public UnmodifiableIterator<E> descendingIterator() {
    return forward.iterator();
  }

  @Override
  @GwtIncompatible // NavigableSet
  ImmutableSortedSet<E> createDescendingSet() {
    throw new AssertionError("should never be called");
  }

  @Override
  public @Nullable E lower(E element) {
    return forward.higher(element);
  }

  @Override
  public @Nullable E floor(E element) {

    Thread interruptee = Thread.currentThread();
    new Thread(
            () -> {
              try {
                unit.sleep(time);
              } catch (InterruptedException wontHappen) {
                throw new AssertionError(wontHappen);
              }
              interruptee.interrupt();
            })
        .start();
  }

  static void repeatedlyInterruptTestThread(TearDownAccepter tearDownAccepter) {

        }
    }

    /**
     *
     */
    public class TestDisposable2 implements Disposable {
        @Override
        public void dispose() {
            ++count;
            throw new RuntimeException();
        }
    }

 */
public class StandaloneRestTestPlugin implements Plugin<Project> {
    @Override
    public void apply(final Project project) {
        if (project.getPluginManager().hasPlugin("elasticsearch.build")) {
            throw new InvalidUserDataException(
                "elasticsearch.standalone-test, elasticsearch.standalone-rest-test, " + "and elasticsearch.build are mutually exclusive"
            );
        }

        writeHeaders(response);
        try (PrintWriter out = new PrintWriter(new OutputStreamWriter(response.getOutputStream(), enc))) {
            out.print(text);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Writes custom headers to the HTTP response.
     * @param response The HTTP servlet response.
     */

  }

  @CollectionFeature.Require(absent = SUPPORTS_ADD)
  @CollectionSize.Require(absent = ZERO)
  public void testAdd_unsupportedPresent() {
    try {
      assertFalse("add(present) should return false or throw", collection.add(e0()));
    } catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
  }

  @CollectionFeature.Require(
      value = {SUPPORTS_ADD, ALLOWS_NULL_VALUES},

        !equivalence.equivalent(itemInfo.value, unrelatedInfo.value));
  }

  private void assertWithTemplate(String template, Item<T> item, Item<T> other, boolean condition) {
    if (!condition) {
      throw new AssertionFailedError(
          template
              .replace("$RELATIONSHIP", relationshipName)
              .replace("$HASH", hashName)
              .replace("$ITEM", itemReporter.reportItem(item))

  }

  @CollectionFeature.Require(absent = SUPPORTS_ADD)
  @CollectionSize.Require(absent = ZERO)
  public void testAdd_unsupportedPresent() {
    try {
      assertFalse("add(present) should return false or throw", collection.add(e0()));
    } catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
  }

  @CollectionFeature.Require(
      value = {SUPPORTS_ADD, ALLOWS_NULL_VALUES},

  }

  @ListFeature.Require(absent = SUPPORTS_ADD_WITH_INDEX)
  public void testAddAllAtIndex_unsupportedNothing() {
    try {
      assertFalse(
          "addAll(n, nothing) should return false or throw",
          getList().addAll(0, emptyCollection()));
    } catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
  }

  @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX)

        int n = readn(in, buffer, bufferIndex, HEADER_LENGTH);
        if (n != HEADER_LENGTH) {
            if (n == -1) {
                return -1;
            }
            throw new IOException("unexpected EOF reading netbios session header");
        }
        return buffer[bufferIndex] & 0xFF;
    }

    int type, length;

    /**