import { AbstractEvent } from './AbstractEvent';
import { AbstractExchange } from './AbstractExchange';
import { IMessageOptions } from './IMessageOptions';
import { AbstractMessage } from './AbstractMessage';
export declare class Message<REQ extends AbstractEvent, RES extends AbstractEvent> extends AbstractMessage<REQ, RES> {
    private factory;
    constructor(factory: AbstractExchange<REQ, RES>, options?: IMessageOptions);
    beforeSend(req: REQ): Promise<void>;
    doPostProcess(responses: RES[], err?: Error): any;
}