type RWLocker interface {
	GetLock(ctx context.Context, timeout *dynamicTimeout) (lkCtx LockContext, timedOutErr error)
	Unlock(lkCtx LockContext)
	GetRLock(ctx context.Context, timeout *dynamicTimeout) (lkCtx LockContext, timedOutErr error)
	RUnlock(lkCtx LockContext)
}

// LockContext lock context holds the lock backed context and canceler for the context.
type LockContext struct {
	ctx    context.Context
	cancel context.CancelFunc
}

}

func (ld sharedLock) GetLock(ctx context.Context) (context.Context, context.CancelFunc) {
	l := <-ld.lockContext
	return mergeContext(l.Context(), ctx)
}

func newSharedLock(ctx context.Context, objAPI ObjectLayer, lockName string) *sharedLock {
	l := &sharedLock{
		lockContext: make(chan LockContext),
	}
	go l.backgroundRoutine(ctx, objAPI, lockName)

	return l

            mockContext.getBufferCache();
            mockContext.getTransportPool();
            mockContext.getDfs();
            mockContext.getSIDResolver();
            mockContext.getCredentials();
            mockContext.getUrlHandler();
            mockContext.hasDefaultCredentials();
            mockContext.withDefaultCredentials();
            mockContext.withAnonymousCredentials();
            mockContext.withGuestCrendentials();

        doNothing().when(sidResolver).resolveSids(any(CIFSContext.class), anyString(), any(SID[].class));

        assertDoesNotThrow(() -> sidResolver.resolveSids(mockContext, testServerName, testSids));

        verify(sidResolver, times(1)).resolveSids(mockContext, testServerName, testSids);
    }

    @Test
    void testResolveSids_WithNullContext() throws CIFSException {

    private CIFSContext createMockContext() {
        CIFSContext mockContext = mock(CIFSContext.class);
        Configuration mockConfig = mock(Configuration.class);
        NameServiceClient mockNameServiceClient = mock(NameServiceClient.class);
        NetbiosAddress mockHost = mock(NetbiosAddress.class);

        when(mockContext.getConfig()).thenReturn(mockConfig);
        when(mockContext.getNameServiceClient()).thenReturn(mockNameServiceClient);

    @Mock
    private CIFSContext mockContext;

    @Mock
    private Configuration mockConfig;

    @Mock
    private NameServiceClient mockNameServiceClient;

    @Mock
    private NetbiosAddress mockLocalHost;

    @BeforeEach
    void setUp() {
        // Setup mock context with lenient stubbing to avoid UnnecessaryStubbingException
        lenient().when(mockContext.getConfig()).thenReturn(mockConfig);

        assertTrue(nbtAddress.isGroupAddress(mockContext));
        assertEquals(NbtAddress.B_NODE, nbtAddress.getNodeType(mockContext));
        assertTrue(nbtAddress.isBeingDeleted(mockContext));
        assertTrue(nbtAddress.isInConflict(mockContext));
        assertFalse(nbtAddress.isActive(mockContext));
        assertTrue(nbtAddress.isPermanent(mockContext));

        assertFalse(dfsResolver.isTrustedDomain(mockContext, "anyDomain"));
    }

    @Test
    void testIsTrustedDomain_NoUserDomain() throws CIFSException {
        when(mockConfig.isDfsDisabled()).thenReturn(false);
        when(mockContext.getCredentials()).thenReturn(mockCredentials);
        when(mockCredentials.getUserDomain()).thenReturn(null);
        assertFalse(dfsResolver.isTrustedDomain(mockContext, "anyDomain"));
    }

    @Test

    @BeforeEach
    void setUp() {
        // Setup buffer cache mocks with lenient stubbing
        lenient().when(mockContext.getBufferCache()).thenReturn(mockBufferCache);
        lenient().when(mockBufferCache.getBuffer()).thenReturn(new byte[8192]);
        handle = new TestDcerpcHandle(mockContext, mockBinding);
    }

    @Nested
    @DisplayName("Binding Parsing Tests")
    class BindingParsingTests {

class Smb2NegotiateResponseTest {

    private Configuration mockConfig;
    private CIFSContext mockContext;
    private Smb2NegotiateResponse response;
    private Smb2NegotiateRequest mockRequest;

    @BeforeEach
    void setUp() {
        mockConfig = mock(Configuration.class);
        mockContext = mock(CIFSContext.class);
        mockRequest = mock(Smb2NegotiateRequest.class);