@NullUnmarked
public class IntMathTest extends TestCase {
  public void testMaxSignedPowerOfTwo() {
    assertTrue(IntMath.isPowerOfTwo(IntMath.MAX_SIGNED_POWER_OF_TWO));

    // Extra work required to make GWT happy.
    long value = IntMath.MAX_SIGNED_POWER_OF_TWO * 2L;
    assertFalse(IntMath.isPowerOfTwo((int) value));
  }

  public void testCeilingPowerOfTwo() {
    for (int x : POSITIVE_INTEGER_CANDIDATES) {

  }

  public void testAddAllPrimitiveLongStream() {
    StatsAccumulator accumulator = new StatsAccumulator();
    accumulator.addAll(megaPrimitiveDoubleStreamPart1().mapToLong(x -> (long) x));
    accumulator.addAll(megaPrimitiveDoubleStreamPart2().mapToLong(x -> (long) x));
    assertThat(accumulator.count()).isEqualTo(MEGA_STREAM_COUNT);
    assertThat(accumulator.mean()).isWithin(ALLOWED_ERROR * MEGA_STREAM_COUNT).of(MEGA_STREAM_MEAN);

 * This class provides pagination functionality for displaying and managing
 * request headers in the administration interface.
 */
public class ReqHeaderPager implements Serializable {

    private static final long serialVersionUID = 1L;

    /**
     * Default number of records to display per page.
     */
    public static final int DEFAULT_PAGE_SIZE = 20;

    /**
     * Default current page number for pagination.

  }

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

  @Override
  public String toString() {
    return delegate.toString();
  }

  private static final long serialVersionUID = 0L;

    Map<K, Collection<V>> map = new HashMap<>();
    setMap(map);
    Serialization.populateMultimap(this, stream, distinctKeys);
  }

  @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;

  /**
   * Sets the naming format to use when naming threads ({@link Thread#setName}) which are created
   * with this ThreadFactory.
   *
   * <p><b>Java 21+ users:</b> use {@link Thread.Builder#name(String, long)} instead. Note that
   * {@link #setNameFormat} accepts a thread name <i>format string</i> (e.g., {@code
   * threadFactoryBuilder.setNameFormat("rpc-pool-%d")}), while {@code threadBuilder.name()} accepts

     * @param dictId the dictionary ID
     * @param id the item ID
     * @return the protected words item if found
     */
    public OptionalEntity<ProtwordsItem> getProtwordsItem(final String dictId, final long id) {
        return getProtwordsFile(dictId).map(file -> file.get(id).get());
    }

    /**
     * Stores a protected words item (insert or update).
     * @param dictId the dictionary ID

  /** The body of this request, or null if it has none. This may be truncated. */
  public val body: ByteString?,
  /** The total size of the body of this request (before truncation).*/
  public val bodySize: Long,
  /**
   * The sizes of the chunks of this request's body, or null if the request's body was not encoded
   * with chunked encoding.
   */
  public val chunkSizes: List<Int>?,
  /**

    private final Multiset<?> member;

    MultisetHolder(Multiset<?> multiset) {
      this.member = multiset;
    }

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 1L;
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testSerializationIndirectSelfReference() {
    Multiset<MultisetHolder> multiset = HashMultiset.create();

     * @param currentTime the current timestamp
     * @return an optional WebAuthentication entity
     */
    public static OptionalEntity<WebAuthentication> getEntity(final CreateForm form, final String username, final long currentTime) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            return OptionalEntity.of(new WebAuthentication()).map(entity -> {
                entity.setCreatedBy(username);