@GwtCompatible
@SuppressWarnings("serial") // uses writeReplace(), not default serialization
final class RegularImmutableList<E> extends ImmutableList<E> {
  static final ImmutableList<Object> EMPTY = new RegularImmutableList<>(new Object[0], 0);

  // The first `size` elements are non-null.
  @VisibleForTesting final transient @Nullable Object[] array;
  private final transient int size;

  RegularImmutableList(@Nullable Object[] array, int size) {

 * @author Jesse Wilson
 * @author Austin Appleby
 */
@GwtCompatible
final class Hashing {
  private Hashing() {}

  /*
   * These should be ints, but we need to use longs to force GWT to do the multiplications with
   * enough precision.
   */
  private static final long C1 = 0xcc9e2d51;
  private static final long C2 = 0x1b873593;

  /*

 */
@NullUnmarked
public class IntMathBenchmark {
  private static final int[] exponent = new int[ARRAY_SIZE];
  private static final int[] factorial = new int[ARRAY_SIZE];
  private static final int[] binomial = new int[ARRAY_SIZE];
  private static final int[] positive = new int[ARRAY_SIZE];
  private static final int[] nonnegative = new int[ARRAY_SIZE];
  private static final int[] ints = new int[ARRAY_SIZE];

  @BeforeExperiment

     */
    Set<V> result = valueSet;
    return (result == null) ? valueSet = new ValueSet() : result;
  }

  @WeakOuter
  private final class ValueSet extends ForwardingSet<V> {
    final Set<V> valuesDelegate = inverse.keySet();

    @Override
    protected Set<V> delegate() {
      return valuesDelegate;
    }

    @Override
    public Iterator<V> iterator() {

 * @since 15.0
 */
@GwtCompatible
public final class CharEscaperBuilder {
  /**
   * Simple decorator that turns an array of replacement char[]s into a CharEscaper, this results in
   * a very fast escape method.
   */
  private static final class CharArrayDecorator extends CharEscaper {
    private final char[] @Nullable [] replacements;
    private final int replaceLength;

        // Create multiple threads accessing the same property
        final String testKey = "domain.title";
        final int threadCount = 10;
        final Thread[] threads = new Thread[threadCount];
        final String[] results = new String[threadCount];

        for (int i = 0; i < threadCount; i++) {
            final int index = i;
            threads[i] = new Thread(() -> {

   *
   * @since 10.0
   */
  public static final class SimpleStatsCounter implements StatsCounter {
    private final LongAddable hitCount = LongAddables.create();
    private final LongAddable missCount = LongAddables.create();
    private final LongAddable loadSuccessCount = LongAddables.create();
    private final LongAddable loadExceptionCount = LongAddables.create();
    private final LongAddable totalLoadTime = LongAddables.create();

@NullUnmarked
public class GraphsTest {
  private static final Integer N1 = 1;
  private static final Integer N2 = 2;
  private static final Integer N3 = 3;
  private static final Integer N4 = 4;
  private static final String E11 = "1-1";
  private static final String E11_A = "1-1a";
  private static final String E12 = "1-2";
  private static final String E12_A = "1-2a";
  private static final String E12_B = "1-2b";

    @Override
    public final boolean isDone() {
      return super.isDone();
    }

    @Override
    public final boolean isCancelled() {
      return super.isCancelled();
    }

    @Override
    public final void addListener(Runnable listener, Executor executor) {
      super.addListener(listener, executor);
    }

    @CanIgnoreReturnValue
    @Override

     * Default constructor.
     */
    public LtrQueryRescorer() {
        // Default constructor
    }

    @Override
    public RescorerBuilder<?> evaluate(final Map<String, Object> params) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String modelName = fessConfig.getLtrModelName();
        if (StringUtil.isBlank(modelName)) {
            return null;
        }