鸿蒙 NEXT 开发中，普通对象跨线程如何传递

@Componentexport struct LockUsage {  taskNum: number = 10; // 任务数，实际并行线程数依设备而定  baseDir: string = getContext().filesDir + '/TextDir'; // 文件写入的应用沙箱路径  sabInLock: SharedArrayBuffer = new SharedArrayBuffer(4); // 在主线程，初始化子线程锁标志位，所使用的共享内存  sabForLine: SharedArrayBuffer = new SharedArrayBuffer(4); // 在主线程，初始化子线程偏移位，所使用的共享内存  @State result: string = "";  build() {    Row() {      Column() {        Button($r('app.string.not_use_lock'))          .width("80%").fontSize(30)          .fontWeight(FontWeight.Bold)          .margin({ top: 30 })          .onClick(async () => {            this.startWrite(false);          })        Button($r('app.string.use_lock'))          .width("80%")          .fontSize(30)          .fontWeight(FontWeight.Bold)          .margin({ top: 30 })          .onClick(async () => {            this.startWrite(true);          })        Text(this.result)          .width("80%")          .fontSize(30)          .fontWeight(FontWeight.Bold)          .fontColor(Color.Blue)          .margin({ top: 30 })      }      .width('100%')    }    .height('100%')  }  startWrite(useLock: boolean): void {    this.result = getContext().resourceManager.getStringSync($r('app.string.write_file_start'));    let whichLineToWrite: Int32Array = new Int32Array(this.sabForLine);    Atomics.store(whichLineToWrite, 0, 0);    let taskPoolGroup: taskpool.TaskGroup = new taskpool.TaskGroup();    for (let i: number = 0; i < this.taskNum; i++) {      taskPoolGroup.addTask(new taskpool.Task(createWriteTask, this.baseDir, i, this.sabInLock, this.sabForLine, useLock));    }    taskpool.execute(taskPoolGroup).then(() => {      this.result = getContext().resourceManager.getStringSync($r('app.string.write_file_success'));    }).catch(() => {      this.result = getContext().resourceManager.getStringSync($r('app.string.write_file_failed'));    })  }}

@Concurrentasync function createWriteTask(baseDir: string, writeText: number, sabInLock: SharedArrayBuffer, sabForLine: SharedArrayBuffer, useLock: boolean): Promise<void> {  class Option {     offset: number = 0;    length: number = 0;    encoding: string = 'utf-8';    constructor(offset: number, length: number) {      this.offset = offset;      this.length = length;    }  }  let filePath: string | undefined = undefined;  filePath = baseDir + useLock ? "/useLock.txt" : "/unusedLock.txt";  if (!fs.accessSync(baseDir)) {    fs.mkdirSync(baseDir);  }  let nrl: NonReentrantLock | undefined = undefined;  if (useLock) {    nrl = new NonReentrantLock(sabInLock);  }  let whichLineToWrite: Int32Array = new Int32Array(sabForLine);  let str: string = writeText + '\n';  for (let i: number = 0; i < 100; i++) {    if (useLock && nrl !== undefined) {      nrl.lock();    }    let file: fs.File = fs.openSync(filePath, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);    try {      fs.writeSync(file.fd, str, new Option(whichLineToWrite[0], str.length));    } catch (err) {      logger.error(`errorCode : ${err.code},errMessage : ${err.message}`);    }    fs.closeSync(file);    whichLineToWrite[0] += str.length;    if (useLock && nrl !== undefined) {      nrl.unlock();    }  }}