@Entrance
    public final void combine(@SourceFrom long count) {
        if (count < this.value) {
            this.value = count;
        }
    }
@Test
    public void testSelfCombine() {
        MinLongMetricsImpl impl = new MinLongMetricsImpl();
        impl.combine(10);
        impl.combine(5);

        MinLongMetricsImpl impl2 = new MinLongMetricsImpl();
        impl2.combine(2);
        impl2.combine(6);

        impl.combine(impl2);
        Assertions.assertEquals(2, impl.getValue());
    }