AddRejectingSet(@ParametricNullness K key) {
      this.key = key;
    }

    @Override
    public boolean add(@ParametricNullness V element) {
      throw new IllegalArgumentException("Key does not satisfy predicate: " + key);
    }

    @Override
    public boolean addAll(Collection<? extends V> collection) {
      checkNotNull(collection);

    private List<String> header;
    private List<String> footer;
    private Path location;
    private UnaryOperator<String> callback;
    boolean substitute = true;
    boolean typed;

    public MavenProperties() {}

    public MavenProperties(Path location) throws IOException {
        this(location, null);
    }

    private List<String> header;
    private List<String> footer;
    private Path location;
    private UnaryOperator<String> callback;
    boolean substitute = true;
    boolean typed;

    public MavenProperties() {}

    public MavenProperties(Path location) throws IOException {
        this(location, null);
    }

    private int allRecordCount;

    /** The total number of pages. */
    private int allPageCount;

    /** Whether a previous page exists. */
    private boolean existPrePage;

    /** Whether a next page exists. */
    private boolean existNextPage;

    /** The list of page numbers. */
    private List<Integer> pageNumberList;

    /** The number of items per page. */
    private int pageSize;

    public int size() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.size();
    }

    @Override
    public boolean isEmpty() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.isEmpty();
    }

    @Override
    public boolean containsValue(@Nullable Object value) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.containsValue(value);
    }

    @Override

        return this;
    }

    @Override
    public boolean isProcessPlugins() {
        return request.isProcessPlugins();
    }

    @Override
    public FilterModelBuildingRequest setProcessPlugins(boolean processPlugins) {
        request.setProcessPlugins(processPlugins);

        return this;
    }

    @Override
    public boolean isTwoPhaseBuilding() {
        return request.isTwoPhaseBuilding();
    }

    /** The total number of pages. */
    private int allPageCount;

    /** Flag indicating whether a previous page exists. */
    private boolean existPrePage;

    /** Flag indicating whether a next page exists. */
    private boolean existNextPage;

    /** List of page numbers for navigation display. */
    private List<Integer> pageNumberList;

    /** The number of records to display per page. */

    /**
     * Total number of pages.
     */
    private int allPageCount;

    /**
     * Flag indicating if a previous page exists.
     */
    private boolean existPrePage;

    /**
     * Flag indicating if a next page exists.
     */
    private boolean existNextPage;

    /**
     * List of page numbers for pagination.
     */
    private List<Integer> pageNumberList;

    /**

    private int allRecordCount;

    /** Total number of pages. */
    private int allPageCount;

    /** Indicates if a previous page exists. */
    private boolean existPrePage;

    /** Indicates if a next page exists. */
    private boolean existNextPage;

    /** List of page numbers for pagination navigation. */
    private List<Integer> pageNumberList;

    /** Page size for pagination. */

    return true;
  }

  @Override
  @CanIgnoreReturnValue
  public boolean addEdge(EndpointPair<N> endpoints, E edge) {
    validateEndpoints(endpoints);
    return addEdge(endpoints.nodeU(), endpoints.nodeV(), edge);
  }

  @Override
  @CanIgnoreReturnValue
  public boolean removeNode(N node) {
    checkNotNull(node, "node");