if s.walkMu != nil {
			s.walkMu.Unlock()
		}
		if err != nil {
			// Folder could have gone away in-between
			if err != errVolumeNotFound && err != errFileNotFound {
				internalLogOnceIf(ctx, err, "metacache-walk-scan-dir")
			}
			if opts.ReportNotFound && err == errFileNotFound && current == opts.BaseDir {
				err = errFileNotFound
			} else {
				err = nil
			}
			diskHealthCheckOK(ctx, err)
			return err

		f.walk(n.Body, ctxTypeSwitch, visit)
	case *ast.CommClause:
		f.walk(n.Comm, ctxStmt, visit)
		f.walk(n.Body, ctxStmt, visit)
	case *ast.SelectStmt:
		f.walk(n.Body, ctxStmt, visit)
	case *ast.ForStmt:
		f.walk(n.Init, ctxStmt, visit)
		f.walk(&n.Cond, ctxExpr, visit)
		f.walk(n.Post, ctxStmt, visit)
		f.walk(n.Body, ctxStmt, visit)
	case *ast.RangeStmt:
		f.walk(&n.Key, ctxExpr, visit)

        List<Path> poms;

        @Setup(Level.Iteration)
        public void setUp() throws IOException {
            Path userHome = Paths.get(System.getProperty("user.home"));
            poms = Files.walk(userHome.resolve(".m2/repository/org/apache/maven"))
                    .filter(p -> p.getFileName().toString().endsWith(".pom"))
                    .collect(Collectors.toList());
        }
    }

    @Benchmark

	ListObjectVersions(ctx context.Context, bucket, prefix, marker, versionMarker, delimiter string, maxKeys int) (result ListObjectVersionsInfo, err error)
	// Walk lists all objects including versions, delete markers.
	Walk(ctx context.Context, bucket, prefix string, results chan<- itemOrErr[ObjectInfo], opts WalkOptions) error

	// Object operations.

	// GetObjectNInfo returns a GetObjectReader that satisfies the

			prefixes := r.Source.Prefix.F()
			if len(prefixes) == 0 {
				prefixes = []string{""}
			}
			for _, prefix := range prefixes {
				prefixWalkCh := make(chan itemOrErr[ObjectInfo], 100)
				if err := api.Walk(ctx, r.Source.Bucket, prefix, prefixWalkCh, WalkOptions{
					Marker:   lastObject,
					Filter:   selectObj,
					AskDisks: walkQuorum,
				}); err != nil {
					cancelCause(err)
					xioutil.SafeClose(walkCh)

	ListVols(ctx context.Context) (vols []VolInfo, err error)
	StatVol(ctx context.Context, volume string) (vol VolInfo, err error)
	DeleteVol(ctx context.Context, volume string, forceDelete bool) (err error)

	// WalkDir will walk a directory on disk and return a metacache stream on wr.
	WalkDir(ctx context.Context, opts WalkDirOptions, wr io.Writer) error

	// Metadata operations

	}

	if err := scanner.Err(); err != nil {
		return nil, err
	}

	return result, nil
}

func getDiskUUIDMap() (map[string]string, error) {
	result := make(map[string]string)
	err := filepath.Walk("/dev/disk/by-uuid/",
		func(path string, info os.FileInfo, err error) error {
			if err != nil {
				return err
			}
			realPath, err := filepath.EvalSymlinks(path)
			if err != nil {
				return err
			}

		sort.Strings(closestCommands)
		// Suggest other close commands - allow missed, wrongly added and
		// even transposed characters
		for _, value := range commandsTree.Walk(commandsTree.Root()) {
			if sort.SearchStrings(closestCommands, value) < len(closestCommands) {
				continue
			}
			// 2 is arbitrary and represents the max
			// allowed number of typed errors

the configuration for all the goals outside the execution block we need to account for creating the right configuration element which includes only those configuration elements for a particular goal that that particular goal understands. We need to walk through the parameters of the Mojo in question and only take the configuration options that apply....

            throws IntrospectionException {
        Object value = root;

        // ----------------------------------------------------------------------
        // Walk the dots and retrieve the ultimate value desired from the
        // MavenProject instance.
        // ----------------------------------------------------------------------