public Map<String, ServiceInfo> getServiceInfoMap() {
        return serviceInfoMap;
    }
@Test
    void testGetServiceInfoMap() throws NoSuchFieldException, IllegalAccessException {
        assertEquals(0, holder.getServiceInfoMap().size());
        Field fieldNotifierEventScope = ServiceInfoHolder.class.getDeclaredField("notifierEventScope");
        fieldNotifierEventScope.setAccessible(true);
        assertEquals("scope-001", fieldNotifierEventScope.get(holder));
    }