public static <T> Collector<T, ?, Seq<T>> modeAll() {
        return mode0(seq -> seq.maxAllBy(t -> t.v2).map(t -> t.v1));
    }
Get a {@link Collector} that calculates the <code>MODE()</code> function.
jOOL-java-8/src/main/java/org/jooq/lambda/Agg.java