/**
   * Returns a live view of the edges whose {@link #incidentNodes(Object) incident nodes} in this
   * network include {@code node}.
   *
   * <p>This is equal to the union of {@link #inEdges(Object)} and {@link #outEdges(Object)}.
   *
   * <p>If {@code node} is removed from the network after this method is called, the {@code Set}
   * {@code view} returned by this method will be invalidated, and will throw {@code

    public int outDegree(N node) {
      return delegate().inDegree(node); // transpose
    }

    @Override
    public Set<E> inEdges(N node) {
      return delegate().outEdges(node); // transpose
    }

    @Override
    public Set<E> outEdges(N node) {
      return delegate().inEdges(node); // transpose
    }

    @Override
    public EndpointPair<N> incidentNodes(E edge) {

    public int outDegree(N node) {
      return delegate().inDegree(node); // transpose
    }

    @Override
    public Set<E> inEdges(N node) {
      return delegate().outEdges(node); // transpose
    }

    @Override
    public Set<E> outEdges(N node) {
      return delegate().inEdges(node); // transpose
    }

    @Override
    public EndpointPair<N> incidentNodes(E edge) {