@Override
    public String toString() {
        return String.format("PrioritizedFilterStatistics [id: %s, count: %d, first: %d, last: %d]",
                getFilterId(), getCount(), getFirst(), getLast());
    }
@Test
    void testToStringInitial() {
        PrioritizedFilterStatistics stats = new PrioritizedFilterStatistics("test");
        String strVal = stats.toString();
        Assertions.assertEquals("PrioritizedFilterStatistics [id: test, count: 0, first: 0, last: 0]", strVal);
    }