}

    @Override
    public @Nullable Object[] toArray() {
      // creating an ArrayList so filtering happens once
      return Lists.newArrayList(iterator()).toArray();
    }

    @Override
    @SuppressWarnings("nullness") // b/192354773 in our checker affects toArray declarations
    public <T extends @Nullable Object> T[] toArray(T[] array) {
      return Lists.newArrayList(iterator()).toArray(array);

            listTable[i] = null;
        }
        size = 0;
    }

    /**
     * Converts this map to an array.
     *
     * @return the array
     */
    public Object[] toArray() {
        final Object[] array = new Object[size];
        for (int i = 0; i < array.length; i++) {
            array[i] = getAt(i);
        }
        return array;
    }

    /**

      this.values = ImmutableList.copyOf(Doubles.asList(values));
    }

    ImmutableList<Double> asIterable() {
      return values;
    }

    double[] asArray() {
      return Doubles.toArray(values);
    }

    boolean hasAnyPositiveInfinity() {
      return Iterables.any(values, Predicates.equalTo(POSITIVE_INFINITY));
    }

    boolean hasAnyNegativeInfinity() {

     * @throws IllegalArgumentException if {@code indexes} is empty
     */
    public ScaleAndIndexes indexes(Collection<Integer> indexes) {
      return new ScaleAndIndexes(scale, Ints.toArray(indexes));
    }
  }

  /**
   * Describes the point in a fluent API chain where the scale and a single quantile index (i.e. the
   * q and the k in the kth q-quantile) have been specified.
   *

    // new AuthScope("www.hoge.com", 80),
    // new UsernamePasswordCredentials("username", "password"),
    // digestScheme));
    // paramMap.put(
    // HcHttpClient.AUTHENTICATIONS_PROPERTY,
    // basicAuthList.toArray(new Authentication[basicAuthList.size()]));
    //
    // List<Callable<ResponseData>> list =
    // new ArrayList<Callable<ResponseData>>();
    // for (int i = 0; i < 100; i++) {

        final long now = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
        if (now - lastLoadedTime > 60000L) {
            final List<String> nameList = loadDataStoreNameList();
            dataStoreNames = nameList.toArray(n -> new String[nameList.size()]);
            lastLoadedTime = now;
        }
        return dataStoreNames;
    }

    /**
     * Loads the list of available data store names by scanning plugin JAR files.

        final List<FilterFunctionBuilder> list = new ArrayList<>();
        functionScoreQuery.accept(list);
        queryBuilder = QueryBuilders.functionScoreQuery(queryBuilder, list.toArray(new FilterFunctionBuilder[list.size()]));
    }

    /**
     * Adds additional query clauses using a boolean query builder.
     * @param boolQuery Consumer that configures the boolean query.
     */

   * @since 1.0 (parameter was {@code Collection<Double>} before 12.0)
   */
  public static double[] toArray(Collection<? extends Number> collection) {
    if (collection instanceof DoubleArrayAsList) {
      return ((DoubleArrayAsList) collection).toDoubleArray();
    }

    Object[] boxedArray = collection.toArray();
    int len = boxedArray.length;
    double[] array = new double[len];
    for (int i = 0; i < len; i++) {

        for (int i = 0; i < entry.getCount(); i++) {
          contents.add(entry.getElement());
        }
      }
      return ((Multiset<E>) gen.create(contents.toArray())).entrySet();
    }

    @SuppressWarnings("unchecked")
    @Override
    public Multiset.Entry<E>[] createArray(int length) {
      return (Multiset.Entry<E>[]) new Multiset.Entry<?>[length];
    }

        if (!docIdList.isEmpty()) {
            return deleteDocumentByQuery(searchEngineClient, fessConfig.getIndexDocumentUpdateIndex(),
                    QueryBuilders.termsQuery(fessConfig.getIndexFieldDocId(), docIdList.stream().toArray(n -> new String[n])));
        }
        return 0L;
    }

    /**
     * Updates a specific field of a document in the search index.
     *