return delegate().adjacentNodes(node);
  }

  @Override
  public Set<N> predecessors(N node) {
    return delegate().predecessors(node);
  }

  @Override
  public Set<N> successors(N node) {
    return delegate().successors(node);
  }

  @Override
  public Set<EndpointPair<N>> incidentEdges(N node) {
    return delegate().incidentEdges(node);
  }

  @Override
  public int degree(N node) {

                visitor.onEndHtmlElement(element);
            }
        }

        private void unwindTo(Collection<String> ancestors, TokenVisitor visitor) {
            for (int i = 0; i < elementStack.size(); i++) {
                if (ancestors.contains(elementStack.get(i))) {
                    for (; i > 0; i--) {
                        visitor.onEndHtmlElement(elementStack.removeFirst());

            && successorCount <= adjacentNodeValues.size());
  }

  static <N, V> DirectedGraphConnections<N, V> of(ElementOrder<N> incidentEdgeOrder) {
    // We store predecessors and successors in the same map, so double the initial capacity.
    int initialCapacity = INNER_CAPACITY * 2;

    List<NodeConnection<N>> orderedNodeConnections;
    switch (incidentEdgeOrder.type()) {
      case UNORDERED:

        return sb.toString();
    }

    // ===================================================================================
    //                                                                            Accessor
    //                                                                            ========
    public Long getGidNumber() {
        checkSpecifiedProperty("gidNumber");
        return gidNumber;
    }

  @Override
  @Test
  public void successors_checkReturnedSetMutability() {
    addNode(N1);
    Set<Integer> successors = network.successors(N1);
    assertThrows(UnsupportedOperationException.class, () -> successors.add(N2));
    addEdge(N1, N2, E12);
    assertThat(network.successors(N1)).containsExactlyElementsIn(successors);
  }

  @Test
  public void edges_containsOrderMismatch() {
    addEdge(N1, N2, E12);

        return sb.toString();
    }

    // ===================================================================================
    //                                                                            Accessor
    //                                                                            ========
    public String getCreatedBy() {
        checkSpecifiedProperty("createdBy");
        return convertEmptyToNull(createdBy);

        return sb.toString();
    }

    // ===================================================================================
    //                                                                            Accessor
    //                                                                            ========
    public String getCreatedBy() {
        checkSpecifiedProperty("createdBy");
        return convertEmptyToNull(createdBy);

        return sb.toString();
    }

    // ===================================================================================
    //                                                                            Accessor
    //                                                                            ========
    public String getCreatedBy() {
        checkSpecifiedProperty("createdBy");
        return convertEmptyToNull(createdBy);

   * the Android flavor of Guava). The field is declared with a type of {@code Object} to avoid
   * compatibility problems on Android VMs. The corresponding accessor method, however, can have the
   * more specific return type as long as users are careful to guard calls to it with version checks
   * or reflection: Android VMs ignore the types of elements that aren't used.
   */

    } else {
      return ImmutableSet.of();
    }
  }

  /**
   * Returns the successors of the given node, or an empty set if this set does not represent
   * outgoing edges.
   */
  private Set<N> successorsOrEmpty(N node) {
    if (edgeType == EdgeType.OUTGOING || edgeType == EdgeType.BOTH) {
      return graph.successors(node);
    } else {
      return ImmutableSet.of();
    }
  }