Object keyOne = new Object();
      Object valueOne = new Object();
      int hashOne = map.hash(keyOne);
      InternalEntry<Object, Object, ?> entryOne = segment.newEntryForTesting(keyOne, hashOne, null);
      segment.setValueForTesting(entryOne, valueOne);

      Object keyTwo = new Object();
      Object valueTwo = new Object();
      int hashTwo = map.hash(keyTwo);

  @AndroidIncompatible // depends on details of GC
  public void testFreesNextReference() {
    Iterator<Object> itr =
        new AbstractIterator<Object>() {
          @Override
          public Object computeNext() {
            return new Object();
          }
        };
    WeakReference<Object> ref = new WeakReference<>(itr.next());
    GcFinalization.awaitClear(ref);
  }

      new ListenerCallQueue.Event<Object>() {
        @Override
        public void call(Object object) {
          throw new RuntimeException();
        }

        @Override
        public String toString() {
          return "throwing()";
        }
      };

  public void testEnqueueAndDispatch() {
    Object listener = new Object();

  @AndroidIncompatible // depends on details of GC
  public void testFreesNextReference() {
    Iterator<Object> itr =
        new AbstractIterator<Object>() {
          @Override
          public Object computeNext() {
            return new Object();
          }
        };
    WeakReference<Object> ref = new WeakReference<>(itr.next());
    GcFinalization.awaitClear(ref);
  }

      new ListenerCallQueue.Event<Object>() {
        @Override
        public void call(Object object) {
          throw new RuntimeException();
        }

        @Override
        public String toString() {
          return "throwing()";
        }
      };

  public void testEnqueueAndDispatch() {
    Object listener = new Object();

            return updateEntity(source, result);
        } catch (InstantiationException | IllegalAccessException e) {
            final String msg = "Cannot create a new instance: " + entityType.getName();
            throw new IllegalBehaviorStateException(msg, e);
        }
    }

    protected <RESULT extends DataConfig> RESULT updateEntity(Map<String, Object> source, RESULT result) {
        return result;
    }

            return updateEntity(source, result);
        } catch (InstantiationException | IllegalAccessException e) {
            final String msg = "Cannot create a new instance: " + entityType.getName();
            throw new IllegalBehaviorStateException(msg, e);
        }
    }

    protected <RESULT extends LabelType> RESULT updateEntity(Map<String, Object> source, RESULT result) {
        return result;
    }

@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public abstract class CharSink {

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

  /**
   * Opens a new {@link Writer} for writing to this sink. This method returns a new, independent
   * writer each time it is called.
   *
   * <p>The caller is responsible for ensuring that the returned writer is closed.
   *

    protected Map<String, DataStore> dataStoreMap = new LinkedHashMap<>();

    protected String[] dataStoreNames = StringUtil.EMPTY_STRINGS;

    protected long lastLoadedTime = 0;

    public void add(final String name, final DataStore dataStore) {
        if (name == null || dataStore == null) {
            throw new IllegalArgumentException("name or dataStore is null.");
        }

  }

  public static class ImmutableListHeadSubListGenerator extends TestStringListGenerator {
    @Override
    protected List<String> create(String[] elements) {
      String[] suffix = {"f", "g"};
      String[] all = new String[elements.length + suffix.length];
      arraycopy(elements, 0, all, 0, elements.length);
      arraycopy(suffix, 0, all, elements.length, suffix.length);
      return ImmutableList.copyOf(all).subList(0, elements.length);