checkNotNull(endpoints);
    if (!isOrderingCompatible(endpoints)) {
      return false;
    }
    return hasEdgeConnecting(endpoints.nodeU(), endpoints.nodeV());
  }

  /**
   * Throws an IllegalArgumentException if the ordering of {@code endpoints} is not compatible with
   * the directionality of this graph.
   */
  protected final void validateEndpoints(EndpointPair<?> endpoints) {

                    + ((ByteArrayOutputStream) out2).toString(CoreLibConstants.UTF_8);
        } catch (final IOException e) {
            throw new SuggesterException(e);
        }
    }

    private static OutputStream getXContentOutputStream(final Map<String, Object> firstLineMap) throws IOException {
        try (XContentBuilder builder = JsonXContent.contentBuilder().map(firstLineMap)) {
            builder.flush();

            AltRes(Throwable t) {
                this.t = t;
            }
        }
    }

    @SuppressWarnings("unchecked")
    static <T extends Throwable> void uncheckedThrow(Throwable t) throws T {
        throw (T) t; // rely on vacuous cast
    }

        } catch (final CrawlerSystemException e) {
            closeResources(httpRequest, responseData);
            throw e;
        } catch (final Exception e) {
            closeResources(httpRequest, responseData);
            throw new CrawlerSystemException("Failed to access " + url, e);
        } finally {
            EntityUtils.consumeQuietly(httpEntity);

    public void storeInLocalRepository(ArtifactRepository localRepository, ArtifactRepository remoteRepository)
            throws RepositoryMetadataStoreException {
        try {
            updateRepositoryMetadata(localRepository, remoteRepository);
        } catch (IOException | XMLStreamException e) {
            throw new RepositoryMetadataStoreException("Error updating group repository metadata", e);
        }
    }

  abstract boolean isDone();

  /**
   * Do interruptible work here - do not complete Futures here, as their listeners could be
   * interrupted.
   */
  @ParametricNullness
  abstract T runInterruptibly() throws Exception;

  /**
   * Any interruption that happens as a result of calling interruptTask will arrive before this
   * method is called. Complete Futures here.
   */

        if (StringUtil.isBlank(url)) {
            throw new PluginException("url is blank: " + artifact.getName());
        }
        if (url.startsWith("http:") || url.startsWith("https:")) {
            try (final CurlResponse response = createCurlRequest(url).execute()) {
                if (response.getHttpStatusCode() != 200) {

   * {@code int} value in little-endian order.
   *
   * @throws IllegalStateException if {@code bits() < 32}
   */
  public abstract int asInt();

  /**
   * Returns the first eight bytes of {@linkplain #asBytes() this hashcode's bytes}, converted to a
   * {@code long} value in little-endian order.
   *
   * @throws IllegalStateException if {@code bits() < 64}
   */
  public abstract long asLong();

  public void testConstructor() {
    AtomicDoubleArray aa = new AtomicDoubleArray(SIZE);
    for (int i = 0; i < SIZE; i++) {
      assertBitEquals(0.0, aa.get(i));
    }
  }

  /** constructor with null array throws NPE */
  public void testConstructor2NPE() {
    double[] a = null;
    assertThrows(NullPointerException.class, () -> new AtomicDoubleArray(a));
  }

  /** constructor with array is of same size and has all elements */

  public Type type() {
    return type;
  }

  /**
   * Returns the {@link Comparator} used.
   *
   * @throws UnsupportedOperationException if comparator is not defined
   */
  public Comparator<T> comparator() {
    if (comparator != null) {
      return comparator;
    }
    throw new UnsupportedOperationException("This ordering does not define a comparator.");
  }

  @Override