import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;
import static java.util.concurrent.TimeUnit.DAYS;
import static java.util.concurrent.TimeUnit.HOURS;
import static java.util.concurrent.TimeUnit.MINUTES;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.junit.Assert.assertThrows;

import com.google.common.base.Suppliers;

    }
}
```

### 4.5 Persistent Handle Manager
```java
package jcifs.internal.smb2.persistent;

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.io.*;
import java.nio.file.*;

public class PersistentHandleManager {

import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;

package jcifs.smb1.util;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;

package org.apache.maven.plugin; public abstract synchronized class AbstractMojo implements Mojo, ContextEnabled { private logging.Log log; private java.util.Map pluginContext; public void AbstractMojo(); public void setLog(logging.Log); public logging.Log getLog(); public java.util.Map getPluginContext(); public void setPluginContext(java.util.Map); } org/apache/maven/plugin/AbstractMojoExecutio.class package org.apache.maven.plugin; public abstract synchronized class AbstractMojoExecutio extends...

import com.google.common.testing.SerializableTester;
import com.google.common.util.concurrent.Uninterruptibles;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.lang.Thread.UncaughtExceptionHandler;
import java.math.RoundingMode;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.stream.Stream;
import junit.framework.TestCase;

 */
package org.codelibs.core.jar;

import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.io.IOException;
import java.io.InputStream;
import java.util.jar.JarEntry;
import java.util.jar.JarInputStream;

import org.codelibs.core.exception.IORuntimeException;

/**
 * Utility class for {@link JarInputStream} operations.
 *
 * @author koichik
 */

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.suggest.index;

import java.util.ArrayList;
import java.util.List;

/**
 * Represents the response of a suggest delete operation.
 * This class contains information about any errors that occurred during the operation
 * and the time taken to complete the operation.

import java.util.regex.Pattern;

import org.apache.commons.lang3.RandomUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.ThreadUtil;
import org.codelibs.fess.opensearch.config.bsbhv.BsScheduledJobBhv;
import org.codelibs.fess.opensearch.config.exentity.ScheduledJob;
import org.codelibs.fess.util.ComponentUtil;

 * the License.
 */

package com.google.common.collect.testing;

import static com.google.common.collect.testing.Helpers.copyToList;
import static java.util.Arrays.asList;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.testing.testers.ConcurrentMapPutIfAbsentTester;
import com.google.common.collect.testing.testers.ConcurrentMapRemoveTester;