/**
 * Pub/Sub module for Command Frame
 * Provides topic subscription functionality for iframe apps
 */
export * from "./types";
export { TopicSubscriber } from "./subscriber";
import { TopicSubscriber } from "./subscriber";
/**
 * Get or create the singleton TopicSubscriber instance
 */
export declare function getTopicSubscriber(options?: {
    origin?: string;
    debug?: boolean;
}): TopicSubscriber;
/**
 * Topics API for iframe apps
 */
declare const topicsApi: {
    /**
     * Subscribe to a topic
     */
    subscribe: <T = any>(topic: string, callback: (event: import("./types").TopicEvent<T>) => void) => string;
    /**
     * Unsubscribe from a topic
     */
    unsubscribe: (topic: string, subscriptionId: string) => boolean;
    /**
     * Unsubscribe all callbacks for a topic
     */
    unsubscribeAll: (topic: string) => number;
    /**
     * Get available topics
     */
    getTopics: () => Promise<import("./types").TopicDefinition[]>;
};
export { topicsApi as topics };