import { Observable } from "rxjs";
import { Registry } from "./registry";
import { IMediator, INotification, ICommand } from "./types";
export declare class Mediator implements IMediator {
    private registry;
    constructor(registry: Registry);
    /**
     * send command
     * @param command command
     * @returns
     */
    send<T = any>(command: ICommand<T>): Observable<T>;
    publish(message: INotification<any>): Observable<void>;
}