}

  @Override
  @ParametricNullness
  public E get(int index) {
    return delegate().get(index);
  }

  @Override
  public int indexOf(@Nullable Object element) {
    return delegate().indexOf(element);
  }

  @Override
  public int lastIndexOf(@Nullable Object element) {
    return delegate().lastIndexOf(element);
  }

  @Override
  public ListIterator<E> listIterator() {

@GwtCompatible
public abstract class FluentFuture<V extends @Nullable Object>
    extends GwtFluentFutureCatchingSpecialization<V> {

  /**
   * A less abstract subclass of AbstractFuture. This can be used to optimize setFuture by ensuring
   * that {@link #get} calls exactly the implementation of {@link AbstractFuture#get}.
   */
  abstract static class TrustedFuture<V extends @Nullable Object> extends FluentFuture<V>

   */
  <T extends @NonNull B> @Nullable T getInstance(Class<T> type);

  /**
   * Returns the value the specified type is mapped to, or {@code null} if no entry for this type is
   * present. This will only return a value that was bound to this specific type, not a value that
   * may have been bound to a subtype.
   */
  <T extends @NonNull B> @Nullable T getInstance(TypeToken<T> type);

  /**

   */
  <T extends @NonNull B> @Nullable T getInstance(Class<T> type);

  /**
   * Returns the value the specified type is mapped to, or {@code null} if no entry for this type is
   * present. This will only return a value that was bound to this specific type, not a value that
   * may have been bound to a subtype.
   */
  <T extends @NonNull B> @Nullable T getInstance(TypeToken<T> type);

  /**

    private @Nullable Set<@Nullable N> visitedNodes;

    private Undirected(BaseGraph<N> graph) {
      super(graph);
      this.visitedNodes = Sets.newHashSetWithExpectedSize(graph.nodes().size() + 1);
    }

    @Override
    protected @Nullable EndpointPair<N> computeNext() {
      while (true) {
        /*

 * @since 2.0
 */
@GwtCompatible
public abstract class ForwardingMultiset<E extends @Nullable Object> extends ForwardingCollection<E>
    implements Multiset<E> {

  /** Constructor for use by subclasses. */
  protected ForwardingMultiset() {}

  @Override
  protected abstract Multiset<E> delegate();

  @Override
  public int count(@Nullable Object element) {
    return delegate().count(element);
  }

    return CollectionTestSuiteBuilder.using(
            new TestStringCollectionGenerator() {
              @Override
              public Collection<@Nullable String> create(@Nullable String[] elements) {
                List<@Nullable String> list = new ArrayList<>();
                for (String element : elements) {
                  list.add((element == null) ? null : "q" + element);
                }

import java.net.URL;
import java.net.URLClassLoader;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;
import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/**
 * Unit test for {@link FinalizableReferenceQueue}.
 *
 * @author Bob Lee
 */

import java.net.URL;
import java.net.URLClassLoader;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;
import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/**
 * Unit test for {@link FinalizableReferenceQueue}.
 *
 * @author Bob Lee
 */

 * limitations under the License.
 */

package com.google.common.collect.testing;

import com.google.common.annotations.GwtCompatible;
import org.jspecify.annotations.Nullable;

/**
 * An unhashable object to be used in testing as values in our collections.
 *
 * @author Regina O'Dell
 */
@GwtCompatible
public class UnhashableObject implements Comparable<UnhashableObject> {