static <T1, T2, U1, U2> Tuple2<Seq<U1>, Seq<U2>> unzip(Stream<Tuple2<T1, T2>> stream, BiFunction<T1, T2, Tuple2<U1, U2>> unzipper) {
        return unzip(seq(stream), unzipper);
    }
Unzip one Stream into two.
<p>
<pre><code>
// tuple((1, 2, 3), (a, b, c))
Seq.unzip(Seq.of(tuple(1, "a"), tuple(2, "b"), tuple(3, "c")));
</code></pre>
jOOL-java-8/src/main/java/org/jooq/lambda/Seq.java