// even before the arguments from the command line are parsed.  Any exception
            // that would happen here should cause the build to fail at a later stage
            // (when actually parsing the POM) and will lead to a better exception being
            // displayed to the user, so just bail out and return false.
        }
        return false;
    }

        if (lookup == null) {
            return customLifecycles != null ? customLifecycles : new HashMap<>();
        }

        // Lifecycles cannot be cached as extensions might add custom lifecycles later in the execution.
        try {
            Map<String, Lifecycle> lifecycles = new HashMap<>(lookup.lookupMap(Lifecycle.class));
            for (org.apache.maven.api.Lifecycle lf : registry) {

   *
   * 1. visibility of the writes to these fields to Fire.run:
   *
   * The initial write to delegateRef is made definitely visible via the semantics of
   * addListener/SES.schedule. The later racy write in cancel() is not guaranteed to be observed,
   * however that is fine since the correctness is based on the atomic state in our base class. The

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

/**
 * Collects, flattens and resolves dependencies.
 */
@Experimental
public interface DependencyResolver extends Service {

    List<Node> flatten(Session session, Node node, PathScope scope) throws DependencyResolverException;

    /**
     * This method collects, flattens and resolves the dependencies.
     *
     * @param request the request to resolve

  }

  public void testEntrySetToArrayMutationThrows() {
    map.putInstance(String.class, "test");
    @SuppressWarnings("unchecked") // Should get a CCE later if cast is wrong
    Entry<?, Object> entry = (Entry<?, Object>) map.entrySet().toArray()[0];
    assertEquals(TypeToken.of(String.class), entry.getKey());
    assertEquals("test", entry.getValue());

import static org.apache.maven.internal.impl.Utils.nonNull;

@Named
@Singleton
public class DefaultDependencyResolver implements DependencyResolver {

    @Override
    public List<Node> flatten(Session s, Node node, PathScope scope) throws DependencyResolverException {
        InternalSession session = InternalSession.from(s);
        DependencyNode root = cast(AbstractNode.class, node, "node").getDependencyNode();

  @GwtIncompatible // Charset not supported by GWT
  public static final Charset US_ASCII = Charset.forName("US-ASCII");

  /**
   * ISO-8859-1: ISO Latin Alphabet Number 1 (ISO-LATIN-1).
   *
   * <p><b>Java 7+ users:</b> this constant should be treated as deprecated; use {@link
   * java.nio.charset.StandardCharsets#ISO_8859_1} instead.
   *
   */
  public static final Charset ISO_8859_1 = Charset.forName("ISO-8859-1");

  /**

   * (used as the reference iterator) against a {@code PeekingIterator} that *wraps* such an
   * iterator (used as the target iterator).
   *
   * <p>This IteratorTester makes copies of the master so that it can later verify that {@link
   * PeekingIterator#remove()} removes the same elements as the reference's iterator {@code
   * #remove()}.
   */

   *     {@code null} cause. Note, however, that passing an explicit {@code null} cause prevents
   *     anyone from calling {@link #initCause} later, so it is not quite equivalent to using a
   *     constructor that omits the cause.
   */
  @Deprecated
  protected UncheckedExecutionException() {}

  /**

  }

  public void testEntrySetToArrayMutationThrows() {
    map.putInstance(String.class, "test");
    @SuppressWarnings("unchecked") // Should get a CCE later if cast is wrong
    Entry<?, Object> entry = (Entry<?, Object>) map.entrySet().toArray()[0];
    assertEquals(TypeToken.of(String.class), entry.getKey());
    assertEquals("test", entry.getValue());