/**
 * Creates collections, containing sample elements, to be tested.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface TestCollectionGenerator<E extends @Nullable Object>

/**
 * Creates collections, containing sample elements, to be tested.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface TestCollectionGenerator<E extends @Nullable Object>

@GwtIncompatible
public class ReserializingTestCollectionGenerator<E> implements TestCollectionGenerator<E> {
  private final TestCollectionGenerator<E> delegate;

  ReserializingTestCollectionGenerator(TestCollectionGenerator<E> delegate) {
    this.delegate = delegate;
  }

  public static <E> ReserializingTestCollectionGenerator<E> newInstance(
      TestCollectionGenerator<E> delegate) {
    return new ReserializingTestCollectionGenerator<>(delegate);

@GwtIncompatible
public class ReserializingTestCollectionGenerator<E> implements TestCollectionGenerator<E> {
  private final TestCollectionGenerator<E> delegate;

  ReserializingTestCollectionGenerator(TestCollectionGenerator<E> delegate) {
    this.delegate = delegate;
  }

  public static <E> ReserializingTestCollectionGenerator<E> newInstance(
      TestCollectionGenerator<E> delegate) {
    return new ReserializingTestCollectionGenerator<>(delegate);

 * Creates sets, containing sample elements, to be tested.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface TestListGenerator<E extends @Nullable Object> extends TestCollectionGenerator<E> {
  @Override
  List<E> create(Object... elements);

import com.google.common.collect.testing.TestCollectionGenerator;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Creates multisets, containing sample elements, to be tested.
 *
 * @author Jared Levy
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface TestMultisetGenerator<E extends @Nullable Object>
    extends TestCollectionGenerator<E> {
  @Override

import com.google.common.collect.testing.TestCollectionGenerator;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Creates multisets, containing sample elements, to be tested.
 *
 * @author Jared Levy
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface TestMultisetGenerator<E extends @Nullable Object>
    extends TestCollectionGenerator<E> {
  @Override

 */
@GwtIncompatible
public class CollectionTestSuiteBuilder<E>
    extends AbstractCollectionTestSuiteBuilder<CollectionTestSuiteBuilder<E>, E> {
  public static <E> CollectionTestSuiteBuilder<E> using(TestCollectionGenerator<E> generator) {
    return new CollectionTestSuiteBuilder<E>().usingGenerator(generator);
  }

  @Override
  protected List<TestSuite> createDerivedSuites(

 * Creates queues, containing sample elements, to be tested.
 *
 * @author Jared Levy
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface TestQueueGenerator<E extends @Nullable Object> extends TestCollectionGenerator<E> {
  @Override
  Queue<E> create(Object... elements);

 * Creates queues, containing sample elements, to be tested.
 *
 * @author Jared Levy
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface TestQueueGenerator<E extends @Nullable Object> extends TestCollectionGenerator<E> {
  @Override
  Queue<E> create(Object... elements);