public class DefaultMavenMetadataCache implements MavenMetadataCache {

    protected final Map<CacheKey, CacheRecord> cache = new ConcurrentHashMap<>();

    /**
     * CacheKey
     */
    public static class CacheKey {
        private final Artifact artifact;
        private final long pomHash;
        private final boolean resolveManagedVersions;
        private final List<ArtifactRepository> repositories = new ArrayList<>();

    /**
     * Interned {@link PhaseId} instances.
     */
    private static final Map<String, PhaseId> INSTANCES = new WeakHashMap<>();

    /**
     * The execution point of this {@link PhaseId}.
     */
    private final PhaseExecutionPoint executionPoint;

    /**
     * The static phase that this dynamic phase belongs to.
     */
    private final String phase;

    /**

    return true;
  }

  @Override
  public int hashCode() {
    return 0;
  }

  @GwtIncompatible
  @J2ktIncompatible
  private static final class SerializedForm<C extends Comparable> implements Serializable {
    private final DiscreteDomain<C> domain;

    private SerializedForm(DiscreteDomain<C> domain) {
      this.domain = domain;
    }

    private Object readResolve() {

    // Slide new entry into first cache position. Drop previous entry in second cache position.
    cacheEntry2 = cacheEntry1;
    cacheEntry1 = entry;
  }

  private static final class CacheEntry<K, V> {
    final K key;
    final V value;

    CacheEntry(K key, V value) {
      this.key = key;
      this.value = value;
    }
  }

    private final Logger logger = LoggerFactory.getLogger(getClass());
    private final ModelBuilder modelBuilder;
    private final ProjectBuildingHelper projectBuildingHelper;
    private final MavenRepositorySystem repositorySystem;
    private final ProjectDependenciesResolver dependencyResolver;
    private final RootLocator rootLocator;
    private final LifecycleBindingsInjector lifecycleBindingsInjector;

    private class ResolveTask implements Runnable {

        private final ClassLoader classLoader;

        private final CountDownLatch latch;

        private final Artifact artifact;

        private final RepositorySystemSession session;

        private final List<ArtifactRepository> remoteRepositories;

        private final ArtifactResolutionResult result;

        ResolveTask(

/**
 * Source of {@link LongAddable} objects that deals with GWT and all that.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
final class LongAddables {
  public static LongAddable create() {
    return new JavaUtilConcurrentLongAdder();
  }

  private static final class JavaUtilConcurrentLongAdder extends LongAdder implements LongAddable {}

  private LongAddables() {}

     *
     * @param server the server name to connect to
     * @param access the desired access rights
     * @param policyHandle the policy handle to be populated
     */
    public MsrpcSamrConnect2(final String server, final int access, final SamrPolicyHandle policyHandle) {
        super(server, access, policyHandle);
        this.ptype = 0;
        this.flags = DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG;
    }

 */
public class NdrException extends IOException {

    /**
     * Error message for null reference pointers.
     */
    public static final String NO_NULL_REF = "ref pointer cannot be null";

    /**
     * Error message for invalid array conformance.
     */
    public static final String INVALID_CONFORMANCE = "invalid array conformance";

    /**
     * Constructs an NdrException with the specified error message.
     *

     * @param policyHandle the LSA policy handle
     * @param level the information level to query
     * @param info the object to store the query results
     */
    public MsrpcQueryInformationPolicy(final LsaPolicyHandle policyHandle, final short level, final NdrObject info) {
        super(policyHandle, level, info);
        ptype = 0;
        flags = DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG;
    }