export declare class NatsClientFacade {
    static readonly DEFAULT_SCHEME = "wss";
    static readonly DEFAULT_HOST = "websocket.provide.services";
    static readonly DEFAULT_PATH = "";
    private readonly bearerToken?;
    private readonly natsUrl;
    private service?;
    constructor(bearerToken?: string, scheme?: string, host?: string, path?: string);
    connect(): Promise<any>;
    close(): void;
    publish({ subject, payload, reply }: {
        subject: any;
        payload: any;
        reply: any;
    }): Promise<any>;
    subscribe({ subject, onMessage }: {
        subject: any;
        onMessage: any;
    }): Promise<any>;
    unsubscribe(subject: string): void;
    request({ subject, timeout, payload }: {
        subject: any;
        timeout: any;
        payload: any;
    }): Promise<any>;
}
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