文件管理子系统JS API变更
OpenHarmony 3.2 Canary1版本相较于OpenHarmony 3.1 Release版本，文件管理子系统的API变更如下:
接口变更
| 模块名 | 类名 | 方法/属性/枚举/常量 | 变更类型 |
|---|---|---|---|
| ohos.storageStatistics | storageStatistics | getBundleStats(packageName: string, callback: AsyncCallback<BundleStats>): void; getBundleStats(packageName: string): Promise<BundleStats>; | 新增 |
| ohos.storageStatistics | BundleStats | dataSize: number; | 新增 |
| ohos.storageStatistics | BundleStats | cacheSize: number; | 新增 |
| ohos.storageStatistics | BundleStats | appSize: number; | 新增 |
| ohos.volumeManager | volumeManager | unmount(volumeId: string, callback: AsyncCallback<boolean>): void; unmount(volumeId: string): Promise<boolean>; | 新增 |
| ohos.volumeManager | volumeManager | mount(volumeId: string, callback: AsyncCallback<boolean>): void; mount(volumeId: string): Promise<boolean>; | 新增 |
| ohos.volumeManager | volumeManager | getAllVolumes(callback: AsyncCallback<Array<Volume>>): void; getAllVolumes(): Promise<Array<Volume>>; | 新增 |
| ohos.volumeManager | Volume | path: string; | 新增 |
| ohos.volumeManager | Volume | state: number; | 新增 |
| ohos.volumeManager | Volume | removable: boolean; | 新增 |
| ohos.volumeManager | Volume | description: string; | 新增 |
| ohos.volumeManager | Volume | uuid: string; | 新增 |
| ohos.volumeManager | Volume | id: string; | 新增 |