import { Event } from './Event';
export declare class Command<A = any> {
    category: string;
    streamId: string;
    order: string;
    data: A;
    meta: any;
    constructor(category: string, streamId: string, order: string, data?: any, meta?: any);
    toEvent<X>(type: {
        new (...a: Array<any>): X;
    }, data?: Partial<X>, doMerge?: boolean): Event<any, any>;
    get stream(): string;
}