import { Type } from '@angular/core';
import { IMessage } from './message';
/**
 * Configures an pubsub created by `createPubsub`.
 */
export interface PubsubConfig {
    /**
     * List of messages to subscribe.
     */
    messages: Type<IMessage>[];
    /**
     * Determines if the pubsub will tracing messages or not.
     */
    useTracing?: boolean;
}
export declare const DEFAULT_PUBSUB_CONFIG: Readonly<Required<PubsubConfig>>;