@Override
    public String toString() {
      return "IncompatibleKeyType";
    }
  }

  protected final boolean supportsPut;
  protected final boolean supportsRemove;
  protected final boolean supportsClear;
  protected final boolean allowsNullKeys;
  protected final boolean allowsNullValues;
  protected final boolean supportsIteratorRemove;

  /**
   * Creates a new, empty instance of the class under test.
   *

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class AbstractMultisetTester<E> extends AbstractCollectionTester<E> {
  protected final Multiset<E> getMultiset() {
    return (Multiset<E>) collection;
  }

  protected void initThreeCopies() {
    collection = getSubjectGenerator().create(e0(), e0(), e0());
  }

    private final SortedMultiset<E> backingMultiset;

    StandardImplForwardingSortedMultiset(SortedMultiset<E> backingMultiset) {
      this.backingMultiset = backingMultiset;
    }

    @Override
    protected SortedMultiset<E> delegate() {
      return backingMultiset;
    }

    @Override
    public SortedMultiset<E> descendingMultiset() {
      return new StandardDescendingMultiset() {

        @Override

    CountDownLatch latch = new CountDownLatch(1);
    Object unused =
        new Object() {
          @SuppressWarnings({"removal", "Finalize"}) // b/260137033
          @Override
          protected void finalize() {
            latch.countDown();
          }
        };
    unused = null; // Hint to the JIT that unused is unreachable
    GcFinalization.await(latch);
    assertEquals(0, latch.getCount());
  }

 */
@Experimental
abstract class BaseRequest<S extends ProtoSession> implements Request<S> {

    private final S session;
    private final RequestTrace trace;

    protected BaseRequest(@Nonnull S session) {
        this(session, null);
    }

    protected BaseRequest(@Nonnull S session, RequestTrace trace) {
        this.session = requireNonNull(session, "session cannot be null");
        this.trace = trace;
    }

     * @return the result of the upgrade operation
     */
    protected abstract UpgradeResult doApply(UpgradeContext context, Map<Path, Document> pomMap);

    /**
     * Gets the upgrade options from the context.
     *
     * @param context the upgrade context
     * @return the upgrade options
     */
    protected final UpgradeOptions getOptions(UpgradeContext context) {
        return context.options();

   * the directionality of this graph.
   */
  protected final void validateEndpoints(EndpointPair<?> endpoints) {
    checkNotNull(endpoints);
    checkArgument(isOrderingCompatible(endpoints), ENDPOINTS_MISMATCH);
  }

  protected final boolean isOrderingCompatible(EndpointPair<?> endpoints) {
    return endpoints.isOrdered() == this.isDirected();
  }

public class ArrayTableColumnTest extends ColumnTests {
  public ArrayTableColumnTest() {
    super(true, true, false, false, false);
  }

  @Override
  protected String getKeyNotInPopulatedMap() {
    throw new UnsupportedOperationException();
  }

  @Override
  protected Map<String, Integer> makeEmptyMap() {
    throw new UnsupportedOperationException();
  }

  @Override
  Table<String, Character, Integer> makeTable() {

  public static Test suite() {
    return new OpenJdk6SetTests().allTests();
  }

  @Override
  protected Collection<Method> suppressForTreeSetNatural() {
    return asList(
        getAddNullUnsupportedMethod(),
        getAddAllNullUnsupportedMethod(),
        getCreateWithNullUnsupportedMethod());
  }

  @Override
  protected Collection<Method> suppressForCheckedSet() {

// (for now at least).
// Implementations of the context may contain some state e.g. an execution
// environment, a traced representation etc.
class AbstractContext {
 protected:
  enum AbstractContextKind { kGraph, kMlir, kEager, kTfrt, kTape, kOpHandler };
  explicit AbstractContext(AbstractContextKind kind) : kind_(kind) {}
  virtual ~AbstractContext() {}

 public: