factories.add(factory);
      }
    }
    if (!Modifier.isAbstract(type.getRawType().getModifiers())) {
      for (Constructor<?> constructor : type.getRawType().getDeclaredConstructors()) {
        Invokable<T, T> invokable = type.constructor(constructor);
        if (!invokable.isPrivate() && !invokable.isSynthetic()) {
          factories.add(invokable);
        }
      }
    }

   *
   * <ul>
   *   <li>The visible constructor or visible static factory method with the most parameters is used
   *       to construct the sample instances. In case of tie, the candidate constructors or
   *       factories are tried one after another until one can be used to construct sample
   *       instances.
   *   <li>For the constructor or static factory method used to construct instances, it's checked

   *
   * <ul>
   *   <li>The visible constructor or visible static factory method with the most parameters is used
   *       to construct the sample instances. In case of tie, the candidate constructors or
   *       factories are tried one after another until one can be used to construct sample
   *       instances.
   *   <li>For the constructor or static factory method used to construct instances, it's checked

  /** Constructs a graph with the properties specified in {@code builder}. */
  StandardValueGraph(AbstractGraphBuilder<? super N> builder) {
    this(
        builder,
        builder.nodeOrder.createMap(firstNonNull(builder.expectedNodeCount, DEFAULT_NODE_COUNT)),
        0L);
  }

  /**

  // faster, but also make Networks consume 5 to 20+% (increasing with average degree) more memory.
  final MapIteratorCache<E, N> edgeToReferenceNode; // referenceNode == source if directed

  /** Constructs a graph with the properties specified in {@code builder}. */
  StandardNetwork(NetworkBuilder<? super N, ? super E> builder) {
    this(
        builder,

  // a reference to 'this'. To access the delegate iterable, call #getDelegate(), which converts
  // null back to 'this'.
  private final @Nullable Iterable<E> iterableDelegate;

  /** Constructor for use by subclasses. */
  protected FluentIterable() {
    this.iterableDelegate = null;
  }

  FluentIterable(Iterable<E> iterable) {
    this.iterableDelegate = checkNotNull(iterable);
  }

  // a reference to 'this'. To access the delegate iterable, call #getDelegate(), which converts
  // null back to 'this'.
  private final @Nullable Iterable<E> iterableDelegate;

  /** Constructor for use by subclasses. */
  protected FluentIterable() {
    this.iterableDelegate = null;
  }

  FluentIterable(Iterable<E> iterable) {
    this.iterableDelegate = checkNotNull(iterable);
  }