public void test_getAvailableSmbSidType() throws Exception {
        FessProp.propMap.clear();
        FessConfig fessConfig = new FessConfig.SimpleImpl() {
            @Override
            public String getSmbAvailableSidTypes() {
                return "1,2,5:2";
            }
        };

        assertNull(fessConfig.getAvailableSmbSidType(0));
        assertEquals(1, fessConfig.getAvailableSmbSidType(1));

    }

    String getSmbAvailableSidTypes();

    default Integer getAvailableSmbSidType(final int sidType) {
        @SuppressWarnings("unchecked")
        Map<Integer, Integer> params = (Map<Integer, Integer>) propMap.get(SMB_AVAILABLE_SID_TYPES);
        if (params == null) {
            params = split(getSmbAvailableSidTypes(), ",").get(stream -> stream.map(s -> {