import Redis, { RedisOptions, Cluster } from "ioredis";
export declare const redisQueueRetryOptions: Partial<RedisOptions>;
export declare const createNewRedisInstance: (additionalOptions?: Partial<RedisOptions>) => Redis | Cluster | null;
/**
 * Get the queue prefix for BullMQ cluster compatibility
 * In cluster mode, uses hash tags to ensure queue keys are on the same node
 * In single-node mode, returns undefined (no prefix needed)
 */
export declare const getQueuePrefix: (queueName: string) => string | undefined;
/**
 * Execute multiple Redis DEL operations safely in cluster mode
 */
export declare const safeMultiDel: (redis: Redis | Cluster | null, keys: string[]) => Promise<void>;
declare const createRedisClient: () => Cluster | Redis | null;
declare global {
    var redis: undefined | ReturnType<typeof createRedisClient>;
}
export declare const redis: Cluster | Redis | null;
export {};
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