import { AppEventEmitter } from '../utils/app-event-emitter';
import { AppEvents } from './interface/app-events';
/**
 * App搜索事件集
 *
 * @export
 * @class AppEvent
 */
export declare class AppEvent<K extends keyof AppEvents> extends AppEventEmitter<K, AppEvents[K]> {
    /**
     * 唯一实例
     *
     * @private
     * @static
     * @memberof AppEvent
     */
    private static readonly instance;
    /**
     * Creates an instance of AppEvent.
     * @memberof AppEvent
     */
    constructor();
    /**
     * 获取唯一实例
     *
     * @static
     * @return {*}  {AppEvent}
     * @memberof AppEvent
     */
    static getInstance(): AppEvent<"navHistoryItemChange">;
}
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