ContiguousSet.create(Range.atLeast(Integer.MIN_VALUE), integers()));
    assertEquals(
        ContiguousSet.closed(Integer.MIN_VALUE, Integer.MAX_VALUE),
        ContiguousSet.create(Range.atMost(Integer.MAX_VALUE), integers()));
  }

  @GwtIncompatible // SerializableTester
  public void testSerialization() {
    ContiguousSet<Integer> empty = ContiguousSet.create(Range.closedOpen(1, 1), integers());

        ContiguousSet.create(Range.atLeast(Integer.MIN_VALUE), integers()));
    assertEquals(
        ContiguousSet.closed(Integer.MIN_VALUE, Integer.MAX_VALUE),
        ContiguousSet.create(Range.atMost(Integer.MAX_VALUE), integers()));
  }

  @GwtIncompatible // SerializableTester
  public void testSerialization() {
    ContiguousSet<Integer> empty = ContiguousSet.create(Range.closedOpen(1, 1), integers());

      if (!range.hasLowerBound()) {
        effectiveRange = effectiveRange.intersection(Range.atLeast(domain.minValue()));
      }
      if (!range.hasUpperBound()) {
        effectiveRange = effectiveRange.intersection(Range.atMost(domain.maxValue()));
      }
    } catch (NoSuchElementException e) {
      throw new IllegalArgumentException(e);
    }

    boolean empty;
    if (effectiveRange.isEmpty()) {
      empty = true;
    } else {

			}
			return err
		}
		target.firstPing = true
	}

	eventData, eErr := target.store.Get(key.Name)
	if eErr != nil {
		// The last event key in a successful batch will be sent in the channel atmost once by the replayEvents()
		// Such events will not exist and would've been already been sent successfully.
		if os.IsNotExist(eErr) {
			return nil
		}
		return eErr
	}

    assertEquals(empty, Maps.subMap(map, Range.atMost(0)));
    assertEquals(ImmutableSortedMap.of(2, 0, 4, 0), Maps.subMap(map, Range.atMost(4)));
    assertEquals(ImmutableSortedMap.of(2, 0, 4, 0, 6, 0), Maps.subMap(map, Range.atMost(7)));
    assertEquals(map, Maps.subMap(map, Range.atMost(20)));
  }

  @GwtIncompatible // NavigableMap
  public void testSubMap_unboundedRange() {

    assertEquals(empty, Maps.subMap(map, Range.atMost(0)));
    assertEquals(ImmutableSortedMap.of(2, 0, 4, 0), Maps.subMap(map, Range.atMost(4)));
    assertEquals(ImmutableSortedMap.of(2, 0, 4, 0, 6, 0), Maps.subMap(map, Range.atMost(7)));
    assertEquals(map, Maps.subMap(map, Range.atMost(20)));
  }

  @GwtIncompatible // NavigableMap
  public void testSubMap_unboundedRange() {

	_, err := target.isActive()
	if err != nil {
		return err
	}

	eventData, eErr := target.store.Get(key.Name)
	if eErr != nil {
		// The last event key in a successful batch will be sent in the channel atmost once by the replayEvents()
		// Such events will not exist and wouldve been already been sent successfully.
		if os.IsNotExist(eErr) {
			return nil
		}
		return eErr
	}

      if (!range.hasLowerBound()) {
        effectiveRange = effectiveRange.intersection(Range.atLeast(domain.minValue()));
      }
      if (!range.hasUpperBound()) {
        effectiveRange = effectiveRange.intersection(Range.atMost(domain.maxValue()));
      }
    } catch (NoSuchElementException e) {
      throw new IllegalArgumentException(e);
    }

    boolean empty;
    if (effectiveRange.isEmpty()) {
      empty = true;
    } else {

	if err := target.init(); err != nil {
		return err
	}

	eventData, eErr := target.store.Get(key.Name)
	if eErr != nil {
		// The last event key in a successful batch will be sent in the channel atmost once by the replayEvents()
		// Such events will not exist and would've been already been sent successfully.
		if os.IsNotExist(eErr) {
			return nil
		}
		return eErr
	}

	_, err := target.isActive()
	if err != nil {
		return err
	}

	eventData, err := target.store.Get(key.Name)
	if err != nil {
		// The last event key in a successful batch will be sent in the channel atmost once by the replayEvents()
		// Such events will not exist and wouldve been already been sent successfully.
		if os.IsNotExist(err) {
			return nil
		}
		return err
	}