oneValueAccumulatorByAddAllEmptyStats.addAll(Stats.of());

    twoValuesAccumulator = new StatsAccumulator();
    twoValuesAccumulator.addAll(TWO_VALUES);

    twoValuesAccumulatorByAddAllStats = new StatsAccumulator();
    twoValuesAccumulatorByAddAllStats.addAll(Stats.of(ONE_VALUE));
    twoValuesAccumulatorByAddAllStats.addAll(Stats.of(OTHER_ONE_VALUE));

    emptyAccumulatorByAddAllEmptyPairedStats.addAll(emptyAccumulator.snapshot());

    oneValueAccumulator = new PairedStatsAccumulator();
    oneValueAccumulator.add(ONE_VALUE, OTHER_ONE_VALUE);

    oneValueAccumulatorByAddAllEmptyPairedStats = new PairedStatsAccumulator();
    oneValueAccumulatorByAddAllEmptyPairedStats.add(ONE_VALUE, OTHER_ONE_VALUE);
    oneValueAccumulatorByAddAllEmptyPairedStats.addAll(emptyAccumulator.snapshot());

    emptyAccumulatorByAddAllEmptyPairedStats.addAll(emptyAccumulator.snapshot());

    oneValueAccumulator = new PairedStatsAccumulator();
    oneValueAccumulator.add(ONE_VALUE, OTHER_ONE_VALUE);

    oneValueAccumulatorByAddAllEmptyPairedStats = new PairedStatsAccumulator();
    oneValueAccumulatorByAddAllEmptyPairedStats.add(ONE_VALUE, OTHER_ONE_VALUE);
    oneValueAccumulatorByAddAllEmptyPairedStats.addAll(emptyAccumulator.snapshot());

                    fessConfig.getIndexFieldLang());
            // Initialize Set for O(1) lookup performance
            searchFieldSet = new HashSet<>();
            Collections.addAll(searchFieldSet, searchFields);
        }
        if (facetFields == null) {
            facetFields = fessConfig.getQueryAdditionalFacetFields(//
                    fessConfig.getIndexFieldUrl(), //

            return parent.containsAll(c);
        }

        public boolean addAll(final Collection<? extends E> c) {
            return parent.addAll(c);
        }

        public boolean addAll(final int index, final Collection<? extends E> c) {
            return parent.addAll(index, c);
        }

        public boolean removeAll(final Collection<?> c) {

   * Builder#addAll(Iterable)}, with all the performance implications associated with that.
   */
  public static ImmutableIntArray copyOf(Iterable<Integer> values) {
    if (values instanceof Collection) {
      return copyOf((Collection<Integer>) values);
    }
    return builder().addAll(values).build();
  }

  /**

   * Builder#addAll(Iterable)}, with all the performance implications associated with that.
   */
  public static ImmutableLongArray copyOf(Iterable<Long> values) {
    if (values instanceof Collection) {
      return copyOf((Collection<Long>) values);
    }
    return builder().addAll(values).build();
  }

  /**

        }
        builder.addAll(array);
      }
    },
    ADD_COLLECTION {
      @Override
      void doIt(ImmutableLongArray.Builder builder, AtomicLong counter) {
        List<Long> list = new ArrayList<>();
        long num = random.nextInt(10);
        for (int i = 0; i < num; i++) {
          list.add(counter.getAndIncrement());
        }
        builder.addAll(list);
      }
    },

            return parent.containsAll(c);
        }

        public boolean addAll(final Collection<? extends E> c) {
            return parent.addAll(c);
        }

        public boolean addAll(final int index, final Collection<? extends E> c) {
            return parent.addAll(index, c);
        }

        public boolean removeAll(final Collection<?> c) {

                            }
                            if (!hasAccessToken || roleSet.isEmpty()) {
                                roleSet.addAll(fessConfig.getSearchGuestRoleList());
                            }
                        });
            } catch (final RuntimeException e) {
                try {