import (
	"go/ast"
)

// An Inspector provides methods for inspecting
// (traversing) the syntax trees of a package.
type Inspector struct {
	events []event
}

// New returns an Inspector for the specified syntax trees.
func New(files []*ast.File) *Inspector {
	return &Inspector{traverse(files)}
}

// An event represents a push or a pop

 *
 * <p>
 * For a given build tree, only a single process is allowed write access to extract archives at a time.
 *
 * Multiple build processes are allowed to extract archives concurrently as long as they use different build trees (in other words, different root directories).
 * <p>

	t.init()
	t.muFuncs.RLock()
	trees, err := parse.Parse(t.name, text, t.leftDelim, t.rightDelim, t.parseFuncs, builtins())
	t.muFuncs.RUnlock()
	if err != nil {
		return nil, err
	}
	// Add the newly parsed trees, including the one for t, into our common structure.
	for name, tree := range trees {
		if _, err := t.AddParseTree(name, tree); err != nil {
			return nil, err
		}
	}
	return t, nil

 * For example, buildSrc shares the same build scope ID as the overall build.
 * All composite participants also share the same build scope ID.
 * That is, all “nested” build trees (in terms of GradleLauncher, GradleBuild etc.) share the same build invocation ID.
 *
 * This ID is, by definition, not persistent.
 */
@ServiceScope(Scope.BuildTree.class)

        then:
        targetOutputFile.text == "output"

        where:
        type      | treeName
        "long"    | "tree-" + ("x" * 100)
        "unicode" | "tree-dezső"
    }

    @Requires(UnitTestPreconditions.UnixDerivative)
    def "can pack tree directory with files having #type characters in name"() {
        def sourceOutputDir = temporaryFolder.file("source").createDir()

import org.apache.maven.api.annotations.Consumer;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * Defines a hierarchical visitor for collecting dependency node trees.
 *
 * @since 4.0.0
 */
@Experimental
@Consumer
public interface NodeVisitor {
    /**
     * Starts the visit to the specified dependency node.
     *
     * @param node the dependency node to visit

        visited.toSet() == [a1, b1].toSet()
    }

    def "dependencies are union of dependencies of source trees"() {
        def task1 = Stub(Task)
        def task2 = Stub(Task)
        def task3 = Stub(Task)
        def tree1 = Stub(FileTreeInternal)
        def tree2 = Stub(FileTreeInternal)

        given:
        tree1.visitDependencies(_) >> { TaskDependencyResolveContext context ->
            context.add(task1)

	// order to minimize the amount of information needed to build a tree
	// bzip2 uses a canonical tree so that it can be reconstructed given
	// only the code length assignments.

	if len(lengths) < 2 {
		panic("newHuffmanTree: too few symbols")
	}

	var t huffmanTree

	// First we sort the code length assignments by ascending code length,
	// using the symbol value to break ties.

// limitations under the License.

/*
util.go contains utility function for dealing with trees.
*/

package tpath

import (
	"gopkg.in/yaml.v2"
	yaml2 "sigs.k8s.io/yaml"

	"istio.io/istio/operator/pkg/util"
)

// AddSpecRoot adds a root node called "spec" to the given tree and returns the resulting tree.
func AddSpecRoot(tree string) (string, error) {
	t, nt := make(map[string]any), make(map[string]any)

    public FileTree visit(Action<? super FileVisitDetails> visitor) {
        for (FileTree tree : getSourceCollections()) {
            tree.visit(visitor);
        }
        return this;
    }

    @Override
    public FileTree visit(FileVisitor visitor) {
        for (FileTree tree : getSourceCollections()) {
            tree.visit(visitor);
        }
        return this;
    }

    @Override