import type { Redis } from 'ioredis';
import type { BroadcastProvider, TaskEvent } from '@taskcast/core';
import { type RedisOperationOptions } from './connectivity.js';
type SubscriptionMode = 'channels' | 'pattern';
export declare class RedisBroadcastProvider implements BroadcastProvider {
    private pub;
    private sub;
    private options;
    private handlers;
    private channelPrefix;
    private patternSubscribed;
    private patternGeneration;
    private patternSubscription;
    private disposed;
    private readonly dispatch;
    private readonly dispatchPattern;
    private readonly markPatternUnavailable;
    constructor(pub: Redis, sub: Redis, options?: {
        prefix?: string;
        subscriptionMode?: SubscriptionMode;
    } & RedisOperationOptions);
    startPatternSubscription(): Promise<void>;
    markPatternSubscriptionUnavailable(): void;
    isPatternSubscribed(): boolean;
    dispose(): void;
    publish(channel: string, event: TaskEvent): Promise<void>;
    subscribe(channel: string, handler: (event: TaskEvent) => void): () => void;
}
export {};
//# sourceMappingURL=broadcast.d.ts.map