assertEmpty(getMultiset());
  }

  /**
   * Returns {@link Method} instances for the read tests that assume multisets support duplicates so
   * that the test of {@code Multisets.forSet()} can suppress them.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static List<Method> getElementSetDuplicateInitializingMethods() {
    return Arrays.asList(
        Helpers.getMethod(

        // in first step get parameter names of current goal
        Set<String> parametersNamesGoal = mojoDescriptor.getParameters().stream()
                .flatMap(this::getParameterNames)
                .collect(Collectors.toSet());

        Set<String> unknownParameters = getUnknownParameters(mojoExecution, parametersNamesGoal);

        if (unknownParameters.isEmpty()) {
            return;
        }

      }
    }.test();
  }

  /**
   * Returns {@link Method} instances for the tests that assume multisets support duplicates so that
   * the test of {@code Multisets.forSet()} can suppress them.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static List<Method> getIteratorDuplicateInitializingMethods() {
    return Arrays.asList(

    expectContents(contents);
  }

  /**
   * Returns {@link Method} instances for the remove tests that assume multisets support duplicates
   * so that the test of {@code Multisets.forSet()} can suppress them.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static List<Method> getRemoveDuplicateInitializingMethods() {
    return Arrays.asList(

        Collection<org.eclipse.aether.scope.DependencyScope> nonTransitiveDependencyScopes =
                allDependencyScopes.stream().filter(s -> !s.isTransitive()).collect(Collectors.toSet());
        org.eclipse.aether.scope.DependencyScope system = internalScopeManager
                .getDependencyScope(DependencyScope.SYSTEM.id())
                .orElse(null);

                .filter(a -> a.getVersion().startsWith("3."))
                .map(a -> a.getGroupId() + ":" + a.getArtifactId() + ":" + a.getVersion())
                .collect(Collectors.toSet());

        if (!mavenArtifacts.isEmpty()) {
            pluginValidationManager.reportPluginValidationIssue(
                    PluginValidationManager.IssueLocality.EXTERNAL,
                    session,

    expectContents(contents);
  }

  /**
   * Returns {@link Method} instances for the remove tests that assume multisets support duplicates
   * so that the test of {@code Multisets.forSet()} can suppress them.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static List<Method> getRemoveDuplicateInitializingMethods() {
    return Arrays.asList(

        Collection<DependencyScope> nonTransitiveDependencyScopes =
                allDependencyScopes.stream().filter(s -> !s.isTransitive()).collect(Collectors.toSet());
        DependencyScope system =
                internalScopeManager.getDependencyScope(DS_SYSTEM).orElse(null);

        ArrayList<ResolutionScope> result = new ArrayList<>();

        assertTrue(hasEdge(graph, "c", "d"));
        assertFalse(hasEdge(graph, "d", "c"));

        Set<String> labels = graph.getVertices().stream().map(Vertex::getLabel).collect(Collectors.toSet());
        assertEquals(4, labels.size());
        assertTrue(labels.contains("a"));
        assertTrue(labels.contains("b"));
        assertTrue(labels.contains("c"));
        assertTrue(labels.contains("d"));

    assertEmpty(getMultiset());
  }

  /**
   * Returns {@link Method} instances for the read tests that assume multisets support duplicates so
   * that the test of {@code Multisets.forSet()} can suppress them.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static List<Method> getElementSetDuplicateInitializingMethods() {
    return Arrays.asList(
        Helpers.getMethod(