* iterator whether it has any elements <i>remaining</i> (which one does using {@link
   * Iterator#hasNext}).
   *
   * <p><b>{@code Stream} equivalent:</b> {@code !stream.findAny().isPresent()}
   *
   * @return {@code true} if the iterable contains no elements
   */
  public static boolean isEmpty(Iterable<?> iterable) {
    if (iterable instanceof Collection) {

        return search(index, condition, (searchRequestBuilder, execTime, searchResponse) -> {
            final List<T> list = new ArrayList<>();
            searchResponse.ifPresent(response -> response.getHits().forEach(hit -> {
                list.add(creator.build(response, hit));
            }));
            return list;
        });
    }

    /**