/**
 * Copyright (c) 2018-present, tarant
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
import Actor from '../actor-system/actor';
import ActorSystem from '../actor-system/actor-system';
type TopicSeenAs<T> = T & Topic<T>;
export default class Topic<T> extends Actor {
    /**
     * Creates a topic for the given actor system. The id of the topic will be `topics/NAME_OF_THE_TOPIC`
     *
     * @param system Actor system where the topic will live
     * @param name Name of the topic to be created
     * @param consumerClass Protocol of the topic
     */
    static for<T>(system: ActorSystem, name: string, consumerClass: new (...args: any[]) => T): TopicSeenAs<T>;
    private readonly subscriptions;
    constructor(topicName: string, consumerClass: new (...args: any[]) => T);
    subscribe(t: T): string;
    unsubscribe(id: string): void;
}
export {};