import { AbstractExchange } from '../../../libs/messaging/AbstractExchange';
import { ConfigRequest } from './ConfigRequest';
import { ConfigResponse } from './ConfigResponse';
import { IMessageOptions } from '../../../libs/messaging/IMessageOptions';
export declare class ConfigExchange extends AbstractExchange<ConfigRequest, ConfigResponse> {
    constructor();
    key(key: string, opts?: IMessageOptions): Promise<any[]>;
    handleRequest(request: ConfigRequest, res: ConfigResponse): void;
    handleResponse(responses: ConfigResponse): any;
}