@Override
    public void addAll(long[] hashes) {
        for (long hash : hashes) {
            add(hash);
        }
    }
@Test
    public void addAll() {
        hyperLogLog.addAll(new long[]{1L, 1L, 2000L, 3000L, 40000L});
        assertEquals(4L, hyperLogLog.estimate());
    }