verify(mockContext).getTransportPool();
    }

    @Test
    @DisplayName("Should get DfsResolver")
    void testGetDfs() {
        // Given
        DfsResolver mockResolver = mock(DfsResolver.class);
        when(mockContext.getDfs()).thenReturn(mockResolver);

        // When
        DfsResolver resolver = mockContext.getDfs();

        // Then
        assertEquals(mockResolver, resolver);

import java.net.MalformedURLException;
import java.net.URLStreamHandler;

import jcifs.BufferCache;
import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.Credentials;
import jcifs.DfsResolver;
import jcifs.NameServiceClient;
import jcifs.SidResolver;
import jcifs.SmbPipeResource;
import jcifs.SmbResource;
import jcifs.SmbTransportPool;
import jcifs.netbios.NameServiceClientImpl;

class SmbTreeConnectionTest {

    @Mock
    CIFSContext ctx;

    @Mock
    Configuration config;

    @Mock
    Credentials credentials;

    @Mock
    DfsResolver dfsResolver;

    private SmbTreeConnection newConn() {
        return new SmbTreeConnection(ctx) {
        };
    }

    @BeforeEach
    void setup() {
        when(ctx.getConfig()).thenReturn(config);

        // When - get components multiple times
        Configuration config1 = context.getConfig();
        Configuration config2 = context.getConfig();
        DfsResolver dfs1 = context.getDfs();
        DfsResolver dfs2 = context.getDfs();
        BufferCache cache1 = context.getBufferCache();
        BufferCache cache2 = context.getBufferCache();

        // Then - should be same instances

import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import jcifs.BufferCache;
import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.Credentials;
import jcifs.DfsResolver;
import jcifs.NameServiceClient;
import jcifs.SidResolver;
import jcifs.SmbPipeResource;
import jcifs.SmbResource;
import jcifs.SmbTransportPool;
import jcifs.smb.NtlmPasswordAuthenticator;

import java.net.URLStreamHandler;

import jcifs.BufferCache;
import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.Credentials;
import jcifs.DfsResolver;
import jcifs.NameServiceClient;
import jcifs.SidResolver;
import jcifs.SmbPipeResource;
import jcifs.SmbResource;
import jcifs.SmbTransportPool;
import jcifs.smb.Handler;
import jcifs.smb.SmbFile;

     */
    SmbTransportPool getTransportPool();

    /**
     * Get the DFS resolver for handling distributed file system paths
     *
     * @return the DFS instance for this context
     */
    DfsResolver getDfs();

    /**
     * Get the SID resolver for resolving security identifiers
     *
     * @return the SID resolver for this context
     */
    SidResolver getSIDResolver();

    /**

- [ ] Add cluster node tracking
- [ ] Create failover coordination

#### 6.3 Integration Points
- Integrate with `CIFSContext` for witness support
- Modify `SmbTransport` for failover handling
- Update `DfsResolver` for witness-aware resolution

---

## Implementation Dependencies

```mermaid
graph TD
    A[SMB3 Leases] --> B[Directory Leasing]
    A --> C[Persistent Handles]
    C --> D[Multi-Channel]

import jcifs.CIFSContext;
import jcifs.DfsReferralData;
import jcifs.DfsResolver;
import jcifs.SmbTransport;
import jcifs.internal.dfs.DfsReferralDataImpl;
import jcifs.internal.dfs.DfsReferralDataInternal;

/**
 * Caching DFS resolver implementation
 *
 *
 * <p>This class is intended for internal use.</p>
 */
public class DfsImpl implements DfsResolver {