abstract <E> SortedMultiset<E> subMultiset(
        SortedMultiset<E> multiset, List<Entry<E>> entries, int targetEntry);
  }

  private void testSubMultisetEntrySet(SubMultisetSpec spec) {
    List<Entry<E>> entries = copyToList(sortedMultiset.entrySet());
    for (int i = 0; i < entries.size(); i++) {
      List<Entry<E>> expected = spec.expectedEntries(i, entries);

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

  private final Object lock = new Object();

  /** We will keep a private list of all logged records */
  @GuardedBy("lock")
  private final List<LogRecord> list = new ArrayList<>();

  /** Adds the most recently logged record to our list. */
  @Override
  public void publish(@Nullable LogRecord record) {
    synchronized (lock) {
      if (record != null) {
        list.add(record);
      }
    }
  }

  @Override

        List<Artifact> list = new ArrayList<>();
        list.add(newArtifact("b"));
        list.add(newArtifact("a"));
        list.add(newArtifact("c"));
        list.add(newArtifact("e"));
        list.add(newArtifact("d"));

        Map<String, Artifact> map = ArtifactUtils.artifactMapByVersionlessId(list);
        assertNotNull(map);
        assertEquals(list, new ArrayList<>(map.values()));
    }

        final CsvWriter csvWriter = new CsvWriter(writer, cfg);
        try {
            final List<String> list = new ArrayList<>();
            list.add("SessionId");
            list.add("SessionCreatedTime");
            list.add("Key");
            list.add("Value");
            list.add("CreatedTime");
            csvWriter.writeValues(list);

  }

  @SuppressWarnings("unchecked") // proxy of List<String>
  private static List<String> newDelegatingList(List<String> delegate) {
    return Reflection.newProxy(List.class, new DelegatingInvocationHandler(delegate));
  }

  @SuppressWarnings("unchecked") // proxy of List<String>
  private static List<String> newDelegatingListWithEquals(List<String> delegate) {

    assertAssignable(
        new TypeToken<List<? extends N1>>() {}, new TypeToken<List<? extends N1>>() {});
    assertAssignable(new TypeToken<List<? super N1>>() {}, new TypeToken<List<? super N1>>() {});
    assertAssignable(
        new TypeToken<List<? extends Number>>() {}, new TypeToken<List<? extends Number>>() {});
    assertAssignable(
        new TypeToken<List<? super Number>>() {}, new TypeToken<List<? super Number>>() {});
  }

                        }
                    }
                    list.add(parseItem(isCombination, isDigit, version.substring(startIndex, i)));
                }
                startIndex = i + 1;

                if (!list.isEmpty()) {
                    list.add(list = new ListItem());
                    stack.push(list);
                }
                isCombination = false;

        return doBatchInsert(new BulkList<>(list, call, entityCall), null);
    }

    public int[] batchUpdate(List<UserInfo> list) {
        return batchUpdate(list, null, null);
    }

    public int[] batchUpdate(List<UserInfo> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchUpdate(list, call, null);
    }

    public int[] batchUpdate(List<UserInfo> list, RequestOptionCall<BulkRequestBuilder> call,

    }

    public int[] batchInsert(List<CrawlingInfoParam> list) {
        return batchInsert(list, null, null);
    }

    public int[] batchInsert(List<CrawlingInfoParam> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchInsert(list, call, null);
    }

    public int[] batchInsert(List<CrawlingInfoParam> list, RequestOptionCall<BulkRequestBuilder> call,