* loaded.
     *
     * <p>But note that this class uses heuristics to identify the simple name. See a related
     * discussion in <a href="https://github.com/google/guava/issues/3349">issue 3349</a>.
     */
    public String getSimpleName() {
      int lastDollarSign = className.lastIndexOf('$');
      if (lastDollarSign != -1) {
        String innerClassName = className.substring(lastDollarSign + 1);

import java.util.function.Supplier;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Tester for {@code Spliterator} implementations.
 *
 * @since 33.4.0 (but since 21.0 in the JRE flavor)
 */
@GwtCompatible
@NullMarked
@IgnoreJRERequirement // Users will use this only if they're already using Spliterator.
public final class SpliteratorTester<E extends @Nullable Object> {

import java.util.function.Supplier;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Tester for {@code Spliterator} implementations.
 *
 * @since 21.0 (but only since 33.4.0 in the Android flavor)
 */
@GwtCompatible
@NullMarked
public final class SpliteratorTester<E extends @Nullable Object> {
  /** Return type from "contains the following elements" assertions. */
  public interface Ordered {

        Thread.currentThread().interrupt();
      }
    }
  }

  /**
   * Invokes {@code latch.}{@link CountDownLatch#await(long, TimeUnit) await(timeout, unit)}
   * uninterruptibly.
   *
   * @since 33.4.0 (but since 28.0 in the JRE flavor)
   */
  @J2ktIncompatible
  @GwtIncompatible // concurrency
  @IgnoreJRERequirement // Users will use this only if they're already using Duration.

   * writeLines(lines, System.getProperty("line.separator"))}.
   *
   * @throws IOException if an I/O error occurs while writing to this sink
   * @since 33.4.0 (but since 22.0 in the JRE flavor)
   */
  @IgnoreJRERequirement // Users will use this only if they're already using Stream.
  public void writeLines(Stream<? extends CharSequence> lines) throws IOException {

  }

  /**
   * Returns the equivalent {@code com.google.common.base.Optional} value to the given {@code
   * java.util.Optional}, or {@code null} if the argument is null.
   *
   * @since 33.4.0 (but since 21.0 in the JRE flavor)
   */
  @SuppressWarnings("NullableOptional") // Null passthrough is reasonable for type conversions
  @IgnoreJRERequirement // Users will use this only if they're already using Optional.

import java.util.stream.Stream;
import java.util.stream.StreamSupport;
import org.jspecify.annotations.Nullable;

/**
 * Static utility methods related to {@code Stream} instances.
 *
 * @since 33.4.0 (but since 21.0 in the JRE flavor)
 */
@GwtCompatible
/*
 * Users will use most of these methods only if they're already using Stream. For a few other

    }
    return builder().addAll(values).build();
  }

  /**
   * Returns an immutable array containing all the values from {@code stream}, in order.
   *
   * @since 33.4.0 (but since 22.0 in the JRE flavor)
   */
  @IgnoreJRERequirement // Users will use this only if they're already using streams.
  public static ImmutableLongArray copyOf(LongStream stream) {

   * than all other values, and orders the rest using {@code valueComparator} on the contained
   * value.
   *
   * @since 22.0 (but only since 33.4.0 in the Android flavor)
   */
  public static <T> Comparator<Optional<T>> emptiesFirst(Comparator<? super T> valueComparator) {
    checkNotNull(valueComparator);
    return Comparator.<Optional<T>, @Nullable T>comparing(

  }

  /**
   * Creates a new {@linkplain Guard guard} for this monitor.
   *
   * @param isSatisfied the new guard's boolean condition (see {@link Guard#isSatisfied
   *     isSatisfied()})
   * @since 33.4.0 (but since 21.0 in the JRE flavor)
   */
  // We have to rely on users not to call this, as NewApi won't flag BooleanSupplier creation.
  @IgnoreJRERequirement
  public Guard newGuard(BooleanSupplier isSatisfied) {