if (witnessClient != null) {
        witnessClient.close();
    }
    super.logoff();
}
```

### 5.2 Tree Connection Integration
```java
// In SmbTree.java
public void connectWithWitnessSupport() throws IOException {
    // Perform normal tree connection
    super.connect();
    
    // Register for witness notifications for this share
    if (session.isWitnessEnabled()) {

import static com.google.common.collect.testing.Helpers.assertEqualInOrder;
import static com.google.common.collect.testing.Platform.format;
import static java.util.Arrays.asList;
import static java.util.Collections.unmodifiableSet;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;
import static junit.framework.Assert.fail;

import static com.google.common.collect.testing.Helpers.assertEqualInOrder;
import static com.google.common.collect.testing.Platform.format;
import static java.util.Arrays.asList;
import static java.util.Collections.unmodifiableSet;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;
import static junit.framework.Assert.fail;

                // ERR_SSN_SRVC
                Arguments.of(NbtException.ERR_SSN_SRVC, NbtException.CONNECTION_REFUSED, "ERR_SSN_SRVC/Connection refused"),
                Arguments.of(NbtException.ERR_SSN_SRVC, NbtException.NOT_LISTENING_CALLED, "ERR_SSN_SRVC/Not listening on called name"),

      ProtocolException::class.java,
      "Expected 'Connection' header value 'Upgrade' but was 'null'",
    )
    webSocket.cancel()
  }

  @Test
  @Throws(IOException::class)
  fun wrongConnectionHeader() {
    webServer.enqueue(
      MockResponse
        .Builder()
        .code(101)
        .setHeader("Upgrade", "websocket")
        .setHeader("Connection", "Downgrade")

			nanoDigits[i] = c
		}
	}
	nsecs, _ := strconv.ParseInt(string(nanoDigits[:]), 10, 64) // Must succeed after validation
	if len(ss) > 0 && ss[0] == '-' {
		return time.Unix(secs, -1*nsecs), nil // Negative correction
	}
	return time.Unix(secs, nsecs), nil
}

// formatPAXTime converts ts into a time of the form %d.%d as described in the
// PAX specification. This function is capable of negative timestamps.

 */
package org.codelibs.fess.helper;

import java.io.File;
import java.nio.file.Path;
import java.time.ZoneId;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.concurrent.atomic.AtomicReference;
import java.util.stream.Collectors;

 */
package org.codelibs.fess.suggest.settings;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.regex.Pattern;

 */
package org.codelibs.fess.helper;

import static org.codelibs.core.stream.StreamUtil.stream;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedQueue;

import static com.google.common.collect.BoundType.CLOSED;
import static com.google.common.collect.BoundType.OPEN;
import static com.google.common.collect.ReflectionFreeAssertThrows.assertThrows;
import static java.util.Collections.unmodifiableList;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;