if (node2.metadata == null) {
                return metadata == null;
            }

            return metadata != null && metadata.toString().equals(node2.metadata.toString());
        } else {
            return super.equals(obj);
        }
    }

    @Override
    public int hashCode() {
        if (metadata == null) {
            return super.hashCode();
        }

            return e.getMessage();
        }
    }

    /**
     * Gets the expiration time for thumbnails.
     *
     * @return the expiration time in milliseconds
     */
    public long getExpiry() {
        return expiry;
    }

    /**
     * Sets the expiration time for thumbnails.
     *
     * @param expiry the expiration time in milliseconds (must be positive)

        unfilteredItr.remove();
        return true;
      }
    }
    return false;
  }

  @Override
  public boolean removeAll(Collection<?> c) {
    return Iterables.removeIf(
        multimap.unfiltered().entries(),
        and(multimap.entryPredicate(), valuePredicateOnEntries(in(c))));
  }

  @Override
  public boolean retainAll(Collection<?> c) {
    return Iterables.removeIf(

        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    protected int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    public String toString() {

        return classpath == null ? null : classpath.iterator();
    }

    // -------------------------------------------------------------------------------------------
    public ClasspathContainer add(ArtifactMetadata md) {
        if (classpath == null) {
            classpath = new ArrayList<>(16);
        }

        classpath.add(md);

        return this;
    }

        } catch (InvalidVersionSpecificationException e) {
            return null;
        }

        return artifactFactory.createPluginArtifact(plugin.getGroupId(), plugin.getArtifactId(), versionRange);
    }

    @Override
    public Artifact createProjectArtifact(String groupId, String artifactId, String version) {
        return createArtifact(groupId, artifactId, version, "pom");
    }

    @Override

    Subscriber toSubscriber() throws Exception {
      return Subscriber.create(eventBus, this, subscriberMethod());
    }

    SubscriberExceptionContext toContext() {
      return new SubscriberExceptionContext(eventBus, new Object(), this, subscriberMethod());
    }

    private static Method subscriberMethod() {
      try {
        return DummySubscriber.class.getMethod("handle", Object.class);

     *
     * @param file the file (must not be {@literal null})
     * @return a {@link FileOutputStream} to output to the file
     * @see FileOutputStream#FileOutputStream(File)
     */
    public static FileOutputStream create(final File file) {
        assertArgumentNotNull("file", file);

        try {
            return new FileOutputStream(file);
        } catch (final IOException e) {

    return transform(inputFuture, new ComposeFunction(), directExecutor());
  }

  @Override
  protected String getSuccessfulResult() {
    return RESULT_DATA;
  }

  private class ComposeFunction implements Function<Integer, String> {
    @Override
    public String apply(Integer input) {
      if (input.intValue() == VALID_INPUT_DATA) {
        return RESULT_DATA;
      } else {

    return comparator.compare(a, b);
  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object == this) {
      return true;
    }
    if (object instanceof ComparatorOrdering) {
      ComparatorOrdering<?> that = (ComparatorOrdering<?>) object;
      return this.comparator.equals(that.comparator);
    }
    return false;
  }

  @Override