}

    /**
     * Inner class for handling updates to the character mapping file.
     * This class manages the temporary file creation, writing operations,
     * and atomic updates to ensure data consistency during modifications.
     */
    protected class MappingUpdater implements Closeable {

        /** Flag indicating whether changes should be committed to the file. */

import static java.security.AccessController.doPrivileged;
import static java.util.Objects.requireNonNull;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.atomic.AtomicReferenceFieldUpdater.newUpdater;
import static java.util.logging.Level.SEVERE;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.VisibleForTesting;

 */
package org.codelibs.fess.exec;

import java.io.File;
import java.lang.management.ManagementFactory;
import java.time.LocalDateTime;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicInteger;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.misc.DynamicProperties;

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.rdma;

import java.util.concurrent.atomic.AtomicLong;

/**
 * RDMA performance statistics and monitoring.
 *
 * This class tracks various RDMA operation metrics for performance
 * monitoring and troubleshooting purposes.
 */
public class RdmaStatistics {

import java.io.File;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.concurrent.CommonPoolUtil;
import org.codelibs.core.io.CloseableUtil;

import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.Consumer;

import org.codelibs.fess.Constants;
import org.codelibs.fess.unit.UnitFessTestCase;

public class ThreadDumpUtilTest extends UnitFessTestCase {

        }
    }
}
```

### 4.2 Channel Information
```java
package jcifs.internal.smb2.multichannel;

import jcifs.smb.SmbTransport;
import java.util.concurrent.atomic.AtomicLong;

public class ChannelInfo {
    private final String channelId;
    private final SmbTransport transport;
    private final NetworkInterfaceInfo localInterface;

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

import java.util.Arrays;
import java.util.concurrent.atomic.AtomicLong;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.SmbFileHandle;
import jcifs.internal.smb1.com.SmbComBlankResponse;

        B = HH(B, C, D, A, X[15], 15);

        context[0] += A;
        context[1] += B;
        context[2] += C;
        context[3] += D;
    }

    // The basic MD4 atomic functions.

    private int FF(final int a, final int b, final int c, final int d, final int x, final int s) {
        final int t = a + (b & c | ~b & d) + x;
        return t << s | t >>> 32 - s;
    }

import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import org.jspecify.annotations.Nullable;

/**
 * An implementation of {@link GraphConnections} for directed graphs.
 *
 * @author James Sexton
 * @author Jens Nyman