super.setUp();
    service = SimpleTimeLimiter.create(executor);
  }

  public void testNewProxy_goodMethodWithEnoughTime() throws Exception {
    SampleImpl target = new SampleImpl(DELAY_MS);
    Sample proxy = service.newProxy(target, Sample.class, ENOUGH_MS, MILLISECONDS);
    Stopwatch stopwatch = Stopwatch.createStarted();

    String result = proxy.sleepThenReturnInput("x");

    assertThat(result).isEqualTo("x");

    super.setUp();
    service = SimpleTimeLimiter.create(executor);
  }

  public void testNewProxy_goodMethodWithEnoughTime() throws Exception {
    SampleImpl target = new SampleImpl(DELAY_MS);
    Sample proxy = service.newProxy(target, Sample.class, ENOUGH_MS, MILLISECONDS);
    Stopwatch stopwatch = Stopwatch.createStarted();

    String result = proxy.sleepThenReturnInput("x");

    assertThat(result).isEqualTo("x");

import java.util.List;

/**
 * A generator using sample elements whose hash codes all collide badly.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class TestCollidingSetGenerator implements TestSetGenerator<Object> {
  @Override
  public SampleElements<Object> samples() {
    return new Colliders();
  }

  @Override

            }
          }
        };

    // Expect no exception to be thrown
    sample.noneDeclared();
  }

  @J2ktIncompatible
  @GwtIncompatible // propagateIfPossible
  public void testPropagateIfPossible_NoneDeclared_UncheckedThrown() {
    Sample sample =
        new Sample() {
          @Override
          public void noneDeclared() {
            try {

            }
          }
        };

    // Expect no exception to be thrown
    sample.noneDeclared();
  }

  @J2ktIncompatible
  @GwtIncompatible // propagateIfPossible
  public void testPropagateIfPossible_NoneDeclared_UncheckedThrown() {
    Sample sample =
        new Sample() {
          @Override
          public void noneDeclared() {
            try {

package com.google.common.collect.testing;

import com.google.common.annotations.GwtCompatible;
import java.util.Queue;
import org.checkerframework.checker.nullness.qual.Nullable;

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

/**
 * Creates collections containing unhashable sample elements, to be tested.
 *
 * @author Regina O'Dell
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class TestUnhashableCollectionGenerator<T extends Collection<UnhashableObject>>
    implements TestCollectionGenerator<UnhashableObject> {
  @Override
  public SampleElements<UnhashableObject> samples() {
    return new Unhashables();
  }

  @Override

import com.google.common.collect.Multiset;
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> {

      for (List<Integer> contents : SAMPLE_INPUTS) {
        for (int toRemove = 0; toRemove < 10; toRemove++) {
          assertEquals(
              contents.contains(toRemove) && EVEN.apply(toRemove),
              filter(createUnfiltered(contents), EVEN).remove(toRemove));
        }
      }
    }

    public void testContains() {
      for (List<Integer> contents : SAMPLE_INPUTS) {

import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Creates map entries using sample keys and sample values.
 *
 * @author Jesse Wilson
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class TestMapEntrySetGenerator<
        K extends @Nullable Object, V extends @Nullable Object>