* specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.lifecycle.internal.concurrent;

import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;

import org.apache.maven.api.Lifecycle;
import org.apache.maven.api.model.Plugin;
import org.apache.maven.plugin.descriptor.PluginDescriptor;

 */
package jcifs.util;

import java.lang.ref.PhantomReference;
import java.lang.ref.Reference;
import java.lang.ref.ReferenceQueue;
import java.lang.ref.WeakReference;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;

 */
package org.codelibs.core.beans.util;

import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.hamcrest.CoreMatchers.sameInstance;
import static org.junit.Assert.assertThat;

import java.sql.Time;
import java.sql.Timestamp;
import java.util.Date;

import org.codelibs.core.beans.converter.DateConverter;

import static org.codelibs.core.collection.EnumerationIterator.iterable;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.io.File;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

import org.codelibs.core.lang.ClassUtil;
import org.codelibs.core.zip.ZipInputStreamUtil;

/**
 * Handler for traversing and processing classes.

import java.time.ZoneId;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.Set;
import java.util.TimeZone;
import java.util.UUID;

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

import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Base64;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

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

    assertThat(Optional.toJavaUtil(null)).isNull();
    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;

/**

 */
package org.apache.maven.plugin.internal;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;

import org.apache.maven.RepositoryUtils;
import org.apache.maven.api.DependencyScope;
import org.apache.maven.impl.InternalSession;

 * under the License.
 */
package org.apache.maven.cling.invoker;

import java.nio.file.Path;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import java.util.Properties;
import java.util.ServiceLoader;
import java.util.function.UnaryOperator;

import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.annotations.Nullable;