code: @Beta
    public static <E> FluentIterable<E> of(@Nullable E element, E... elements) {
      return from(Lists.asList(element, elements));
    }
docs: Returns a fluent iterable containing the specified elements in order.
  
  <p><b>{@code Stream} equivalent:</b> {@link java.util.stream.Stream#of(Object[])
  Stream.of(T...)}.
  
  @since 20.0