if (isDirected()) {
      return IntMath.saturatedAdd(predecessors(node).size(), successors(node).size());
    } else {
      Set<N> neighbors = adjacentNodes(node);
      int selfLoopCount = (allowsSelfLoops() && neighbors.contains(node)) ? 1 : 0;
      return IntMath.saturatedAdd(neighbors.size(), selfLoopCount);
    }
  }

  @Override
  public int inDegree(N node) {

    }

    @Override
    public String toString() {
        return "{" + getUserId() + "}";
    }

    @Override
    public String getUserId() {
        return nameId;
    }

    /**
     * Gets the SAML user.
     * @return The SAML user.
     */
    public SamlUser getUser() {

    /**
     * Returns a simple designator of the options source, such as "cli", "maven.conf", etc.
     *
     * @return a string representing the source of the options
     */
    @Nonnull
    String source();

    /**
     * Returns the user-defined properties for the Maven execution.
     *
     * @return an {@link Optional} containing the map of user properties, or empty if not set
     */
    @Nonnull

     */
    default List<String> includes() {
        return List.of();
    }

    /**
     * {@return the list of patterns for the files to exclude}.
     * The exclusions are applied after the inclusions.
     * The default implementation returns an empty list.
     */
    default List<String> excludes() {
        return List.of();
    }

    /**
     * {@return a matcher combining the include and exclude patterns}.

            public Class<? extends Annotation> annotationType() {
                return CustomSize.class;
            }

            @Override
            public String message() {
                return "Test message";
            }

            @Override
            public Class<?>[] groups() {
                return new Class<?>[] { TestGroup.class };
            }

            @Override

        (byte) (hash >> 56)
      };
    }

    @Override
    public int asInt() {
      return (int) hash;
    }

    @Override
    public long asLong() {
      return hash;
    }

    @Override
    public long padToLong() {
      return hash;
    }

    @Override
    void writeBytesToImpl(byte[] dest, int offset, int maxLength) {

      }
      Class<?> returnType = method.getReturnType();
      assertTrue(
          rootLocaleFormat("%s.%s() must return an array.", annotationClass, propertyName),
          returnType.isArray());
      assertSame(
          rootLocaleFormat(
              "%s.%s() must return an array of %s.",
              annotationClass, propertyName, annotationClass.getDeclaringClass()),
          annotationClass.getDeclaringClass(),

 * be clearly documented.
 *
 * <p>Note that although your APIs should be liberal in what they accept, your methods which
 * <i>return</i> iterables should make every attempt to return ones of the robust variety.
 *
 * <p>This testing utility is not thread-safe.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible

      assertThat(e).isInstanceOf(ConnectionEvent.ConnectStart::class.java)
    } else {
      eventSequence.forEach loop@{
        when (e.closes(it)) {
          null -> return // no open event
          true -> return // found open event
          false -> return@loop // this is not the open event so continue
        }
      }
      Assertions.fail<Any>("event $e without matching start event")
    }
  }

     */
    requireNonNull(part);
    return (part instanceof CharSequence) ? (CharSequence) part : part.toString();
  }

  private static Iterable<@Nullable Object> iterable(
      @Nullable Object first, @Nullable Object second, @Nullable Object[] rest) {
    checkNotNull(rest);
    return new AbstractList<@Nullable Object>() {
      @Override
      public int size() {
        return rest.length + 2;
      }