import { EventObject, Subscribable } from './types';
export interface Actor<TContext = any, TEvent extends EventObject = EventObject> extends Subscribable<TContext> {
    id: string;
    send: (event: TEvent) => any;
    stop?: () => any | undefined;
    toJSON: () => {
        id: string;
    };
}
export declare function isActor(item: any): item is Actor;