import type { EventHubStore } from '@pikku/core/channel';
import { Redis, type RedisOptions } from 'ioredis';
export declare class RedisEventHubStore implements EventHubStore {
    private redis;
    private keyPrefix;
    private ownsConnection;
    constructor(connectionOrConfig: Redis | RedisOptions | string, keyPrefix?: string);
    init(): Promise<void>;
    private topicKey;
    private channelSubsKey;
    getChannelIdsForTopic(topic: string): Promise<string[]>;
    subscribe(topic: string, channelId: string): Promise<boolean>;
    unsubscribe(topic: string, channelId: string): Promise<boolean>;
    close(): Promise<void>;
}