public List<String> getUris() {
        final List<String> uriList = new ArrayList<>();
        synchronized (monitor) {
            uris.iterator().forEachRemaining(uri -> uriList.add(uri));
        }
        return uriList;
    }
@Test
    void testEmpty() {
        assertThat(circularArrayAccessLogKeeper.getUris().size(), is(0));
    }