grouped iteration order"
   * described in the class documentation.
   *

     *
     * @param scope scope (main or test) of the directory to add
     * @param language language of the files contained in the directory to add
     * @param directory the directory to add if not already present in the source
     *
     * @see #getEnabledSourceRoots(ProjectScope, Language)
     *
     * @since 4.0.0
     */

        ls.add(columnIntervalTime());
        ls.add(columnMaxAccessCount());
        ls.add(columnName());
        ls.add(columnNumOfThread());
        ls.add(columnPermissions());
        ls.add(columnSortOrder());
        ls.add(columnTimeToLive());
        ls.add(columnUpdatedBy());
        ls.add(columnUpdatedTime());
        ls.add(columnUrls());
        ls.add(columnUserAgent());
        ls.add(columnVirtualHosts());

    }
  }

  private interface Adder {
    int add(int a, int b);
  }

  private static class ForwardingArithmetic implements Arithmetic {
    private final Arithmetic arithmetic;

    ForwardingArithmetic(Arithmetic arithmetic) {
      this.arithmetic = arithmetic;
    }

    @Override
    public int add(int a, int b) {
      return arithmetic.add(a, b);
    }

    @Override

 * <pre>
 * NormalizerChain chain = new NormalizerChain();
 * chain.add(new SomeNormalizer());
 * chain.add(new AnotherNormalizer());
 * String normalizedText = chain.normalize("input text", "field", "en");
 * </pre>
 *
 * <p>Methods:</p>
 * <ul>
 *   <li>{@link #normalize(String, String, String...)} - Applies all added normalizers to the input text.</li>
 *   <li>{@link #add(Normalizer)} - Adds a new normalizer to the chain.</li>
 * </ul>
 *

		// Coerce to well-formed UTF-8.
		default:
			d.scratch.add(c)
			if d.remaining() == 0 {
				return "", d.mkError(ErrSyntax, "in string literal")
			}
			c = d.next()
		}
	}

scan_esc:
	switch c {
	case '"', '\\', '/', '\'':
		d.scratch.add(c)
	case 'u':
		goto scan_u
	case 'b':
		d.scratch.add('\b')
	case 'f':
		d.scratch.add('\f')
	case 'n':
		d.scratch.add('\n')
	case 'r':