.withTearDown(parentBuilder.getTearDown())
              .createTestSuite());
    }
    return derivedSuites;
  }

  private static final class ReserializedSetGenerator<E> implements TestSetGenerator<E> {
    final OneSizeTestContainerGenerator<Collection<E>, E> gen;

    private ReserializedSetGenerator(OneSizeTestContainerGenerator<Collection<E>, E> gen) {
      this.gen = gen;
    }

  }

  /** Returns the dummy return value for {@code returnType}. */
  abstract <R> @Nullable R dummyReturnValue(TypeToken<R> returnType);

  private final class DummyHandler extends AbstractInvocationHandler implements Serializable {
    private final TypeToken<?> interfaceType;

    DummyHandler(TypeToken<?> interfaceType) {
      this.interfaceType = interfaceType;
    }

    @Override

 * the least recently used element is removed.
 * </p>
 * @author shinsuke
 * @param <E> the type of elements maintained by this set
 */
public class LruHashSet<E> extends AbstractSet<E> implements Set<E>, java.io.Serializable {
    private static final long serialVersionUID = 1L;

    /**
     * The internal LRU hash map used to store elements.
     */
    private final LruHashMap<E, Object> map;

        Object result = scriptEngine.evaluate(template, paramMap);
        assertNull(result);
    }

    // Test implementation of ScriptEngine for testing
    private static class TestScriptEngine implements ScriptEngine {
        @Override
        public Object evaluate(String template, Map<String, Object> paramMap) {
            if (template == null) {
                return null;
            }

import org.codelibs.fess.unit.UnitFessTestCase;

public class SearchLogEventTest extends UnitFessTestCase {

    // Test implementation of SearchLogEvent interface
    private static class TestSearchLogEvent implements SearchLogEvent {
        private String id;
        private Long versionNo;
        private String eventType;
        private Map<String, Object> sourceMap;

/**
 * A {@link RunnableFuture} that also implements the {@link ListenableFuture} interface.
 *
 * <p>This should be used in preference to {@link ListenableFutureTask} when possible for
 * performance reasons.
 */
@GwtCompatible
class TrustedListenableFutureTask<V extends @Nullable Object> extends FluentFuture.TrustedFuture<V>
    implements RunnableFuture<V> {

    addCallback(f, callback, directExecutor());
  }

  private class CountingSameThreadExecutor implements Executor {
    int runCount = 0;

    @Override
    public void execute(Runnable command) {
      command.run();
      runCount++;
    }
  }

  private final class MockCallback implements FutureCallback<String> {
    @Nullable private String value = null;

    addCallback(f, callback, directExecutor());
  }

  private class CountingSameThreadExecutor implements Executor {
    int runCount = 0;

    @Override
    public void execute(Runnable command) {
      command.run();
      runCount++;
    }
  }

  private final class MockCallback implements FutureCallback<String> {
    @Nullable private String value = null;

 * @param <V> the base value type
 * @author Charles Fry
 * @author Jon Donovan
 */
@NullUnmarked
@SuppressWarnings("nullness") // TODO: b/384945891 - Remove after fixing checker.
public class LocalCache<K, V> implements ConcurrentMap<K, V> {
  private static final int UNSET_INT = CacheBuilder.UNSET_INT;

  private final LinkedHashMap<K, Timestamped<V>> cachingHashMap;
  private final CacheLoader<? super K, V> loader;

      str.append(chars);
      return charactersOf(str);
    }
  }

  private abstract static class TestUnhashableListGenerator
      extends TestUnhashableCollectionGenerator<List<UnhashableObject>>
      implements TestListGenerator<UnhashableObject> {}

  public static class UnhashableElementsImmutableListGenerator extends TestUnhashableListGenerator {
    @Override