private static final String[] EMPTY_STRINGS = new String[0];
        private static final Type[] EMPTY_TYPES = new Type[0];

        private final Class<?> type;
        private final boolean managed;
        private final Type generatedType;
        private final Type superclassType;
        private final Map<java.lang.reflect.Type, ReturnTypeEntry> genericReturnTypeConstantsIndex = new HashMap<>();

public class FuturesTest extends TestCase {
  private static final Logger aggregateFutureLogger =
      Logger.getLogger(AggregateFuture.class.getName());
  private final TestLogHandler aggregateFutureLogHandler = new TestLogHandler();

  private static final String DATA1 = "data";
  private static final String DATA2 = "more data";
  private static final String DATA3 = "most data";

  @Override

public class FuturesTest extends TestCase {
  private static final Logger aggregateFutureLogger =
      Logger.getLogger(AggregateFuture.class.getName());
  private final TestLogHandler aggregateFutureLogHandler = new TestLogHandler();

  private static final String DATA1 = "data";
  private static final String DATA2 = "more data";
  private static final String DATA3 = "most data";

  @Override

    private static final long serialVersionUID = 1;

    final Strength keyStrength;
    final Strength valueStrength;
    final Equivalence<Object> keyEquivalence;
    final Equivalence<Object> valueEquivalence;
    final long expireAfterWriteNanos;
    final long expireAfterAccessNanos;
    final long maxWeight;
    final Weigher<K, V> weigher;
    final int concurrencyLevel;

    }
  }

  static class MapDifferenceImpl<K extends @Nullable Object, V extends @Nullable Object>
      implements MapDifference<K, V> {
    final Map<K, V> onlyOnLeft;
    final Map<K, V> onlyOnRight;
    final Map<K, V> onBoth;
    final Map<K, ValueDifference<V>> differences;

    MapDifferenceImpl(
        Map<K, V> onlyOnLeft,
        Map<K, V> onlyOnRight,
        Map<K, V> onBoth,

    private static final long serialVersionUID = 1;

    final Strength keyStrength;
    final Strength valueStrength;
    final Equivalence<Object> keyEquivalence;
    final Equivalence<Object> valueEquivalence;
    final long expireAfterWriteNanos;
    final long expireAfterAccessNanos;
    final long maxWeight;
    final Weigher<K, V> weigher;
    final int concurrencyLevel;