*/
    boolean isTrustedDomain(CIFSContext tf, String domain) throws CIFSException;

    /**
     * Get a connection to the domain controller for a given domain
     *
     * @param tf the CIFS context
     * @param domain the domain name
     * @return connection to the domain controller
     * @throws CIFSException if the connection fails
     */
    SmbTransport getDc(CIFSContext tf, String domain) throws CIFSException;

    public boolean isGroupAddress(final CIFSContext tc) throws UnknownHostException {
        checkData(tc);
        return this.groupName;
    }

    @Override
    public int getNodeType(final CIFSContext tc) throws UnknownHostException {
        checkData(tc);
        return this.nodeType;
    }

    @Override
    public boolean isBeingDeleted(final CIFSContext tc) throws UnknownHostException {

}
```

### With Authentication

```java
import jcifs.CIFSContext;
import jcifs.context.BaseContext;
import jcifs.smb.NtlmPasswordAuthenticator;

// Create context with credentials
CIFSContext context = new BaseContext(new jcifs.config.PropertyConfiguration());
NtlmPasswordAuthenticator auth = new NtlmPasswordAuthenticator("domain", "username", "password");
CIFSContext authContext = context.withCredentials(auth);

     * @return resolved name, null if not found
     */
    public synchronized NbtAddress getByName(final String host, final CIFSContext tc) {
        return getByName(new Name(tc.getConfig(), host, 0x20, null), tc);
    }

    synchronized NbtAddress getByName(final Name name, final CIFSContext tc) {
        NbtAddress result = null;

        try {
            if (tc.getConfig().getLmHostsFileName() != null) {

import jcifs.smb.SmbFile;
import jcifs.smb.SmbNamedPipe;

class CIFSContextWrapperTest {

    private CIFSContext mockDelegate;
    private Configuration mockConfiguration;
    private CIFSContextWrapper cifsContextWrapper;

    @BeforeEach
    void setUp() {
        mockDelegate = mock(CIFSContext.class);
        mockConfiguration = mock(Configuration.class);

    boolean isActive(CIFSContext tc) throws UnknownHostException;

    /**
     * Determines if this address is set to be permanent.
     *
     * @param tc
     *            context to use
     * @return whether this address is permanent
     *
     * @throws UnknownHostException
     *             if the host cannot be resolved to find out.
     */
    boolean isPermanent(CIFSContext tc) throws UnknownHostException;

import java.io.IOException;
import java.security.GeneralSecurityException;
import java.security.MessageDigest;
import java.util.LinkedList;
import java.util.List;

import javax.crypto.Cipher;

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.SmbConstants;
import jcifs.ntlmssp.av.AvFlags;
import jcifs.ntlmssp.av.AvPair;
import jcifs.ntlmssp.av.AvPairs;
import jcifs.ntlmssp.av.AvSingleHost;

import org.mockito.InOrder;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Credentials;

@ExtendWith(MockitoExtension.class)
class CredentialsInternalTest {

    @Mock
    CIFSContext mockContext;

    /**
     * Simple in-test implementation of CredentialsInternal to exercise the API surface.

     * @see jcifs.DfsResolver#resolve(jcifs.CIFSContext, java.lang.String, java.lang.String, java.lang.String)
     */
    @Override
    public DfsReferralData resolve(final CIFSContext tf, final String domain, final String root, final String path)
            throws SmbAuthException {
        return resolve(tf, domain, root, path, 5);
    }

            }
        }

    }

    /**
     *
     * {@inheritDoc}
     *
     * @see jcifs.SidResolver#getLocalGroupsMap(jcifs.CIFSContext, java.lang.String, int)
     */
    @Override
    public Map<jcifs.SID, List<jcifs.SID>> getLocalGroupsMap(final CIFSContext tc, final String authorityServerName, final int flags)
            throws CIFSException {
        final SID domSid = getServerSid(tc, authorityServerName);