default Seq<Window<T>> window(long lower, long upper) {
        return window(Window.of(lower, upper)).map(t -> t.v1);
    }
Map this stream to a windowed stream using the default partition and order with frame.
<p>
<pre><code>
// (2, 4, 4, 4, 3)
Seq.of(1, 2, 4, 2, 3).window(-1, 1).map(Window::max)
</code></pre>
jOOL/src/main/java/org/jooq/lambda/Seq.java