static <T> Seq<T> shuffle(Seq<? extends T> stream) {
        return shuffle(stream, null);
    }
Shuffle a stream
<p>
<pre><code>
// e.g. (2, 3, 1)
Seq.of(1, 2, 3).shuffle()
</code></pre>
jOOL-java-8/src/main/java/org/jooq/lambda/Seq.java