/// <reference types="jest" />
export declare class MockStorage implements Storage {
    items: Map<string, string>;
    clear: jest.Mock<void, []>;
    getItem: jest.Mock<string | null, [key: string]>;
    key: jest.Mock<string | null, [index: number]>;
    keys: jest.Mock<any, unknown[]>;
    removeItem: jest.Mock<void, [key: string]>;
    setItem: jest.Mock<void, [key: string, value: string]>;
    get length(): any;
    constructor();
}