synchronized (sid_cache) {
            for (si = 0; si < sids.length; si++) {
                final SID sid = (SID) sid_cache.get(sids[si]);
                if (sid != null) {
                    sids[si].type = sid.type;
                    sids[si].domainName = sid.domainName;
                    sids[si].acctName = sid.acctName;
                } else {
                    list.add(sids[si]);
                }
            }

    /**
     * Well known SID: EVERYONE
     */
    public static SID EVERYONE = null;

    /**
     * Well known SID: CREATOR_OWNER
     */
    public static SID CREATOR_OWNER = null;

    /**
     * Well known SID: SYSTEM
     */
    public static SID SYSTEM = null;

    static {
        try {
            EVERYONE = new SID("S-1-1-0");
            CREATOR_OWNER = new SID("S-1-3-0");

        // Verify SID
        assertNotNull(decodedInfo.sid);
        assertEquals(trustInfo.sid.revision, decodedInfo.sid.revision);
        assertEquals(trustInfo.sid.sub_authority_count, decodedInfo.sid.sub_authority_count);
    }

    @Test
    void testLsarSidArrayEncodeDecodeRoundTrip() throws NdrException {
        // Create SID array with test data

            // Assert
            assertEquals("S-1-5-21-1-2-3-1029", sid.toString());
            assertEquals(1029, sid.getRid());
        }

        @Test
        @DisplayName("Relative constructor with SID appends all subauthorities of relative SID")
        void testRelativeConstructorWithSid() throws Exception {
            // Arrange
            SID dom = new SID("S-1-5-21");

    @Mock
    private SID mockSid1;

    @Mock
    private SID mockSid2;

    @Mock
    private SID mockSid3;

    @Mock
    private SID mockDomainSid;

    private String testServerName;
    private SID[] testSids;

    @BeforeEach
    void setUp() {
        testServerName = "test-server.domain.com";
        testSids = new SID[] { mockSid1, mockSid2, mockSid3 };
    }

    /** SID name type: domain. */
    /** SID name type: domain. */
    public static final int SID_NAME_DOMAIN = 3;
    /** SID name type: alias. */
    /** SID name type: alias. */
    public static final int SID_NAME_ALIAS = 4;
    /** SID name type: well-known group. */
    /** SID name type: well-known group. */
    public static final int SID_NAME_WKN_GRP = 5;
    /** SID name type: deleted. */
    /** SID name type: deleted account. */

        }
        final int type = sid.getType();
        sidSet.add(sid);
        if (type == SID.SID_TYPE_DOM_GRP || type == SID.SID_TYPE_ALIAS) {
            try {
                final CIFSContext context = file.getContext();
                if (logger.isDebugEnabled()) {
                    logger.debug("Resolving group SIDs: {}", sid);
                }
                final SID[] children = context.getSIDResolver()

        }
        final int type = sid.getType();
        sidSet.add(sid);
        if (type == SID.SID_TYPE_DOM_GRP || type == SID.SID_TYPE_ALIAS) {
            try {
                final SID[] children = sid.getGroupMemberSids(file.getServer(), (NtlmPasswordAuthentication) file.getPrincipal(),
                        SID.SID_FLAG_RESOLVE_SIDS);
                for (final SID child : children) {

        SID sid = new SID(adminSidBytes, 0);
        assertArrayEquals(adminSidBytes, sid.toByteArray());
    }

    /**
     * Test the equals method.
     *
     * @throws SmbException if the SID string is invalid
     */
    @Test
    void testEquals() throws SmbException {
        SID sid1 = new SID(adminSidString);
        SID sid2 = new SID(adminSidBytes, 0);
        SID sid3 = new SID("S-1-1-0"); // Everyone

        // Arrange
        jcifs.SID mockSid1 = mock(jcifs.SID.class);
        jcifs.SID mockSid2 = mock(jcifs.SID.class);
        jcifs.SID mockSid3 = mock(jcifs.SID.class);
        when(mockSid1.unwrap(sid_t.class)).thenReturn(mockSidT);
        when(mockSid2.unwrap(sid_t.class)).thenReturn(mockSidT);
        when(mockSid3.unwrap(sid_t.class)).thenReturn(mockSidT);
        testSids = new jcifs.SID[] { mockSid1, mockSid2, mockSid3 };