[obsolete_apache_client]: https://gist.github.com/swankjesse/09721f72039e3a46cf50f94323deb82d
 [obsolete_url_factory]: https://gist.github.com/swankjesse/dd91c0a8854e1559b00f5fc9c7bfae70
 [okhttp_idling_resource]: https://github.com/JakeWharton/okhttp-idling-resource
 [public_suffix]: https://publicsuffix.org/
 [remove_cbc_ecdsa]: https://developers.google.com/web/updates/2016/12/chrome-56-deprecations#remove_cbc-mode_ecdsa_ciphers_in_tls

		tw := &teststringwriter{}
		b := NewWriterSize(tw, BufSize)
		b.WriteString("1234")
		tw.check(t, "", "")
		b.WriteString("56789012")   // longer than BufSize
		tw.check(t, "12345678", "") // but not enough (after filling the partially-filled buffer)
		b.Flush()
		tw.check(t, "123456789012", "")
	}
	{
		tw := &teststringwriter{}
		b := NewWriterSize(tw, BufSize)
		b.WriteString("123456789")   // long string, empty buffer:

         *
         * (If we decide that we really, really hate allocating two Iterators per cycle instead of
         * one, we can optimistically store the new Iterator and then be willing to throw it out if
         * the user calls remove().)
         */
        return iterator.hasNext() || iterable.iterator().hasNext();
      }

      @Override
      @ParametricNullness

         *
         * (If we decide that we really, really hate allocating two Iterators per cycle instead of
         * one, we can optimistically store the new Iterator and then be willing to throw it out if
         * the user calls remove().)
         */
        return iterator.hasNext() || iterable.iterator().hasNext();
      }

      @Override
      @ParametricNullness