* @since 14.0
   */
  public static String getNameWithoutExtension(String file) {
    checkNotNull(file);
    String fileName = new File(file).getName();
    int dotIndex = fileName.lastIndexOf('.');
    return (dotIndex == -1) ? fileName : fileName.substring(0, dotIndex);
  }

  /**
   * Returns a {@link Traverser} instance for the file and directory tree. The returned traverser

}

var testFileSet = token.NewFileSet()

func (t *testFuncs) load(filename, pkg string, doImport, seen *bool) error {
	// Pass in the overlaid source if we have an overlay for this file.
	src, err := fsys.Open(filename)
	if err != nil {
		return err
	}
	defer src.Close()
	f, err := parser.ParseFile(testFileSet, filename, src, parser.ParseComments|parser.SkipObjectResolution)
	if err != nil {
		return err
	}

func performInPlaceUpgradeFunc(previousVersion string, isAmbient bool) func(framework.TestContext) {
	return func(t framework.TestContext) {
		cs := t.Clusters().Default().(*kubecluster.Cluster)
		h := helm.New(cs.Filename())
		nsConfig := helmtest.DefaultNamespaceConfig
		t.CleanupConditionally(func() {
			// only need to do call this once as helm doesn't need to remove
			// all versions

    }

    @Override
    public FileTreeInternal generated(Factory<File> tmpDir, String fileName, Action<File> fileGenerationListener, Action<OutputStream> contentWriter) {
        return new FileTreeAdapter(new GeneratedSingletonFileTree(tmpDir, fileName, fileGenerationListener, contentWriter, fileSystem), listener, taskDependencyFactory, patternSetFactory);
    }

            }
        """
        file("$folderName/settings.gradle") << "rootProject.name = '$folderName'"
    }

    List<String> allTransformsFor(String fileName) {
        List<String> transforms = []
        def pattern = Pattern.compile("Transforming " + fileName + ".* with (.*)")
        for (def line : output.readLines()) {
            def matcher = pattern.matcher(line)
            if (matcher.matches()) {

	return setupConfigdumpEnvoyConfigWriter(debug, out)
}

func readFile(filename string) ([]byte, error) {
	file := os.Stdin
	if filename != "-" {
		var err error
		file, err = os.Open(filename)
		if err != nil {
			return nil, err
		}
	}
	defer func() {
		if err := file.Close(); err != nil {
			log.Errorf("failed to close %s: %s", filename, err)
		}
	}()
	return io.ReadAll(file)
}

	FileIndex       uint32
	CreationTime    syscall.Filetime
	LastAccessTime  syscall.Filetime
	LastWriteTime   syscall.Filetime
	ChangeTime      syscall.Filetime
	EndOfFile       uint64
	AllocationSize  uint64
	FileAttributes  uint32
	FileNameLength  uint32
	EaSize          uint32
	ShortNameLength uint32
	ShortName       [12]uint16
	FileID          uint64
	FileName        [1]uint16
}

		return
	}

	check.declare(check.pkg.scope, ident, obj, nopos)
	check.objMap[obj] = d
	obj.setOrder(uint32(len(check.objMap)))
}

// filename returns a filename suitable for debugging output.
func (check *Checker) filename(fileNo int) string {
	file := check.files[fileNo]
	if pos := file.Pos(); pos.IsKnown() {
		// return check.fset.File(pos).Name()
		// TODO(gri) do we need the actual file name here?

		return
	}

	check.declare(check.pkg.scope, ident, obj, nopos)
	check.objMap[obj] = d
	obj.setOrder(uint32(len(check.objMap)))
}

// filename returns a filename suitable for debugging output.
func (check *Checker) filename(fileNo int) string {
	file := check.files[fileNo]
	if pos := file.Pos(); pos.IsValid() {
		return check.fset.File(pos).Name()
	}
	return fmt.Sprintf("file[%d]", fileNo)
}

		pm.functionsByID[src.ID] = f
		return f
	}
	f := &Function{
		ID:         uint64(len(pm.p.Function) + 1),
		Name:       src.Name,
		SystemName: src.SystemName,
		Filename:   src.Filename,
		StartLine:  src.StartLine,
	}
	pm.functions[k] = f
	pm.functionsByID[src.ID] = f
	pm.p.Function = append(pm.p.Function, f)
	return f
}