import { MMKV } from "react-native-mmkv"; declare module "react-native-mmkv" { interface MMKV { get(key: string): T | undefined; setAny(key: string, value: any | undefined): void; } } MMKV.prototype.get = function (key: string): T | undefined { const serializedItem = this.getString(key); return serializedItem ? JSON.parse(serializedItem) : undefined; }; MMKV.prototype.setAny = function (key: string, value: any | undefined): void { if (value === undefined) { this.delete(key); } else { this.set(key, JSON.stringify(value)); } };