在Java中有没有暂停和恢复Files.walkFileTree的方法？

import java.io.IOException;
import java.nio.file.*;
import java.nio.file.attribute.BasicFileAttributes;

public class CustomFileVisitor implements FileVisitor<Path> {
    private boolean pauseFlag = false;

    public void setPauseFlag(boolean flag) {
        this.pauseFlag = flag;
    }

    @Override
    public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
        if (pauseFlag) {
            // 暂停遍历
            return FileVisitResult.TERMINATE;
        }
        // 继续遍历
        return FileVisitResult.CONTINUE;
    }

    @Override
    public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
        // 处理文件
        System.out.println(file);
        if (pauseFlag) {
            // 暂停遍历
            return FileVisitResult.TERMINATE;
        }
        // 继续遍历
        return FileVisitResult.CONTINUE;
    }

    @Override
    public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
        // 处理文件遍历失败的情况
        return FileVisitResult.CONTINUE;
    }

    @Override
    public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
        // 处理目录遍历完成后的操作
        return FileVisitResult.CONTINUE;
    }
}

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

public class Main {
    public static void main(String[] args) throws IOException {
        Path root = Paths.get("path/to/directory");
        CustomFileVisitor fileVisitor = new CustomFileVisitor();

        // 开始遍历
        Files.walkFileTree(root, fileVisitor);

        // 暂停遍历
        fileVisitor.setPauseFlag(true);

        // 执行其他操作...

        // 恢复遍历
        fileVisitor.setPauseFlag(false);

        // 继续遍历
        Files.walkFileTree(root, fileVisitor);
    }
}