import { KeysRecord } from './types.js';
export declare const saveToLocalStorage: (key: string, value: unknown) => void;
export declare const getFromLocalStorage: <T>(key: string) => T | null;
export declare const isKeyExpired: (timestamp: number) => boolean;
export declare const cleanExpiredKeys: (keys: KeysRecord) => KeysRecord;
//# sourceMappingURL=storage.d.ts.map