* and accessing SMB authentication credentials.
 *
 * @author mbechler
 */
public interface CredentialsInternal extends Cloneable, Credentials {

    /**
     * Create a copy of the credentials.
     * @return a copy of the credentials
     */
    CredentialsInternal clone();

    /**
     * Create an SSP context for authentication.
     * @param tc the CIFS context

        CredentialsInternal ci = (CredentialsInternal) impl;
        CredentialsInternal cloned = ci.clone();
        assertNotNull(cloned, "clone() should return a non-null CredentialsInternal");
    }

 * automatically renewed during long-running operations.
 *
 * @author mbechler
 */
public interface SmbRenewableCredentials extends CredentialsInternal {

    /**
     * Renew the credentials
     *
     * @return the renewed credentials
     */
    CredentialsInternal renew();

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.context;

import jcifs.CIFSContext;
import jcifs.Credentials;
import jcifs.smb.CredentialsInternal;
import jcifs.smb.NtlmAuthenticator;
import jcifs.smb.NtlmPasswordAuthenticator;
import jcifs.smb.SmbAuthException;
import jcifs.smb.SmbRenewableCredentials;

/**

public class SimpleMemoryManagementTest {

    private CIFSContext mockContext;
    private SmbTransportImpl mockTransport;
    private Configuration mockConfig;
    private Credentials mockCredentials;
    private CredentialsInternal mockCredentialsInternal;

    @BeforeEach
    public void setUp() {
        mockContext = Mockito.mock(CIFSContext.class);
        mockTransport = Mockito.mock(SmbTransportImpl.class);

import jcifs.SidResolver;
import jcifs.SmbPipeResource;
import jcifs.SmbResource;
import jcifs.SmbTransportPool;
import jcifs.netbios.NameServiceClientImpl;
import jcifs.smb.BufferCacheImpl;
import jcifs.smb.CredentialsInternal;
import jcifs.smb.DfsImpl;
import jcifs.smb.Handler;
import jcifs.smb.NtlmPasswordAuthenticator;
import jcifs.smb.SIDCacheImpl;
import jcifs.smb.SmbFile;
import jcifs.smb.SmbNamedPipe;

            return null;
        }
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.SmbRenewableCredentials#renew()
     */
    @Override
    public CredentialsInternal renew() {
        log.debug("Renewing credentials");
        this.cachedSubject = null;
        getSubject();
        return this;
    }

    /**
     * {@inheritDoc}
     *