import type { IStorage, State } from '../..';
export declare class MemoryStorage<T extends State> implements IStorage<T> {
    private _data;
    constructor();
    clone(data: T): T;
    getItem(key: string): T;
    removeItem(key: string): void;
    setItem(key: string, data: T): void;
}
declare class Storage<T extends State> implements IStorage<T> {
    private _storage;
    static supportsSession: boolean;
    constructor();
    get isKeyRequired(): boolean;
    clone(data: any): T;
    getItem(key: string): T;
    removeItem(key: string): void;
    setItem(key: string, data: T): void;
}
export default Storage;