assertNull(Optional.toJavaUtil(null));
    assertEquals(java.util.Optional.empty(), Optional.toJavaUtil(Optional.absent()));
    assertEquals(java.util.Optional.of("abc"), Optional.toJavaUtil(Optional.of("abc")));
  }

  public void testToJavaUtil_instance() {
    assertEquals(java.util.Optional.empty(), Optional.absent().toJavaUtil());
    assertEquals(java.util.Optional.of("abc"), Optional.of("abc").toJavaUtil());
  }

import com.google.common.testing.SerializableTester;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import junit.framework.TestSuite;

/**

 * 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;


import java.net.InetAddress;
import java.net.UnknownHostException;


/**
 * 
 * This is an internal API for resolving names
 * 
 * @author mbechler
 * @internal
 */
public interface NameServiceClient {

    /**

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;

import java.io.DataOutput;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.UnknownHostException;
import java.util.Arrays;
import java.util.Collection;
import java.util.Map;
import java.util.Random;

import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;

 * under the License.
 */
package org.apache.maven.model.building;

import java.beans.BeanInfo;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Collections;
import java.util.List;
import java.util.Objects;

import org.apache.maven.model.Model;
import org.junit.jupiter.api.Test;

import java.util.ArrayDeque;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.Deque;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.PriorityQueue;
import java.util.Queue;
import javax.annotation.CheckForNull;

import com.google.common.util.concurrent.MoreExecutors;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.Delayed;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.ThreadPoolExecutor.CallerRunsPolicy;
import java.util.concurrent.TimeUnit;

/**

import com.google.common.base.Supplier;
import com.google.common.collect.ImmutableList;
import com.google.common.primitives.Ints;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

/** A benchmark comparing the various striped implementations. */
@VmOptions({"-Xms12g", "-Xmx12g", "-d64"})

import com.google.common.base.Supplier;
import com.google.common.collect.ImmutableList;
import com.google.common.primitives.Ints;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

/** A benchmark comparing the various striped implementations. */
@VmOptions({"-Xms12g", "-Xmx12g", "-d64"})

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.artifact.testutils;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.codehaus.plexus.util.FileUtils;

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