if (source) {
                    throw new AssertionError("Source information should not be visited, but found source [$source]")
                }
                if (debug) {
                    throw new AssertionError("Debug information should not be visited, but found debug [$debug]")
                }
            }

            @Override

			if m.Level == 0 {
				mset.add(customizeRecv(m, recvTypeName, thisEmbeddedIsPtr, level))
			}
		}
		if !visited[embedded] {
			r.collectEmbeddedMethods(mset, embedded, recvTypeName, thisEmbeddedIsPtr, level+1, visited)
		}
	}
	delete(visited, typ)
}

// computeMethodSets determines the actual method sets for each type encountered.
func (r *reader) computeMethodSets() {

	want := []string{".", "link"}
	if fmt.Sprintf("%q", visited) != fmt.Sprintf("%q", want) {
		t.Errorf("unexpected paths visited %q, want %q", visited, want)
	}
}

func TestWalkSymlink(t *testing.T) {
	testenv.MustHaveSymlink(t)
	testWalkSymlink(t, os.Symlink)
}

func TestIssue29372(t *testing.T) {
	tmpDir := t.TempDir()

	path := filepath.Join(tmpDir, "file.txt")

        Multimap<String, String> dependencies = getForwardDependencyView();

        Set<String> visited = new HashSet<>(usedClasses.size());
        Deque<String> pending = new ArrayDeque<>(usedClasses);
        while (!pending.isEmpty()) {
            String cls = pending.poll();
            if (visited.add(cls)) {
                usedClasses.add(cls);
                pending.addAll(dependencies.get(cls));
            }

            return transformSteps;
        }

        @Override
        public void prepareForVisitingIfNotAlready() {
            // The parameters of the transforms should already be isolated prior to visiting this set.
            // However, in certain cases, the transform's parameters may not be isolated (eg https://github.com/gradle/gradle/issues/23116), so do this now

 * class CrawlingService extends AbstractScheduledService {
 *   private Set<Uri> visited;
 *   private Queue<Uri> toCrawl;
 *   protected void startUp() throws Exception {
 *     toCrawl = readStartingUris();
 *   }
 *
 *   protected void runOneIteration() throws Exception {
 *     Uri uri = toCrawl.remove();
 *     Collection<Uri> newUris = crawl(uri);
 *     visited.add(uri);
 *     for (Uri newUri : newUris) {

        Set<ResolvedComponentResult> visited
    ) {
        if (!visited.add(node)) {
            return;
        }
        for (DependencyResult d : node.getDependencies()) {
            dependencyAction.execute(d);
            if (d instanceof ResolvedDependencyResult) {
                eachDependency(((ResolvedDependencyResult) d).getSelected(), dependencyAction, visited);
            }
        }
    }

        }

        val visited = mutableSetOf<String>()

        val matchesMethodNode = { candidate: MethodNode ->
            candidate.desc == methodNode.desc && candidate.signature == methodNode.signature
        }

        while (superTypeStack.isNotEmpty()) {
            val superTypeName = superTypeStack.pop()

            if (!visited.add(superTypeName)) continue

 * class CrawlingService extends AbstractScheduledService {
 *   private Set<Uri> visited;
 *   private Queue<Uri> toCrawl;
 *   protected void startUp() throws Exception {
 *     toCrawl = readStartingUris();
 *   }
 *
 *   protected void runOneIteration() throws Exception {
 *     Uri uri = toCrawl.remove();
 *     Collection<Uri> newUris = crawl(uri);
 *     visited.add(uri);
 *     for (Uri newUri : newUris) {

        then:
        printGraph(result.rootSource.get()) == """org:root:1.0
  org:dep1:2.0(C) [root]
  org:dep2:3.0 -> org:dep2:3.0 - Could not resolve org:dep2:3.0.
"""
    }

    def "visiting resolved module version again has no effect"() {
        def root = rootNode(1, "org", "root", "1.0")
        def selector = selector(7, "org", "dep1", "2.0")
        root.outgoingEdges >> [dep(selector, 1, 2)]