import { EventEmitter } from 'events';
import { Api } from 'telegram';
export interface TelegramMessageListenerArgs {
    apiId: number;
    apiHash: string;
    appSession: string;
}
export interface TelegramIncomingMessage {
    chatId: string;
    senderId: string;
    message: Api.Message;
}
export type TelegramMessageHandler = (message: TelegramIncomingMessage) => void | Promise<void>;
export declare class TelegramMessageListener extends EventEmitter {
    private client;
    private isConnected;
    private readlineHelper;
    private messageHandlerList;
    constructor(args: TelegramMessageListenerArgs);
    start(): Promise<void>;
    private handleMessage;
    onMessage(handler: TelegramMessageHandler): void;
    removeMessageHandler(handler: TelegramMessageHandler): void;
    stop(): void;
    getIsConnected(): boolean;
}
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