[mmkv] Types for v4

Author: jamesgpearce

src/persisters/persister-react-native-mmkv/index.ts

@@ -1,5 +1,4 @@
-import {MMKV} from 'react-native-mmkv';
-import type {Listener} from 'react-native-mmkv/lib/typescript/src/Types.d.ts';
+import type {MMKV} from 'react-native-mmkv';
 import type {MergeableStore} from '../../@types/mergeable-store/index.d.ts';
 import type {
   PersistedContent,
@@ -10,6 +9,10 @@ import type {
 import type {Store} from '../../@types/store/index.d.ts';
 import {createCustomPersister} from '../common/create.ts';
 
+interface Listener {
+  remove: () => void;
+}
+
 const STORAGE = 'storage';
 
 export const createReactNativeMmkvPersister = (