import MessageEventBus from "./MessageEventBus";
import IMessageInterface from "../interface/IMessageInterface";
export declare class WindowEventBus extends MessageEventBus implements IMessageInterface {
    script: string;
    constructor(script?: string);
    listener(): void;
    /**
     * 消息处理
     * @param {*} request
     */
    handler(request: any): Promise<this | undefined>;
    $emitContent(type: string, ...args: any): Promise<any>;
    $emitBackground(type: string, ...args: any): Promise<any>;
    $emitPopup(type: string, ...args: any): Promise<any>;
    $emitWindow(type: string, ...args: any): Promise<any>;
    $emitAllTabs(type: string, ...args: any): Promise<any>;
}
declare const $bus: WindowEventBus;
export default $bus;