return comparator.compare(a, b);
  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object == this) {
      return true;
    }
    if (object instanceof ComparatorOrdering) {
      ComparatorOrdering<?> that = (ComparatorOrdering<?>) object;
      return this.comparator.equals(that.comparator);
    }
    return false;
  }

  @Override

        Map<Object, Object> map = new HashMap<Object, Object>();
        assertEquals(0, (int) StreamUtil.stream(map).get(s -> s.toArray().length));
    }

    public void test_ofMap() {
        Map<String, String> map = new HashMap<String, String>();
        map.put("key1", "value1");
        map.put("key2", "value2");
        StreamUtil.stream(map).of(s -> s.forEach(m -> assertEquals(map.get(m.getKey()), m.getValue())));
    }

 */
@GwtCompatible
abstract class AbstractTable<
        R extends @Nullable Object, C extends @Nullable Object, V extends @Nullable Object>
    implements Table<R, C, V> {

  @Override
  public boolean containsRow(@Nullable Object rowKey) {
    return Maps.safeContainsKey(rowMap(), rowKey);
  }

  @Override
  public boolean containsColumn(@Nullable Object columnKey) {
    return Maps.safeContainsKey(columnMap(), columnKey);
  }

        ArtifactSpec e = b2.addDependency("e", "1.0");
        ArtifactSpec g = d1.addDependency("g", "1.0");

        ArtifactResolutionResult res = collect(createSet(new Object[] {a.artifact}));
        Object[] artifacts = new Object[] {a.artifact, c.artifact, d1.artifact, b2.artifact, e.artifact, g.artifact};
        assertEquals(createSet(artifacts), res.getArtifacts(), "Check artifact list");

    }

    /** Case 1: Normal merge (no duplicates) */
    public void test_mergeResponseData_noOverwrite() {
        Map<String, Object> dataMap = new HashMap<>();
        dataMap.put("a", "A0");
        Map<String, Object> responseDataMap = new HashMap<>();
        responseDataMap.put("b", "B1");

        indexUpdateCallback.mergeResponseData(dataMap, responseDataMap);

    }

    private static class TestIngester extends Ingester {
        int processCalled = 0;

        @Override
        public Map<String, Object> process(Map<String, Object> target, DataStoreParams paramMap) {
            processCalled++;
            Map<String, Object> result = new HashMap<>(target);
            result.put("status", "processed");
            return result;
        }
    }

    }

    /**
     * Converts the given object to a {@link Long}.
     *
     * @param o
     *            the object to convert
     * @return the converted {@link Long}
     */
    public static Long toLong(final Object o) {
        return toLong(o, null);
    }

    /**
     * Converts the given object to a {@link Long}.
     *
     * @param o
     *            the object to convert
     * @param pattern

  }

  /**
   * A sensible definition of {@link #subMultiset(Object, BoundType, Object, BoundType)} in terms of
   * {@link #headMultiset(Object, BoundType) headMultiset} and {@link #tailMultiset(Object,
   * BoundType) tailMultiset}.
   *
   * <p>If you override either of these methods, you may wish to override {@link
   * #subMultiset(Object, BoundType, Object, BoundType)} to forward to this implementation.
   */

    private final Object[] cellValues;
    private final int[] cellRowIndices;
    private final int[] cellColumnIndices;

    private SerializedForm(
        Object[] rowKeys,
        Object[] columnKeys,
        Object[] cellValues,
        int[] cellRowIndices,
        int[] cellColumnIndices) {
      this.rowKeys = rowKeys;
      this.columnKeys = columnKeys;
      this.cellValues = cellValues;

            if (oldValue instanceof Object[]) {
                oldValues = (Object[]) oldValue;
            } else if (oldValue instanceof Collection<?>) {
                oldValues = ((Collection<?>) oldValue).toArray();
            } else {
                oldValues = new Object[] { oldValue };
            }
            if (value.getClass().isArray()) {
                final Object[] newValues = (Object[]) value;