public static <K, V> ConcurrentNavigableMapTestSuiteBuilder<K, V> using(
      TestSortedMapGenerator<K, V> generator) {
    ConcurrentNavigableMapTestSuiteBuilder<K, V> result =
        new ConcurrentNavigableMapTestSuiteBuilder<>();
    result.usingGenerator(generator);
    return result;
  }

  @SuppressWarnings("rawtypes") // class literals
  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {

    Iterator<Entry<E>> entryIterator = entryIterator();
    if (entryIterator.hasNext()) {
      Entry<E> result = entryIterator.next();
      result = Multisets.immutableEntry(result.getElement(), result.getCount());
      entryIterator.remove();
      return result;
    }
    return null;
  }

  @Override
  public @Nullable Entry<E> pollLastEntry() {

                        // explicitly exclude. Set result and stop processing.
                        result = false;
                        break;
                    }
                }
                // check for exact match
                else if (repo.equals(originalId)) {
                    result = true;
                    break;
                }

    this.inverse = inverse;
  }

  @Override
  public ImmutableBiMap<V, K> inverse() {
    ImmutableBiMap<V, K> result = inverse;
    if (result == null) {
      return inverse = new SingletonImmutableBiMap<V, K>(singleValue, singleKey, this);
    } else {
      return result;
    }
  }

  @Override
  public ImmutableSet<V> values() {
    return ImmutableSet.of(singleValue);
  }

  @Override
  public SortedMultiset<E> descendingMultiset() {
    UnmodifiableSortedMultiset<E> result = descendingMultiset;
    if (result == null) {
      result = new UnmodifiableSortedMultiset<>(delegate().descendingMultiset());
      result.descendingMultiset = this;
      return descendingMultiset = result;
    }
    return result;
  }

  @Override
  public @Nullable Entry<E> firstEntry() {

		default:
			take(&required)
			take(&features)
		}
	}

	return ok
}

// aliasReplacer applies type aliases to earlier API files,
// to avoid misleading negative results.
// This makes all the references to os.FileInfo in go1.txt
// be read as if they said fs.FileInfo, since os.FileInfo is now an alias.
// If there are many of these, we could do a more general solution,

        };
    addCallback(future, callback, directExecutor());
    future.set(result);
    assertEquals(result, future.get());
    assertThat(successCalls[0]).isEqualTo(1);
    assertThat(failureCalls[0]).isEqualTo(0);
  }

  public void testOnSuccessThrowsError() throws Exception {
    SomeError error = new SomeError();
    String result = "result";
    SettableFuture<String> future = SettableFuture.create();

    protected boolean set(@Nullable V value) {
      boolean result = sync.set(value);
      if (result) {
        executionList.execute();
      }
      return result;
    }

    /**
     * Subclasses should invoke this method to set the result of the computation to an error, {@code
     * throwable}. This will set the state of the future to {@link OldAbstractFuture.Sync#COMPLETED}

    BigInteger result;
    do {
      result = randomNonNegativeBigInteger(numBits);
    } while (result.signum() == 0);
    return result;
  }

  /**
   * Generates a number in [0, 2^numBits) with an exponential distribution. The floor of the log2 of
   * the result is chosen uniformly at random in [0, numBits), and then the result is chosen in that

        String result = notifyChange.toString();

        assertNotNull(result);
        assertTrue(result.contains("NtTransNotifyChange"));
        assertTrue(result.contains("fid=0x" + Hexdump.toHexString(fid, 4)));
        assertTrue(result.contains("filter=0x" + Hexdump.toHexString(completionFilter, 4)));
        assertTrue(result.contains("watchTree=" + watchTree));
    }

    @Test