});
    }

    protected <BUILDER> int[] delegateBatchRequest(final List<? extends Entity> entityList, Function<EsAbstractEntity, BUILDER> call) {
        @SuppressWarnings("unchecked")
        final BulkList<? extends Entity, BUILDER> bulkList = (BulkList<? extends Entity, BUILDER>) entityList;
        final RequestOptionCall<BUILDER> builderEntityCall = bulkList.getEntityCall();

    setImplementation(ThreadFactory.class, Dummies.DummyThreadFactory.class);
    setImplementation(Executor.class, Dummies.DummyExecutor.class);
  }

  @SuppressWarnings("unchecked") // it's a subtype map
  private static <T> @Nullable Class<? extends T> getImplementation(Class<T> type) {
    return (Class<? extends T>) implementations.get(type);
  }

     *
     * @param str
     *            The string to convert.
     * @param locale
     *            The locale.
     * @return The converted {@link Date}.
     */
    @SuppressWarnings("unchecked")
    protected static Date toDate(final String str, final Locale locale) {
        for (final DateFormat format : MultiIterator.iterable(new DateFormatIterator(locale), new PlainDateFormatIterator(str, locale))) {

     *
     * @param str
     *            The string to convert.
     * @param locale
     *            The locale.
     * @return The converted {@link Date}.
     */
    @SuppressWarnings("unchecked")
    protected static Date toDate(final String str, final Locale locale) {
        for (final DateFormat format : MultiIterator.iterable(new DateFormatIterator(locale), new PlainDateFormatIterator(str, locale))) {

        });
    }

    protected <BUILDER> int[] delegateBatchRequest(final List<? extends Entity> entityList, Function<EsAbstractEntity, BUILDER> call) {
        @SuppressWarnings("unchecked")
        final BulkList<? extends Entity, BUILDER> bulkList = (BulkList<? extends Entity, BUILDER>) entityList;
        final RequestOptionCall<BUILDER> builderEntityCall = bulkList.getEntityCall();

        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @SuppressWarnings("unchecked")
            @Override
            public Tuple3<String, String, String>[] getVirtualHosts() {
                return virtualHostList.toArray(n -> new Tuple3[n]);
            }
        });

    UnmodifiableTable(Table<? extends R, ? extends C, ? extends V> delegate) {
      this.delegate = checkNotNull(delegate);
    }

    @SuppressWarnings("unchecked") // safe, covariant cast
    @Override
    protected Table<R, C, V> delegate() {
      return (Table<R, C, V>) delegate;
    }

    @Override
    public Set<Cell<R, C, V>> cellSet() {

      D genericDeclaration, String name, Type[] bounds) {
    TypeVariableImpl<D> typeVariableImpl = new TypeVariableImpl<>(genericDeclaration, name, bounds);
    @SuppressWarnings("unchecked")
    TypeVariable<D> typeVariable =
        Reflection.newProxy(
            TypeVariable.class, new TypeVariableInvocationHandler(typeVariableImpl));
    return typeVariable;
  }

  /**

        final String content = getRepositoryContent(url);
        final ObjectMapper objectMapper = new YAMLMapper();
        try {
            @SuppressWarnings("unchecked")
            final List<Map<?, ?>> result = objectMapper.readValue(content, List.class);
            if (result != null) {
                return result.stream()

            spec = new ArtifactSpec();
            spec.artifact = artifact;
            source.addArtifact(spec);
        }
        return spec;
    }

    @SuppressWarnings("unchecked")
    private static Set<Artifact> createSet(Object[] x) {
        return new LinkedHashSet(Arrays.asList(x));
    }

    private class ArtifactSpec {
        private Artifact artifact;