{true, true, ElementOrder.insertion(), ElementOrder.insertion()},
        });
  }

  private final boolean allowsSelfLoops;
  private final boolean allowsParallelEdges;
  private final ElementOrder<Integer> nodeOrder;
  private final ElementOrder<String> edgeOrder;

  private ImmutableNetwork.Builder<Integer, String> networkBuilder;

  public StandardImmutableDirectedNetworkTest(

    DONE,
    FAILED,
  }

  private @Nullable T next;

  protected abstract @Nullable T computeNext();

  @CanIgnoreReturnValue
  protected final @Nullable T endOfData() {
    state = State.DONE;
    return null;
  }

  @Override
  public final boolean hasNext() {
    checkState(state != State.FAILED);
    switch (state) {
      case DONE:
        return false;
      case READY:
        return true;

 */
@Deprecated(since = "4.0.0")
class ProblemDetectingValueSource implements ValueSource {

    private final ValueSource valueSource;

    private final String bannedPrefix;

    private final String newPrefix;

    private final ModelProblemCollector problems;

    ProblemDetectingValueSource(

 *
 * @see ProjectExecutionListener
 * @since 3.1.2
 */
public class ProjectExecutionEvent {

    private final MavenSession session;

    private final MavenProject project;

    private final List<MojoExecution> executionPlan;

    private final Throwable cause;

    public ProjectExecutionEvent(MavenSession session, MavenProject project) {
        this(session, project, null, null);
    }

      list.add(() -> integer.compareAndSet(expectedCount, expectedCount + 1), directExecutor());
    }
    list.execute();
    assertEquals(10, integer.get());
  }

  private static final class MockRunnable implements Runnable {
    final CountDownLatch countDownLatch;

    MockRunnable(CountDownLatch countDownLatch) {
      this.countDownLatch = countDownLatch;
    }

    @Override
    public void run() {

    }

    this.values = values;
  }

  @Override
  final void collectOneValue(int index, @ParametricNullness V returnValue) {
    @RetainedLocalRef List<@Nullable Present<V>> localValues = values;
    if (localValues != null) {
      localValues.set(index, new Present<>(returnValue));
    }
  }

  @Override
  final void handleAllCompleted() {

     */

    public synchronized static void setDefault(final NtlmAuthenticator a) {
        if (auth != null) {
            return;
        }
        auth = a;
    }

    /**
     * Gets the URL that is requesting authentication.
     * @return the URL requiring authentication
     */
    protected final String getRequestingURL() {
        return url;
    }

    /**

@GwtCompatible
@Immutable(containerOf = {"R", "C", "V"})
final class SparseImmutableTable<R, C, V> extends RegularImmutableTable<R, C, V> {
  static final ImmutableTable<Object, Object, Object> EMPTY =
      new SparseImmutableTable<>(ImmutableList.of(), ImmutableSet.of(), ImmutableSet.of());

  private final ImmutableMap<R, ImmutableMap<C, V>> rowMap;
  private final ImmutableMap<C, ImmutableMap<R, V>> columnMap;

    private static final String SYSTEM_JDK_VERSION = "11.0.2+9";
    private static final String SYSTEM_JDK_VENDOR = "openjdk";
    private static final String GRADLE_JDK_VERSION = "16.0.2+7";
    private static final String GRADLE_JDK_VENDOR = "adoptium";

    // all distributions used by distro tests. this is temporary until tests are per distribution
    private static final String EXAMPLE_PLUGIN_CONFIGURATION = "examplePlugin";

   * be added without necessarily executing immediately.
   */
  private static final class PerListenerQueue<L> implements Runnable {
    final L listener;
    final Executor executor;

    @GuardedBy("this")
    final Queue<ListenerCallQueue.Event<L>> waitQueue = new ArrayDeque<>();

    @GuardedBy("this")
    final Queue<Object> labelQueue = new ArrayDeque<>();

    @GuardedBy("this")