* Returns all nodes in this graph adjacent to {@code node} which can be reached by traversing
   * {@code node}'s outgoing edges in the direction (if any) of the edge.
   *
   * <p>This is <i>not</i> the same as "all nodes reachable from {@code node} by following outgoing
   * edges". For that functionality, see {@link Graphs#reachableNodes(Graph, Object)}.
   *
   * <p>Some algorithms that operate on a {@code SuccessorsFunction} may produce undesired results

   */
  Set<E> outEdges(N node);

  /**
   * Returns the count of {@code node}'s {@link #incidentEdges(Object) incident edges}, counting
   * self-loops twice (equivalently, the number of times an edge touches {@code node}).
   *
   * <p>For directed networks, this is equal to {@code inDegree(node) + outDegree(node)}.
   *

Hoặc theo một cách nào khác, không cần chúng, import và sử dụng code bạn cần.

Bất kì tích hợp nào được thiết kế để sử dụng đơn giản (với các dependency), đến nỗi bạn có thể tạo một "plug-in" cho ứng dụng của mình trong 2 dòng code bằng cách sử dụng cùng một cấu trúc và cú pháp được sử dụng cho *path operations* của bạn.

### Đã được kiểm thử

* 100% <abbr title=" Lượng code đã được kiểm thử tự động">test coverage</abbr>.

  /** Constructs a {@code VerifyException} with no message. */
  public VerifyException() {}

  /** Constructs a {@code VerifyException} with the message {@code message}. */
  public VerifyException(@CheckForNull String message) {
    super(message);
  }

  /**
   * Constructs a {@code VerifyException} with the cause {@code cause} and a message that is {@code

   * {@code put()} or {@code putAll()}, or {@code setValue()} on its entries.
   *
   * <p>In contrast, the maps returned by {@code rowMap().get()} have the same behavior as those
   * returned by {@link #row}. Those maps may support {@code setValue()}, {@code put()}, and {@code
   * putAll()}.
   *

   * {@code allRequired} is sorted and that {@code allRequired[i]} are in the range [{@code from},
   * {@code to}] for all {@code i} in the range [{@code requiredFrom}, {@code requiredTo}]. The
   * value returned by this method is the {@code i} in that range such that {@code allRequired[i]}
   * is as close as possible to the center of the range [{@code from}, {@code to}]. Choosing the

    }

    /**
     * <b>Warning</b>: ignored (always return <code>0 == Logger.LEVEL_DEBUG</code>).
     */
    public int getThreshold() {
        return 0;
    }

    /**
     * <b>Warning</b>: ignored.
     */
    public void setThreshold(int threshold) {}

    /**
     * <b>Warning</b>: ignored (always return <code>null</code>).
     */
    public Logger getChildLogger(String name) {

#         ; map:{
#             ; code=[code]; name=[name]; alias=[alias]; comment=[comment]
#             ; sisterCode=[code or code-list]; subItemMap=map:{[free-map]}
#         }
#         # settings for table classification
#         ; map:{
#             ; table=[table-name]
#             ; code=[column-name for code]; name=[column-name for name]

     * created automatically.
     *
     * @param output The file to serialize the model to, must not be {@code null}.
     * @param options The options to use for serialization, may be {@code null} to use the default values.
     * @param model The model to serialize, must not be {@code null}.
     * @throws IOException If the model could not be serialized.
     */

  /**
   * Returns {@code x}, rounded to a {@code double} with the specified rounding mode. If {@code x}
   * is precisely representable as a {@code double}, its {@code double} value will be returned;
   * otherwise, the rounding will choose between the two nearest representable values with {@code
   * mode}.
   *
   * <p>For the case of {@link RoundingMode#HALF_DOWN}, {@code HALF_UP}, and {@code HALF_EVEN},