HarmonyOS 鸿蒙Next：在ets里写代码获取resource/rawfile/下面的文件一直报错

HarmonyOS 鸿蒙Next：在ets里写代码获取resource/rawfile/下面的文件一直报错

import { AbilityConstant, common, UIAbility, Want } from '@kit.AbilityKit';
import { hilog } from '@kit.PerformanceAnalysisKit';
import { window } from '@kit.ArkUI';
import util from '@ohos.util';
import { BusinessError } from '@kit.BasicServicesKit';
import { resourceManager } from '@kit.LocalizationKit';

export default class EntryAbility extends UIAbility {
  onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
    hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onCreate');
    const resourceManager = this.getContext().createModuleContext('sharedLibrary').resourceManager;

    try {
      this.context.resourceManager.getRawFileContentSync("SGameConfig.json");
    } catch (error) {
      let code = (error as BusinessError).code;
      let message = (error as BusinessError).message;
      console.error(`getRawFdSync failed, error code: ${code}, message: ${message}.`);
    }
  }
}

报错： getRawFdSync failed, error code: undefined, message: is not callable.

SDK版本是11