TypeScript SDK
AsyncStorage
type AsyncStorage = {  getItem: (key: string) => Promise<null | string>;  removeItem: (key: string) => Promise<void>;  setItem: (key: string, value: string) => Promise<void>;};type AsyncStorage = {  getItem: (key: string) => Promise<null | string>;  removeItem: (key: string) => Promise<void>;  setItem: (key: string, value: string) => Promise<void>;};