import com.google.common.testing.TearDownStack;
import com.google.common.util.concurrent.testing.TestingExecutors;
import java.lang.Thread.UncaughtExceptionHandler;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;

 * governing permissions and limitations under the License.
 */
package org.codelibs.core.convert;

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

import java.util.Calendar;
import java.util.Locale;
import java.util.TimeZone;

/**
 * Utility class for conversions related to {@link Calendar}.
 *
 * @author higa
 */
public abstract class CalendarConversionUtil {

    /**

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

import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.Set;
import java.util.function.UnaryOperator;
import java.util.stream.Collectors;

import org.apache.maven.RepositoryUtils;
import org.apache.maven.api.Service;

import java.lang.ref.WeakReference;
import java.lang.reflect.Array;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.WeakHashMap;

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

import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Consumer;
import java.util.stream.Stream;

import org.apache.maven.api.Lifecycle;
import org.apache.maven.api.cli.InvokerException;

import java.io.Serializable;
import java.util.AbstractMap.SimpleEntry;
import java.util.AbstractSequentialList;
import java.util.Collection;
import java.util.ConcurrentModificationException;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.NoSuchElementException;
import java.util.Set;

 * under the License.
 */
package org.apache.maven.cli.transfer;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CountDownLatch;
import java.util.function.Consumer;

import org.eclipse.aether.transfer.AbstractTransferListener;

import com.google.common.annotations.GwtCompatible;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.function.BiPredicate;
import java.util.stream.Collector;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**

 * the License.
 */

package com.google.common.util.concurrent;

import static com.google.common.util.concurrent.MoreExecutors.newThread;
import static com.google.common.util.concurrent.MoreExecutors.renamingDecorator;
import static com.google.common.util.concurrent.Platform.restoreInterruptIfIsInterruptedException;

import com.google.common.annotations.GwtIncompatible;

 * limitations under the License.
 */

package com.google.common.util.concurrent;

import static com.google.common.truth.Truth.assertThat;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static org.junit.Assert.assertThrows;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;