import { App } from 'vue';
declare class MiStorage {
    prefix: string;
    instance: Storage;
    constructor(type?: string);
    getKey(key: string, prefix?: string): string;
    /**
     * get
     * @param keys
     * @param prefix
     * @returns
     */
    get(keys: string | string[], prefix?: string): any;
    /**
     * set
     * @param key
     * @param value
     * @param prefix
     */
    set(key: string, value: any, prefix?: string): void;
    /**
     * delete
     * @param keys
     * @param prefix
     */
    del(keys: string | string[], prefix?: string): void;
    /**
     * change ( default: localStorage )
     * @param type
     * @returns
     */
    change(type?: string): MiStorage;
}
/**
 * 本地存储 ( `localStorage & sessionStorage` )
 *  - default: `localStorage`
 *
 * e.g.
 * ```
 * this.$storage.get('name')
 * this.$storage.set('name', 'value')
 * this.$storage.change('session').set('name', 'value')
 * ```
 */
export declare const $storage: MiStorage;
declare const _default: {
    install(app: App): App<any>;
};
export default _default;