import { IClient, IMessage } from '@villedemontreal/workit-types';
import 'reflect-metadata';
export declare class Client<TClient extends IClient> {
    protected _onMessageReceived: (message: IMessage, service: unknown) => Promise<void>;
    protected readonly _client: TClient;
    constructor(client: TClient);
    subscribe(handler: (message: IMessage, service: unknown) => Promise<void>): Promise<void>;
    unsubscribe(): Promise<void>;
    private _execute;
    private _startSubscriber;
}