HarmonyOS 使用云存储接口报错报错

一、根据说明文档已经在oh-packages.json5中添加依赖：

{
  "name": "entry",
  "version": "1.0.0",
  "description": "Please describe the basic information.",
  "main": "",
  "author": "",
  "license": "",
  "dependencies": {
  "@hw-agconnect/cloudstorage-ohos": "1.1.2",
  "@hw-agconnect/api-ohos": "1.1.2",
  "@hw-agconnect/core-ohos": "1.1.2",
  "@hw-agconnect/hmcore": "^1.0.1",
  "@hw-agconnect/cloud": "^1.0.1"
},
  "devDependencies": {},
  "dynamicDependencies": {}
}
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二、导入模块时会报错，报错信息如下：

Module '"@hw-agconnect/hmcore"' has no exported member 'initialize'. <ArkTSCheck> 
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1.这个是怎么回事？如何解决？

2.是否最新的云存储示例代码来参考？

3.希望使用云存储进行文件的上传下载，应该参考哪里的文档来实现这样的功能？