public static <T> Collector<T, ?, Seq<T>> dropping(long n) {
        class Accumulator {
            List<T> list = new ArrayList<>();
            long index;
        }

        return Collector.of(
            Accumulator::new,
            (a, v) -> {
                if (a.index >= n)
                    a.list.add(v);
                else
                    a.index++;
            },
            (a1, a2) -> {
                a1.list.addAll(a2.list);
                a1.index += a2.index;
                return a1;
            },
            a -> Seq.seq(a.list)
        );
    }
Get a {@link Collector} that skip the first <code>n</code> elements of a
collection.
jOOL/src/main/java/org/jooq/lambda/Agg.java