/// <reference types="node" />
import { EventEmitter } from 'events';
import { BotInstance } from '../BotInstance';
import { KHEventPacket } from '../types/kaiheila/packet';
export interface MessageSource extends EventEmitter {
    type: string;
    on(event: 'message', listener: (eventRequest: unknown) => void): this;
    connect(): Promise<boolean>;
}
export declare class MessageSource extends EventEmitter implements MessageSource {
    protected botInstance: BotInstance;
    constructor(botInstance: BotInstance);
    protected buffer: KHEventPacket[];
    protected sn: number;
    protected onEventArrive(packet: KHEventPacket): void;
    protected eventProcess(packet: KHEventPacket): void;
}