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Summary: Currently, if an app uses AsyncStorage on the JS side, there is no public interface to access stored data from the native side. In our app, written in Swift, I have written a [helper](https://gist.github.com/ejmartin504/d501abe55c28450a0e52ac39aee7b0e6) that pulls out the data. I accomplished this by reverse-engineering the code in RCTAsyncLocalStorage.m. It would have been far easier had this code been exposed to native. I made this change locally and tested out getting the data from Swift code. This worked like a charm: ```swift let storage = RCTAsyncLocalStorage() let cacheKey = "test" storage.methodQueue?.async { self.storage.multiGet([cacheKey]) { values in print(values) } } ``` [IOS ][ENHANCEMENT ][RCTAsyncLocalStorage.h] - Expose AsyncLocalStorage get/set methods to native code. <!-- **INTERNAL and MINOR tagged notes will not be included in the next version's final release notes.** CATEGORY [----------] TYPE [ CLI ] [-------------] LOCATION [ DOCS ] [ BREAKING ] [-------------] [ GENERAL ] [ BUGFIX ] [ {Component} ] [ INTERNAL ] [ ENHANCEMENT ] [ {Filename} ] [ IOS ] [ FEATURE ] [ {Directory} ] |-----------| [ ANDROID ] [ MINOR ] [ {Framework} ] - | {Message} | [----------] [-------------] [-------------] |-----------| EXAMPLES: [IOS] [BREAKING] [FlatList] - Change a thing that breaks other things [ANDROID] [BUGFIX] [TextInput] - Did a thing to TextInput [CLI] [FEATURE] [local-cli/info/info.js] - CLI easier to do things with [DOCS] [BUGFIX] [GettingStarted.md] - Accidentally a thing/word [GENERAL] [ENHANCEMENT] [Yoga] - Added new yoga thing/position [INTERNAL] [FEATURE] [./scripts] - Added thing to script that nobody will see --> Pull Request resolved: https://github.com/facebook/react-native/pull/18454 Differential Revision: D13860333 Pulled By: cpojer fbshipit-source-id: b33ee5bf1ec65c8291bfcb76b0d6f0df39376a7e