@Override
    public boolean offer(final T element) {
        return offer(element, 1);
    }
@Test
    public void testStreamSummary() {
        ConcurrentStreamSummary<String> vs = new ConcurrentStreamSummary<String>(3);
        String[] stream = {"X", "X", "Y", "Z", "A", "B", "C", "X", "X", "A", "A", "A"};
        for (String i : stream) {
            vs.offer(i);
            /*
		for(String s : vs.poll(3))
		System.out.print(s+" ");
			 */
            System.out.println(vs);
        }
    }