code: @SuppressWarnings("unchecked")
  	public Iterator<K> iterator(long first, long count)
      {
      	return iterator(first, count, (Function<Object, K>)transformer);
      }
docs: Get result as {@link Iterator}&lt;K&gt;. Suitable for pagination
  @param first first element to start from
  @param count maximum size of a result set
  @return {@link Iterator} over results