public void forTree_breadthFirstIterable_twoTrees() {
    assertEqualCharNodes(Traverser.forTree(TWO_TREES).breadthFirst(charactersOf("a")), "ab");
    assertEqualCharNodes(Traverser.forTree(TWO_TREES).breadthFirst(charactersOf("ca")), "cadb");
  }

  @Test
  public void forTree_breadthFirst_singleRoot() {
    Iterable<Character> result = Traverser.forTree(SINGLE_ROOT).breadthFirst('a');

    assertEqualCharNodes(result, "a");
  }

  public void forTree_breadthFirstIterable_twoTrees() {
    assertEqualCharNodes(Traverser.forTree(TWO_TREES).breadthFirst(charactersOf("a")), "ab");
    assertEqualCharNodes(Traverser.forTree(TWO_TREES).breadthFirst(charactersOf("ca")), "cadb");
  }

  @Test
  public void forTree_breadthFirst_singleRoot() {
    Iterable<Character> result = Traverser.forTree(SINGLE_ROOT).breadthFirst('a');

    assertEqualCharNodes(result, "a");
  }

		return err
	}
	if err := s.AddGeneratedConversionFunc((*v1.ForZone)(nil), (*discovery.ForZone)(nil), func(a, b interface{}, scope conversion.Scope) error {
		return Convert_v1_ForZone_To_discovery_ForZone(a.(*v1.ForZone), b.(*discovery.ForZone), scope)
	}); err != nil {
		return err
	}
	if err := s.AddGeneratedConversionFunc((*discovery.ForZone)(nil), (*v1.ForZone)(nil), func(a, b interface{}, scope conversion.Scope) error {

		return err
	}
	if err := s.AddGeneratedConversionFunc((*v1beta1.ForZone)(nil), (*discovery.ForZone)(nil), func(a, b interface{}, scope conversion.Scope) error {
		return Convert_v1beta1_ForZone_To_discovery_ForZone(a.(*v1beta1.ForZone), b.(*discovery.ForZone), scope)
	}); err != nil {
		return err
	}
	if err := s.AddGeneratedConversionFunc((*discovery.ForZone)(nil), (*v1beta1.ForZone)(nil), func(a, b interface{}, scope conversion.Scope) error {

							ForZones: []discovery.ForZone{{Name: "zone-a"}},
						},
					},
					{
						Hints: &discovery.EndpointHints{
							ForZones: []discovery.ForZone{{Name: "zone-b"}},
						},
					},
				},
			},
			expectedEPS: &discovery.EndpointSlice{
				Endpoints: []discovery.Endpoint{
					{
						Hints: &discovery.EndpointHints{
							ForZones: []discovery.ForZone{{Name: "zone-a"}},
						},
					},

 * </ol>
 *
 * <p>If your answers are:
 *
 * <ul>
 *   <li>(1) "no" and (2) "no", use {@link #forGraph(SuccessorsFunction)}.
 *   <li>(1) "yes" and (2) "yes", use {@link #forTree(SuccessorsFunction)}.
 *   <li>(1) "yes" and (2) "no", you can use either, but {@code forTree()} will be more efficient.
 *   <li>(1) "no" and (2) "yes", <b><i>neither will work</i></b>, but if you transform your node

 * </ol>
 *
 * <p>If your answers are:
 *
 * <ul>
 *   <li>(1) "no" and (2) "no", use {@link #forGraph(SuccessorsFunction)}.
 *   <li>(1) "yes" and (2) "yes", use {@link #forTree(SuccessorsFunction)}.
 *   <li>(1) "yes" and (2) "no", you can use either, but {@code forTree()} will be more efficient.
 *   <li>(1) "no" and (2) "yes", <b><i>neither will work</i></b>, but if you transform your node

					Protocol: protocolPtr(api.ProtocolTCP),
				}},
				Endpoints: []discovery.Endpoint{{
					Addresses: generateIPAddresses(1),
					Hints: &discovery.EndpointHints{
						ForZones: []discovery.ForZone{{Name: "zone-a"}},
					},
				}},
			},
		},

		// expected failures
		"duplicate-port-name": {
			expectedErrors: 1,
			endpointSlice: &discovery.EndpointSlice{
				ObjectMeta:  standardMeta,

import java.util.Set;

import static org.gradle.model.internal.core.ModelActionRole.Initialize;
import static org.gradle.model.internal.core.ModelActionRole.Mutate;
import static org.gradle.model.internal.core.NodeInitializerContext.forType;

/**
 * A helper for adding rules to a model registry.
 *
 * Allows unsafe use of the model registry by allow registering of rules that can close over external, unmanaged, state.
 */

        given:
        execute(unitOfWork)

        def invalidWork = builder
            .withValidator { context ->
                context
                    .forType(UnitOfWork, false)
                    .visitPropertyProblem {
                        it.id("test-problem", "Validation problem", GradleCoreProblemGroup.validation())
                            .severity(Severity.WARNING)