private static final Object duh = new Object();

  @Param Mode mode;

  enum Mode {
    LAZY_STACK_TRACE {
      @Override
      List<StackTraceElement> getStackTrace(Throwable t) {
        return lazyStackTrace(t);
      }
    },
    GET_STACK_TRACE {
      @Override
      List<StackTraceElement> getStackTrace(Throwable t) {
        return asList(t.getStackTrace());
      }
    };

   * result of a <i>future</i> call to {@code next()}.
   */
  protected abstract @Nullable T computeNext(T previous);

  @Override
  public final boolean hasNext() {
    return nextOrNull != null;
  }

  @Override
  public final T next() {
    if (nextOrNull == null) {
      throw new NoSuchElementException();
    }
    T oldNext = nextOrNull;

        return missingParameters.values();
    }

    @Override
    public void notifyFieldChangeUsingSetter(String fieldName, Object value, Object target) {
        delegate.notifyFieldChangeUsingSetter(fieldName, value, target);

        if (mojo == target) {
            notify(fieldName, value);
        }
    }

    @Override

        }
    }

    @Override
    public void printStackTrace(final PrintStream s) {
        super.printStackTrace(s);

        int count = 1;
        for (final Throwable t : throwables) {
            s.println("Cause #" + count + ":");
            t.printStackTrace(s);
            count++;
        }
    }

    @Override
    public void printStackTrace(final PrintWriter s) {

  // Avoid Long.hashCode(long) which isn't available on Android 5.
  override fun hashCode(): Int {
    var result = 0
    result = 31 * result + tagClass
    result = 31 * result + tag.toInt()
    result = 31 * result + (if (constructed) 0 else 1)
    result = 31 * result + length.toInt()
    return result
  }

  override fun toString(): String = "$tagClass/$tag"

  companion object {

        selector.addProfileActivator(new ProfileActivator() {
            @Override
            public boolean isActive(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
                throw new RuntimeException("BOOM");
            }

            @Override
            public boolean presentInConfig(

  }

  @Override
  protected final Iterable<? extends Stimulus<E, ? super ListIterator<E>>> getStimulusValues() {
    List<Stimulus<E, ? super ListIterator<E>>> list = new ArrayList<>();
    Helpers.addAll(list, iteratorStimuli());
    Helpers.addAll(list, listIteratorStimuli());
    return list;
  }

  @Override
  protected abstract ListIterator<E> newTargetIterator();

    void test() throws Exception {
        Files.walkFileTree(Paths.get("target"), new SimpleFileVisitor<Path>() {
            Pattern mavenArtifactJar = Pattern.compile("maven-artifact-[\\d.]+(-SNAPSHOT)?\\.jar");

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                String filename = file.getFileName().toString();

    InternerFunction(Interner<E> interner) {
      this.interner = interner;
    }

    @Override
    public E apply(E input) {
      return interner.intern(input);
    }

    @Override
    public int hashCode() {
      return interner.hashCode();
    }

    @Override
    public boolean equals(@Nullable Object other) {
      if (other instanceof InternerFunction) {

        @Option(name = "-d", aliases = "--dataConfigIds", metaVar = "dataConfigIds", usage = "Data Config IDs")
        public String dataConfigIds;

        /** Path to properties file for system configuration overrides. */
        @Option(name = "-p", aliases = "--properties", metaVar = "properties", usage = "Properties File")
        public String propertiesPath;