# Core File Kit

|操作|旧版本|新版本|d.ts文件|
|:-------|:--------------------------------------------------------------------------------------------------------------------|:----------------------------------------------------------------------------------------------------|:-------------------------|
|syscap变更|类名：picker； API声明： export enum DocumentPickerMode 差异内容：SystemCapability.FileManagement.UserFileService.FolderSelection|类名：picker； API声明： export enum DocumentPickerMode 差异内容：SystemCapability.FileManagement.UserFileService|api/@ohos.file.picker.d.ts|
|新增API|NA|类名：DocumentViewPicker； API声明：getSelectedIndex(): number; 差异内容：getSelectedIndex(): number;|api/@ohos.file.picker.d.ts|