/// <reference types="node" />
import { QueryBus } from './QueryBus';
import { Typer } from 'cqes-type';
import * as events from 'events';
export interface Buses {
    [name: string]: QueryBus;
}
export interface Types {
    [name: string]: Typer;
}
export interface EventEmitter extends events.EventEmitter {
    expect<T>(type: {
        new (): T;
    }): Promise<T>;
}
export interface props {
    queryBuses?: Buses;
}
export declare function extend(holder: any, props: props): void;