readonly types in AsyncStorage Typescript break this package

[djMax]

Hi! 👋

Firstly, thanks for your work on this project! 🙂

Today I used patch-package to patch [email protected] for the project I'm working on.

Typescript error as referenced in #46

Here is the diff that solved my problem:

diff --git a/node_modules/rn-async-storage-flipper/index.d.ts b/node_modules/rn-async-storage-flipper/index.d.ts
index 704da6a..08d7117 100644
--- a/node_modules/rn-async-storage-flipper/index.d.ts
+++ b/node_modules/rn-async-storage-flipper/index.d.ts
@@ -1,10 +1,10 @@
 interface Storage {
-    getAllKeys(callback?: (error?: Error, keys?: string[]) => void): Promise<string[]>;
+    getAllKeys(callback?: (error?: Error | null, keys?: readonly string[] | null) => void): Promise<readonly string[]>;
 
     multiGet(
         keys: string[],
-        callback?: (errors?: Error[], result?: [string, string | null][]) => void
-    ): Promise<[string, string | null][]>;
+        callback?: (errors: readonly (Error | null)[] | null | undefined, result?: readonly [string, string | null][]) => void
+    ): Promise<void | readonly [string, string | null][]>;
 }
 
 export default function RNAsyncStorageFlipper(_storage: Storage): void;

This issue body was partially generated by patch-package.

[ghost]

I'm facing the same thing while using async storage 1.17.5