hunk.code_window: ### `MediaLibrary.saveToLibraryAsync(localUri)`
   Saves the file at given `localUri` to the user's media library. On **iOS 11+**, it's possible to use this method without asking for `CAMERA_ROLL` permission, however then yours `Info.plist` should have `NSPhotoLibraryAddUsageDescription` key.
   #### Arguments
   - **localUri (_string_)** -- A URI to the image or video file. On Android it must be a local path, so it must start with `file:///`.
  
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hunk.after_edit: Saves the file at given `localUri` to the user's media library. Unlike [`createAssetAsync()`](#medialibrarycreateassetasynclocaluri), this method doesn't return created asset.
   On **iOS 11+**, it's possible to use this method without asking for `CAMERA_ROLL` permission, however then yours `Info.plist` should have `NSPhotoLibraryAddUsageDescription` key. 
  
hunk.file_path: docs/pages/versions/v36.0.0/sdk/media-library.md
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file: 
  #import <ABI38_0_0EXFileSystem/ABI38_0_0EXFileSystem.h>
  
  @interface ABI38_0_0EXFileSystemLocalFileHandler : NSObject <ABI38_0_0EXFileSystemHandler>
  
  @end
  