" + (Date.now()) + "__";
            class WorkerManager {
                constructor(
                    workerURL,
                    standardIO,
                    readyCallBack,
                    finishedCallback,
                ) {
                    this.workerURL = workerURL;
                    this.worker = null;
                    this.standardIO = standardIO;
                    this.readyCallBack = readyCallBack;
                    this.finishedCallback = finishedCallback;

           