Class<E> enumClass, Policy policy) {
    return new CycleDetectingLockFactory.WithExplicitOrdering<E>(
        policy, CycleDetectingLockFactory.createNodes(enumClass));
  }

  public void testDeadlock_twoLocks() {
    // Establish an acquisition order of lockA -> lockB.
    lockA.lock();
    lockB.lock();
    lockA.unlock();
    lockB.unlock();

	fmt.Fprintln(w, strings.Join(ProfileLabels(rpt), "\n"))

	prof := rpt.prof
	o := rpt.options

	const separator = "-----------+-------------------------------------------------------"

	_, locations := graph.CreateNodes(prof, &graph.Options{})
	for _, sample := range prof.Sample {
		type stk struct {
			*graph.NodeInfo
			inline bool
		}
		var stack []stk
		for _, loc := range sample.Location {