* @param s the literal string to be escaped
   * @param index the index to start escaping from
   * @return the escaped form of {@code string}
   * @throws NullPointerException if {@code string} is null
   */
  protected final String escapeSlow(String s, int index) {
    int slen = s.length();

    // Get a destination buffer and setup some loop variables.
    char[] dest = Platform.charBufferFromThreadLocal();
    int destSize = dest.length;

/**
 * Forwards execution events to EventSpies.
 * @since 3.0.2
 */
class EventSpyExecutionListener extends AbstractExecutionListener {

    private final EventSpyDispatcher dispatcher;

    private final ExecutionListener delegate;

    EventSpyExecutionListener(EventSpyDispatcher dispatcher, ExecutionListener delegate) {
        this.dispatcher = dispatcher;
        this.delegate = delegate;
    }

    //                                                                          Definition
    //                                                                          ==========
    private static final long serialVersionUID = 1L;
    protected static final Class<?> suppressUnusedImportLocalDateTime = LocalDateTime.class;

    // ===================================================================================

   * result of a <i>future</i> call to {@code next()}.
   */
  protected abstract @Nullable T computeNext(T previous);

  @Override
  public final boolean hasNext() {
    return nextOrNull != null;
  }

  @Override
  public final T next() {
    if (nextOrNull == null) {
      throw new NoSuchElementException();
    }
    T oldNext = nextOrNull;
    nextOrNull = computeNext(oldNext);

 *
 * @author Louis Wasserman
 */
@GwtCompatible
@SuppressWarnings("serial") // uses writeReplace, not default serialization
class RegularImmutableAsList<E> extends ImmutableAsList<E> {
  private final ImmutableCollection<E> delegate;
  private final ImmutableList<? extends E> delegateList;

  RegularImmutableAsList(ImmutableCollection<E> delegate, ImmutableList<? extends E> delegateList) {
    this.delegate = delegate;

import org.apache.maven.api.Constants;
import org.apache.maven.api.annotations.Nullable;

/**
 * Centralized class for Maven Core feature information.
 * Features configured are supposed to be final in a given maven session.
 *
 * @since 4.0.0
 */
public final class Features {

    private Features() {}

    /**
     * Check if the personality is "maven3".
     */

    @Test
    public void test_thread_safety() throws InterruptedException {
        // Test concurrent access to thread dump methods
        final AtomicInteger successCount = new AtomicInteger(0);
        final AtomicInteger errorCount = new AtomicInteger(0);
        final int threadCount = 10;
        final CountDownLatch latch = new CountDownLatch(threadCount);

        for (int i = 0; i < threadCount; i++) {
            new Thread(() -> {

import org.jspecify.annotations.NullUnmarked;

@GwtIncompatible
@J2ktIncompatible
@NullUnmarked
public class BigDecimalMathTest extends TestCase {
  private static final class RoundToDoubleTester {
    private final BigDecimal input;
    private final Map<RoundingMode, Double> expectedValues = new EnumMap<>(RoundingMode.class);
    private boolean unnecessaryShouldThrow = false;

    RoundToDoubleTester(BigDecimal input) {

        private static class DefaultVersionResolverRequest extends BaseRequest<Session>
                implements VersionRangeResolverRequest {
            private final ArtifactCoordinates artifactCoordinates;
            private final List<RemoteRepository> repositories;
            private final Nature nature;

            @SuppressWarnings("checkstyle:ParameterNumber")
            DefaultVersionResolverRequest(

        }

        private static class DefaultToolchainsBuilderRequest extends BaseRequest<ProtoSession>
                implements ToolchainsBuilderRequest {
            private final Source installationToolchainsSource;
            private final Source userToolchainsSource;

            @SuppressWarnings("checkstyle:ParameterNumber")
            DefaultToolchainsBuilderRequest(
                    @Nonnull ProtoSession session,