checkNotNull(iterable);

    return new FluentIterable<T>() {
      @Override
      public Iterator<T> iterator() {
        return (iterable instanceof Queue)
            ? new ConsumingQueueIterator<>((Queue<T>) iterable)
            : Iterators.consumingIterator(iterable.iterator());
      }

      @Override
      public String toString() {
        return "Iterables.consumingIterable(...)";