public final class Atomics {
  private Atomics() {}

  /**
   * Creates an {@code AtomicReference} instance with no initial value.
   *
   * @return a new {@code AtomicReference} with no initial value
   */
  public static <V> AtomicReference<@Nullable V> newReference() {
    return new AtomicReference<>();
  }

  /**
   * Creates an {@code AtomicReference} instance with the given initial value.
   *

  public void testGetUnchecked_checked() {
    final Exception cause = new Exception();
    final AtomicReference<Object> valueRef = new AtomicReference<>();
    LoadingCache<Object, Object> cache =
        new AbstractLoadingCache<Object, Object>() {
          @Override
          public Object get(Object key) throws ExecutionException {
            Object v = valueRef.get();
            if (v == null) {

                    }

                    @Override
                    protected boolean exec() {
                        try {
                            AtomicReference<Parent> modified = new AtomicReference<>();
                            ModelSource source = doResolveModel(parent, modified);
                            result = new Result(source, modified.get(), null);

        parent.setGroupId("org.apache");
        parent.setArtifactId("apache");
        parent.setVersion("(,2.0)");

        AtomicReference<org.apache.maven.api.model.Parent> modified = new AtomicReference<>();
        assertNotNull(this.newModelResolver().resolveModel(parent.getDelegate(), modified));
        assertEquals("1", modified.get().getVersion());
    }

    @Test

  public void testGetUnchecked_checked() {
    final Exception cause = new Exception();
    final AtomicReference<Object> valueRef = new AtomicReference<>();
    LoadingCache<Object, Object> cache =
        new AbstractLoadingCache<Object, Object>() {
          @Override
          public Object get(Object key) throws ExecutionException {
            Object v = valueRef.get();
            if (v == null) {

   * That is, even if exactly the same method works from inside the common.eventbus package tests,
   * it can fail here.
   */
  public void testAnonymous() {
    final AtomicReference<String> holder = new AtomicReference<>();
    final AtomicInteger deliveries = new AtomicInteger();
    EventBus bus = new EventBus();
    bus.register(
        new Object() {
          @Subscribe

   * That is, even if exactly the same method works from inside the common.eventbus package tests,
   * it can fail here.
   */
  public void testAnonymous() {
    final AtomicReference<String> holder = new AtomicReference<>();
    final AtomicInteger deliveries = new AtomicInteger();
    EventBus bus = new EventBus();
    bus.register(
        new Object() {
          @Subscribe

 *
 * @since 3.0
 */
@Named
@Singleton
public class DefaultLegacySupport implements LegacySupport {

    private static final ThreadLocal<AtomicReference<MavenSession>> SESSION = new InheritableThreadLocal<>();

    public void setSession(MavenSession session) {
        AtomicReference<MavenSession> reference = DefaultLegacySupport.SESSION.get();
        if (reference != null) {
            reference.set(null);
        }

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicReference;
import java.util.stream.Collectors;

import org.apache.maven.api.ArtifactCoordinate;
import org.apache.maven.api.Session;
import org.apache.maven.api.Version;
import org.apache.maven.api.annotations.Nonnull;

    final AtomicBoolean actualIsOccupiedByCurrentThread = new AtomicBoolean();
    final AtomicInteger actualOccupiedDepth = new AtomicInteger();
    final AtomicReference<Throwable> thrown = new AtomicReference<>();
    joinUninterruptibly(
        startThread(
            new Runnable() {
              @Override
              public void run() {
                try {