// Test User SID (type 1)
        assertEquals("1Test User", sambaHelper.getAccountId(createMockSID(1, "Test User")));

        // Test Domain Group SID (type 2)
        assertEquals("2Domain Group", sambaHelper.getAccountId(createMockSID(2, "Domain Group")));

        // Test Alias SID (type 4, mapped to 2)
        assertEquals("2Local Group", sambaHelper.getAccountId(createMockSID(4, "Local Group")));

                if (allowedSids != null) {
                    for (final SID sid : allowedSids) {
                        final String accountId = sambaHelper.getAccountId(sid);
                        if (accountId != null) {
                            roleTypeList.add(accountId);
                        }
                    }
                }

        fessConfig = ComponentUtil.getFessConfig();
    }

    /**
     * Gets the account ID from a SID.
     * @param sid The SID.
     * @return The account ID.
     */
    public String getAccountId(final SID sid) {
        final int type = sid.getType();
        if (logger.isDebugEnabled()) {
            try {
                logger.debug("Processing SID: {} {} {}", type, sid, sid.toDisplayString());