华为手机的/data/storage/el2/base/haps/entry/files/绝对路径在哪?

import UIAbility from '@ohos.app.ability.UIAbility';
import fileUri from '@ohos.file.fileuri';
import window from '@ohos.window';
export default class EntryAbility extends UIAbility {
  onWindowStageCreate(windowStage: window.WindowStage) {

let pathInSandbox = this.context.filesDir + "/test.txt";

let uri = fileUri.getUriFromPath(pathInSandbox);

"file://com.example.demo/data/storage/el2/base/files/test.txt"
  }
}