/**
 * 注册插件
 * @description 注册过的插件插件会应用于所有实例
 * @param name {String | Object}
 * @param fn
 */
export declare function registerPlugin(name: any, fn: () => void | undefined): void;
/**
 * 撤销插件注册
 * @param name {String | Array<String>}
 */
export declare function deregisterPlugin(name: any): any;
/**
 * 初始化插件
 * @param options {Object}
 * @param extraPlugins {Object | Map}, 扩展插件， `{ key: fn }` 或 Map，会覆盖已注册的同名插件
 * @returns {{array: Object[], map: Object}}
 */
export declare function createPlugins(options?: {}, extraPlugins?: any): {
    array: any[];
    map: any;
};